reboot the gnunet-guile project

23 files changed, 4438 insertions, 0 deletions

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..eb37ab0
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,15 @@
+*~
+*.go
+Makefile
+Makefile.in
+aclocal.m4
+autom4te.cache/
+build-aux/
+config.log
+config.status
+configure
+gnunet/config.scm
+pre-inst-env
+*.info
+doc/stamp-vti
+doc/version.texi
\ No newline at end of file
diff --git a/AUTHORS b/AUTHORS
new file mode 100644
index 0000000..e910d17
--- /dev/null
+++ b/AUTHORS
@@ -0,0 +1,4 @@
+Rémi Delrue <asgeir@free.fr>
+Ludovic Courtès <ludo@gnu.org>
+ng0 <ng0@infotropique.org>
+Amirouche Boubekki <amirouche@hypermove.net>
\ No newline at end of file
diff --git a/COPYING b/COPYING
new file mode 100644
index 0000000..94a9ed0
--- /dev/null
+++ b/COPYING
@@ -0,0 +1,674 @@
+                    GNU GENERAL PUBLIC LICENSE
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+  If the Program specifies that a proxy can decide which future
+versions of the GNU General Public License can be used, that proxy's
+public statement of acceptance of a version permanently authorizes you
+to choose that version for the Program.
+
+  Later license versions may give you additional or different
+permissions.  However, no additional obligations are imposed on any
+author or copyright holder as a result of your choosing to follow a
+later version.
+
+  15. Disclaimer of Warranty.
+
+  THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
+APPLICABLE LAW.  EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
+HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
+OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
+THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+PURPOSE.  THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
+IS WITH YOU.  SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
+ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
+
+  16. Limitation of Liability.
+
+  IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
+WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
+THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
+GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
+USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
+DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
+PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
+EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
+SUCH DAMAGES.
+
+  17. Interpretation of Sections 15 and 16.
+
+  If the disclaimer of warranty and limitation of liability provided
+above cannot be given local legal effect according to their terms,
+reviewing courts shall apply local law that most closely approximates
+an absolute waiver of all civil liability in connection with the
+Program, unless a warranty or assumption of liability accompanies a
+copy of the Program in return for a fee.
+
+                     END OF TERMS AND CONDITIONS
+
+            How to Apply These Terms to Your New Programs
+
+  If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
+  To do so, attach the following notices to the program.  It is safest
+to attach them to the start of each source file to most effectively
+state the exclusion of warranty; and each file should have at least
+the "copyright" line and a pointer to where the full notice is found.
+
+    <one line to give the program's name and a brief idea of what it does.>
+    Copyright (C) <year>  <name of author>
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+Also add information on how to contact you by electronic and paper mail.
+
+  If the program does terminal interaction, make it output a short
+notice like this when it starts in an interactive mode:
+
+    <program>  Copyright (C) <year>  <name of author>
+    This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
+    This is free software, and you are welcome to redistribute it
+    under certain conditions; type `show c' for details.
+
+The hypothetical commands `show w' and `show c' should show the appropriate
+parts of the General Public License.  Of course, your program's commands
+might be different; for a GUI interface, you would use an "about box".
+
+  You should also get your employer (if you work as a programmer) or school,
+if any, to sign a "copyright disclaimer" for the program, if necessary.
+For more information on this, and how to apply and follow the GNU GPL, see
+<http://www.gnu.org/licenses/>.
+
+  The GNU General Public License does not permit incorporating your program
+into proprietary programs.  If your program is a subroutine library, you
+may consider it more useful to permit linking proprietary applications with
+the library.  If this is what you want to do, use the GNU Lesser General
+Public License instead of this License.  But first, please read
+<http://www.gnu.org/philosophy/why-not-lgpl.html>.
diff --git a/Makefile.am b/Makefile.am
new file mode 100644
index 0000000..ef40ab6
--- /dev/null
+++ b/Makefile.am
@@ -0,0 +1,67 @@
+# GNUnet-Guile --- Guile bindings for GNUnet.
+# Copyright © 2015 Ludovic Courtès <ludo@gnu.org>
+# Copyright © 2017 ng0 <ng0@infotropique.org>
+# Copyright © 2018 Amirouche Boubkki <amirouche@hypermove.net>
+#
+# This file is part of GNUnet-Guile.
+#
+# GNUnet-Guile is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or (at
+# your option) any later version.
+#
+# GNUnet-Guile is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with GNUnet-Guile.  If not, see <http://www.gnu.org/licenses/>.
+
+SUBDIRS = doc
+docdir = $(datadir)/doc/gnunet-guile/
+
+MODULES =                                       \
+  gnunet.scm
+
+GOBJECTS = $(MODULES:%.scm=%.go) gnunet/config.go
+
+nobase_dist_guilemodule_DATA = $(MODULES)
+nobase_nodist_guilemodule_DATA = $(GOBJECTS)
+
+AM_V_GUILEC = $(AM_V_GUILEC_$(V))
+AM_V_GUILEC_ = $(AM_V_GUILEC_$(AM_DEFAULT_VERBOSITY))
+AM_V_GUILEC_0 = @echo "  GUILEC" $@;
+
+# Unset 'GUILE_LOAD_COMPILED_PATH' altogether while compiling.  Otherwise, if
+# $GUILE_LOAD_COMPILED_PATH contains $(moduledir), we may find .go files in
+# there that are newer than the local .scm files (for instance because the
+# user ran 'make install' recently).  When that happens, we end up loading
+# those previously-installed .go files, which may be stale, thereby breaking
+# the whole thing.
+#
+# XXX: Use the C locale for when Guile lacks
+# <http://git.sv.gnu.org/cgit/guile.git/commit/?h=stable-2.0&id=e2c6bf3866d1186c60bacfbd4fe5037087ee5e3f>.
+.scm.go:
+        $(AM_V_GUILEC)$(MKDIR_P) `dirname "$@"` ;                       \
+        unset GUILE_LOAD_COMPILED_PATH ;                                \
+        LC_ALL=C                                                        \
+        $(top_builddir)/pre-inst-env                                    \
+        $(GUILD) compile -L "$(top_builddir)" -L "$(top_srcdir)"        \
+          -Wformat -Wunbound-variable -Warity-mismatch                  \
+          --target="$(host)"                                            \
+          -o "$@" "$<"
+
+SUFFIXES = .go
+
+# Make sure source files are installed first, so that the mtime of
+# installed compiled files is greater than that of installed source
+# files.  See
+# <http://lists.gnu.org/archive/html/guile-devel/2010-07/msg00125.html>
+# for details.
+guix_install_go_files = install-nobase_nodist_guilemoduleDATA
+$(guix_install_go_files): install-nobase_dist_guilemoduleDATA
+
+SCM_LOG_COMPILER = $(top_builddir)/pre-inst-env $(GUILE)
+
+CLEANFILES = $(GOBJECTS)
diff --git a/README b/README
new file mode 100644
index 0000000..c1110b7
--- /dev/null
+++ b/README
@@ -0,0 +1,26 @@
+Guile bindings for GNUnet
+—————————————————————————
+
+Work in progress!
+
+To try the stub gnunet-search clone, you must have a working GNUnet
+configuration. Edit the file `examples/search.scm` and modify the line
+
+    (define config-file "~/.gnunet/gnunet.conf")
+
+to match your current GNUnet configuration file.
+
+Then, go inside the bindings directory and run `search.scm` as a
+script. For instance, to run a search on the keywords "foo" and "bar":
+
+    $ cd guix/gnunet/
+    $ examples/search.scm "foo" "bar"
+
+This will start a 5 seconds search on the given keywords. Here’s the
+output when exactly one find matches the keyword “foo”:
+
+  gnunet-download -o "foo.txt" gnunet://fs/chk/M976V69FDSQDH74AORDDLB…
+
+You can also check your bindings with the command:
+
+    $ ./run-tests.scm
diff --git a/bootstrap b/bootstrap
new file mode 100755
index 0000000..5a29d5f
--- /dev/null
+++ b/bootstrap
@@ -0,0 +1,2 @@
+#!/bin/sh
+autoreconf -vif
diff --git a/configure.ac b/configure.ac
new file mode 100644
index 0000000..d8aab24
--- /dev/null
+++ b/configure.ac
@@ -0,0 +1,56 @@
+#                                               -*- Autoconf -*-
+# Process this file with autoconf to produce a configure script.
+
+AC_PREREQ(2.69)
+AC_INIT([GNUnet-Guile], [0.0.1], [bug-gnunet@gnu.org], [gnunet-guile],
+  [https://gnunet.org])
+AC_CONFIG_AUX_DIR([build-aux])
+
+AM_INIT_AUTOMAKE([1.12 foreign silent-rules subdir-objects \
+ color-tests parallel-tests -Woverride -Wno-portability])
+
+# Enable silent rules by default.
+AM_SILENT_RULES([yes])
+
+AC_CONFIG_SRCDIR([gnunet])
+AC_CONFIG_MACRO_DIR([m4])
+
+AC_CANONICAL_HOST
+
+dnl We require pkg.m4 (from pkg-config) and guile.m4 (from Guile.)
+dnl Make sure they are available.
+m4_pattern_forbid([PKG_CHECK_MODULES])
+m4_pattern_forbid([GUILE_MODULE_AVAILABLE])
+
+PKG_CHECK_MODULES([GUILE], [guile-2.2 >= 2.2.3])
+AC_PATH_PROG([GUILE], [guile])
+AC_PATH_PROG([GUILD], [guild])
+if test "x$GUILD" = "x"; then
+   AC_MSG_ERROR(['guild' binary not found; please check your Guile 2.x installation.])
+fi
+
+guilemoduledir="${datarootdir}/guile/site/2.0"
+AC_SUBST([guilemoduledir])
+
+AC_CACHE_SAVE
+
+PKG_CHECK_MODULES([GNUNETUTIL], [gnunetutil])
+PKG_CHECK_MODULES([GNUNETFS], [gnunetfs])
+PKG_CHECK_MODULES([GNUNETIDENTITY], [gnunetidentity])
+
+GNUNETUTIL_LIBDIR="`$PKG_CONFIG --variable=libdir gnunetutil`"
+GNUNETFS_LIBDIR="`$PKG_CONFIG --variable=libdir gnunetfs`"
+GNUNETIDENTITY_LIBDIR="`$PKG_CONFIG --variable=libdir gnunetidentity`"
+
+AC_SUBST([GNUNETUTIL_LIBDIR])
+AC_SUBST([GNUNETFS_LIBDIR])
+AC_SUBST([GNUNETIDENTITY_LIBDIR])
+
+AC_CONFIG_FILES([
+Makefile
+gnunet/config.scm
+doc/Makefile
+])
+AC_CONFIG_FILES([pre-inst-env], [chmod +x pre-inst-env])
+
+AC_OUTPUT
diff --git a/doc/Makefile.am b/doc/Makefile.am
new file mode 100644
index 0000000..394b773
--- /dev/null
+++ b/doc/Makefile.am
@@ -0,0 +1,38 @@
+# This Makefile.am is in the public domain
+docdir = $(datadir)/doc/gnunet-guile/
+
+infoimagedir = $(infodir)/images
+
+AM_MAKEINFOHTMLFLAGS = --no-split --css-ref=docstyle.css
+
+info_TEXINFOS =                                                 \
+        gnunet-guile.texi
+
+gnunet_TEXINFOS =                                               \
+        fdl-1.3.texi                                            \
+        gpl-3.0.texi
+
+EXTRA_DIST =                                                    \
+        $(gnunet_TEXINFOS)                                      \
+        htmlxref.cnf                                            \
+        run-gendocs.sh                                          \
+        docstyle.css
+
+DISTCLEANFILES =                                                \
+        fdl-1.3.cps                                             \
+        gpl-3.0.cps
+
+doc-gendoc-install:
+        @mkdir -p $(DESTDIR)/$(docdir)
+        @cp -r manual $(DESTDIR)/$(docdir)
+
+# TODO: Add more to clean.
+clean:
+        @rm gnunet-guile.pdf
+        @rm gnunet-guile.html
+        @rm gnunet-guile.info
+        @rm gnunet-guile.info-1
+        @rm gnunet-guile.info-2
+        @rm gnunet-guile.info-3
+        @rm -r gnunet-guile.t2p
+        @rm -r manual
diff --git a/doc/docstyle.css b/doc/docstyle.css
new file mode 100644
index 0000000..8719248
--- /dev/null
+++ b/doc/docstyle.css
@@ -0,0 +1,76 @@
+html, body {
+    font-size: 1em;
+    text-align: left;
+    text-decoration: none;
+}
+html { background-color: #e7e7e7; }
+
+body {
+    max-width: 74.92em;
+    margin: 0 auto;
+    padding: .5em 1em 1em 1em;
+    background-color: white;
+    border: .1em solid #c0c0c0;
+}
+
+h1, h2, h3, h4 { color: #333; }
+h5, h6, dt { color: #222; }
+
+
+a h3 {
+    color: #005090;
+}
+
+a[href] { color: #005090; }
+a[href]:visited { color: #100070; }
+a[href]:active, a[href]:hover {
+    color: #100070;
+    text-decoration: none;
+}
+
+.linkrow {
+    margin: 3em 0;
+}
+
+.linkrow {
+    text-align: center;
+}
+
+div.example { padding: .8em 1.2em .4em; }
+pre.example { padding: .8em 1.2em; }
+div.example, pre.example {
+    margin: 1em 0 1em 3% ;
+    -webkit-border-radius: .3em;
+    -moz-border-radius: .3em;
+    border-radius: .3em;
+    border: 1px solid #d4cbb6;
+    background-color: #f2efe4;
+}
+div.example > pre.example {
+    padding: 0 0 .4em;
+    margin: 0;
+    border: none;
+}
+
+
+/* This makes the very long tables of contents in Gnulib and other
+   manuals easier to read. */
+.contents ul, .shortcontents ul { font-weight: bold; }
+.contents ul ul, .shortcontents ul ul { font-weight: normal; }
+.contents ul { list-style: none; }
+
+/* For colored navigation bars (Emacs manual): make the bar extend
+   across the whole width of the page and give it a decent height. */
+.header, .node { margin: 0 -1em; padding: 0 1em; }
+.header p, .node p { line-height: 2em; }
+
+/* For navigation links */
+.node a, .header a { display: inline-block; line-height: 2em; }
+.node a:hover, .header a:hover { background: #f2efe4; }
+
+table.cartouche {
+    border-collapse: collapse;
+    border-color: darkred;
+    border-style: solid;
+    border-width: 3px;
+}
diff --git a/doc/fdl-1.3.texi b/doc/fdl-1.3.texi
new file mode 100644
index 0000000..cb71f05
--- /dev/null
+++ b/doc/fdl-1.3.texi
@@ -0,0 +1,505 @@
+@c The GNU Free Documentation License.
+@center Version 1.3, 3 November 2008
+
+@c This file is intended to be included within another document,
+@c hence no sectioning command or @node.
+
+@display
+Copyright @copyright{} 2000, 2001, 2002, 2007, 2008 Free Software Foundation, Inc.
+@uref{http://fsf.org/}
+
+Everyone is permitted to copy and distribute verbatim copies
+of this license document, but changing it is not allowed.
+@end display
+
+@enumerate 0
+@item
+PREAMBLE
+
+The purpose of this License is to make a manual, textbook, or other
+functional and useful document @dfn{free} in the sense of freedom: to
+assure everyone the effective freedom to copy and redistribute it,
+with or without modifying it, either commercially or noncommercially.
+Secondarily, this License preserves for the author and publisher a way
+to get credit for their work, while not being considered responsible
+for modifications made by others.
+
+This License is a kind of ``copyleft'', which means that derivative
+works of the document must themselves be free in the same sense.  It
+complements the GNU General Public License, which is a copyleft
+license designed for free software.
+
+We have designed this License in order to use it for manuals for free
+software, because free software needs free documentation: a free
+program should come with manuals providing the same freedoms that the
+software does.  But this License is not limited to software manuals;
+it can be used for any textual work, regardless of subject matter or
+whether it is published as a printed book.  We recommend this License
+principally for works whose purpose is instruction or reference.
+
+@item
+APPLICABILITY AND DEFINITIONS
+
+This License applies to any manual or other work, in any medium, that
+contains a notice placed by the copyright holder saying it can be
+distributed under the terms of this License.  Such a notice grants a
+world-wide, royalty-free license, unlimited in duration, to use that
+work under the conditions stated herein.  The ``Document'', below,
+refers to any such manual or work.  Any member of the public is a
+licensee, and is addressed as ``you''.  You accept the license if you
+copy, modify or distribute the work in a way requiring permission
+under copyright law.
+
+A ``Modified Version'' of the Document means any work containing the
+Document or a portion of it, either copied verbatim, or with
+modifications and/or translated into another language.
+
+A ``Secondary Section'' is a named appendix or a front-matter section
+of the Document that deals exclusively with the relationship of the
+publishers or authors of the Document to the Document's overall
+subject (or to related matters) and contains nothing that could fall
+directly within that overall subject.  (Thus, if the Document is in
+part a textbook of mathematics, a Secondary Section may not explain
+any mathematics.)  The relationship could be a matter of historical
+connection with the subject or with related matters, or of legal,
+commercial, philosophical, ethical or political position regarding
+them.
+
+The ``Invariant Sections'' are certain Secondary Sections whose titles
+are designated, as being those of Invariant Sections, in the notice
+that says that the Document is released under this License.  If a
+section does not fit the above definition of Secondary then it is not
+allowed to be designated as Invariant.  The Document may contain zero
+Invariant Sections.  If the Document does not identify any Invariant
+Sections then there are none.
+
+The ``Cover Texts'' are certain short passages of text that are listed,
+as Front-Cover Texts or Back-Cover Texts, in the notice that says that
+the Document is released under this License.  A Front-Cover Text may
+be at most 5 words, and a Back-Cover Text may be at most 25 words.
+
+A ``Transparent'' copy of the Document means a machine-readable copy,
+represented in a format whose specification is available to the
+general public, that is suitable for revising the document
+straightforwardly with generic text editors or (for images composed of
+pixels) generic paint programs or (for drawings) some widely available
+drawing editor, and that is suitable for input to text formatters or
+for automatic translation to a variety of formats suitable for input
+to text formatters.  A copy made in an otherwise Transparent file
+format whose markup, or absence of markup, has been arranged to thwart
+or discourage subsequent modification by readers is not Transparent.
+An image format is not Transparent if used for any substantial amount
+of text.  A copy that is not ``Transparent'' is called ``Opaque''.
+
+Examples of suitable formats for Transparent copies include plain
+ASCII without markup, Texinfo input format, La@TeX{} input
+format, SGML or XML using a publicly available
+DTD, and standard-conforming simple HTML,
+PostScript or PDF designed for human modification.  Examples
+of transparent image formats include PNG, XCF and
+JPG.  Opaque formats include proprietary formats that can be
+read and edited only by proprietary word processors, SGML or
+XML for which the DTD and/or processing tools are
+not generally available, and the machine-generated HTML,
+PostScript or PDF produced by some word processors for
+output purposes only.
+
+The ``Title Page'' means, for a printed book, the title page itself,
+plus such following pages as are needed to hold, legibly, the material
+this License requires to appear in the title page.  For works in
+formats which do not have any title page as such, ``Title Page'' means
+the text near the most prominent appearance of the work's title,
+preceding the beginning of the body of the text.
+
+The ``publisher'' means any person or entity that distributes copies
+of the Document to the public.
+
+A section ``Entitled XYZ'' means a named subunit of the Document whose
+title either is precisely XYZ or contains XYZ in parentheses following
+text that translates XYZ in another language.  (Here XYZ stands for a
+specific section name mentioned below, such as ``Acknowledgements'',
+``Dedications'', ``Endorsements'', or ``History''.)  To ``Preserve the Title''
+of such a section when you modify the Document means that it remains a
+section ``Entitled XYZ'' according to this definition.
+
+The Document may include Warranty Disclaimers next to the notice which
+states that this License applies to the Document.  These Warranty
+Disclaimers are considered to be included by reference in this
+License, but only as regards disclaiming warranties: any other
+implication that these Warranty Disclaimers may have is void and has
+no effect on the meaning of this License.
+
+@item
+VERBATIM COPYING
+
+You may copy and distribute the Document in any medium, either
+commercially or noncommercially, provided that this License, the
+copyright notices, and the license notice saying this License applies
+to the Document are reproduced in all copies, and that you add no other
+conditions whatsoever to those of this License.  You may not use
+technical measures to obstruct or control the reading or further
+copying of the copies you make or distribute.  However, you may accept
+compensation in exchange for copies.  If you distribute a large enough
+number of copies you must also follow the conditions in section 3.
+
+You may also lend copies, under the same conditions stated above, and
+you may publicly display copies.
+
+@item
+COPYING IN QUANTITY
+
+If you publish printed copies (or copies in media that commonly have
+printed covers) of the Document, numbering more than 100, and the
+Document's license notice requires Cover Texts, you must enclose the
+copies in covers that carry, clearly and legibly, all these Cover
+Texts: Front-Cover Texts on the front cover, and Back-Cover Texts on
+the back cover.  Both covers must also clearly and legibly identify
+you as the publisher of these copies.  The front cover must present
+the full title with all words of the title equally prominent and
+visible.  You may add other material on the covers in addition.
+Copying with changes limited to the covers, as long as they preserve
+the title of the Document and satisfy these conditions, can be treated
+as verbatim copying in other respects.
+
+If the required texts for either cover are too voluminous to fit
+legibly, you should put the first ones listed (as many as fit
+reasonably) on the actual cover, and continue the rest onto adjacent
+pages.
+
+If you publish or distribute Opaque copies of the Document numbering
+more than 100, you must either include a machine-readable Transparent
+copy along with each Opaque copy, or state in or with each Opaque copy
+a computer-network location from which the general network-using
+public has access to download using public-standard network protocols
+a complete Transparent copy of the Document, free of added material.
+If you use the latter option, you must take reasonably prudent steps,
+when you begin distribution of Opaque copies in quantity, to ensure
+that this Transparent copy will remain thus accessible at the stated
+location until at least one year after the last time you distribute an
+Opaque copy (directly or through your agents or retailers) of that
+edition to the public.
+
+It is requested, but not required, that you contact the authors of the
+Document well before redistributing any large number of copies, to give
+them a chance to provide you with an updated version of the Document.
+
+@item
+MODIFICATIONS
+
+You may copy and distribute a Modified Version of the Document under
+the conditions of sections 2 and 3 above, provided that you release
+the Modified Version under precisely this License, with the Modified
+Version filling the role of the Document, thus licensing distribution
+and modification of the Modified Version to whoever possesses a copy
+of it.  In addition, you must do these things in the Modified Version:
+
+@enumerate A
+@item
+Use in the Title Page (and on the covers, if any) a title distinct
+from that of the Document, and from those of previous versions
+(which should, if there were any, be listed in the History section
+of the Document).  You may use the same title as a previous version
+if the original publisher of that version gives permission.
+
+@item
+List on the Title Page, as authors, one or more persons or entities
+responsible for authorship of the modifications in the Modified
+Version, together with at least five of the principal authors of the
+Document (all of its principal authors, if it has fewer than five),
+unless they release you from this requirement.
+
+@item
+State on the Title page the name of the publisher of the
+Modified Version, as the publisher.
+
+@item
+Preserve all the copyright notices of the Document.
+
+@item
+Add an appropriate copyright notice for your modifications
+adjacent to the other copyright notices.
+
+@item
+Include, immediately after the copyright notices, a license notice
+giving the public permission to use the Modified Version under the
+terms of this License, in the form shown in the Addendum below.
+
+@item
+Preserve in that license notice the full lists of Invariant Sections
+and required Cover Texts given in the Document's license notice.
+
+@item
+Include an unaltered copy of this License.
+
+@item
+Preserve the section Entitled ``History'', Preserve its Title, and add
+to it an item stating at least the title, year, new authors, and
+publisher of the Modified Version as given on the Title Page.  If
+there is no section Entitled ``History'' in the Document, create one
+stating the title, year, authors, and publisher of the Document as
+given on its Title Page, then add an item describing the Modified
+Version as stated in the previous sentence.
+
+@item
+Preserve the network location, if any, given in the Document for
+public access to a Transparent copy of the Document, and likewise
+the network locations given in the Document for previous versions
+it was based on.  These may be placed in the ``History'' section.
+You may omit a network location for a work that was published at
+least four years before the Document itself, or if the original
+publisher of the version it refers to gives permission.
+
+@item
+For any section Entitled ``Acknowledgements'' or ``Dedications'', Preserve
+the Title of the section, and preserve in the section all the
+substance and tone of each of the contributor acknowledgements and/or
+dedications given therein.
+
+@item
+Preserve all the Invariant Sections of the Document,
+unaltered in their text and in their titles.  Section numbers
+or the equivalent are not considered part of the section titles.
+
+@item
+Delete any section Entitled ``Endorsements''.  Such a section
+may not be included in the Modified Version.
+
+@item
+Do not retitle any existing section to be Entitled ``Endorsements'' or
+to conflict in title with any Invariant Section.
+
+@item
+Preserve any Warranty Disclaimers.
+@end enumerate
+
+If the Modified Version includes new front-matter sections or
+appendices that qualify as Secondary Sections and contain no material
+copied from the Document, you may at your option designate some or all
+of these sections as invariant.  To do this, add their titles to the
+list of Invariant Sections in the Modified Version's license notice.
+These titles must be distinct from any other section titles.
+
+You may add a section Entitled ``Endorsements'', provided it contains
+nothing but endorsements of your Modified Version by various
+parties---for example, statements of peer review or that the text has
+been approved by an organization as the authoritative definition of a
+standard.
+
+You may add a passage of up to five words as a Front-Cover Text, and a
+passage of up to 25 words as a Back-Cover Text, to the end of the list
+of Cover Texts in the Modified Version.  Only one passage of
+Front-Cover Text and one of Back-Cover Text may be added by (or
+through arrangements made by) any one entity.  If the Document already
+includes a cover text for the same cover, previously added by you or
+by arrangement made by the same entity you are acting on behalf of,
+you may not add another; but you may replace the old one, on explicit
+permission from the previous publisher that added the old one.
+
+The author(s) and publisher(s) of the Document do not by this License
+give permission to use their names for publicity for or to assert or
+imply endorsement of any Modified Version.
+
+@item
+COMBINING DOCUMENTS
+
+You may combine the Document with other documents released under this
+License, under the terms defined in section 4 above for modified
+versions, provided that you include in the combination all of the
+Invariant Sections of all of the original documents, unmodified, and
+list them all as Invariant Sections of your combined work in its
+license notice, and that you preserve all their Warranty Disclaimers.
+
+The combined work need only contain one copy of this License, and
+multiple identical Invariant Sections may be replaced with a single
+copy.  If there are multiple Invariant Sections with the same name but
+different contents, make the title of each such section unique by
+adding at the end of it, in parentheses, the name of the original
+author or publisher of that section if known, or else a unique number.
+Make the same adjustment to the section titles in the list of
+Invariant Sections in the license notice of the combined work.
+
+In the combination, you must combine any sections Entitled ``History''
+in the various original documents, forming one section Entitled
+``History''; likewise combine any sections Entitled ``Acknowledgements'',
+and any sections Entitled ``Dedications''.  You must delete all
+sections Entitled ``Endorsements.''
+
+@item
+COLLECTIONS OF DOCUMENTS
+
+You may make a collection consisting of the Document and other documents
+released under this License, and replace the individual copies of this
+License in the various documents with a single copy that is included in
+the collection, provided that you follow the rules of this License for
+verbatim copying of each of the documents in all other respects.
+
+You may extract a single document from such a collection, and distribute
+it individually under this License, provided you insert a copy of this
+License into the extracted document, and follow this License in all
+other respects regarding verbatim copying of that document.
+
+@item
+AGGREGATION WITH INDEPENDENT WORKS
+
+A compilation of the Document or its derivatives with other separate
+and independent documents or works, in or on a volume of a storage or
+distribution medium, is called an ``aggregate'' if the copyright
+resulting from the compilation is not used to limit the legal rights
+of the compilation's users beyond what the individual works permit.
+When the Document is included in an aggregate, this License does not
+apply to the other works in the aggregate which are not themselves
+derivative works of the Document.
+
+If the Cover Text requirement of section 3 is applicable to these
+copies of the Document, then if the Document is less than one half of
+the entire aggregate, the Document's Cover Texts may be placed on
+covers that bracket the Document within the aggregate, or the
+electronic equivalent of covers if the Document is in electronic form.
+Otherwise they must appear on printed covers that bracket the whole
+aggregate.
+
+@item
+TRANSLATION
+
+Translation is considered a kind of modification, so you may
+distribute translations of the Document under the terms of section 4.
+Replacing Invariant Sections with translations requires special
+permission from their copyright holders, but you may include
+translations of some or all Invariant Sections in addition to the
+original versions of these Invariant Sections.  You may include a
+translation of this License, and all the license notices in the
+Document, and any Warranty Disclaimers, provided that you also include
+the original English version of this License and the original versions
+of those notices and disclaimers.  In case of a disagreement between
+the translation and the original version of this License or a notice
+or disclaimer, the original version will prevail.
+
+If a section in the Document is Entitled ``Acknowledgements'',
+``Dedications'', or ``History'', the requirement (section 4) to Preserve
+its Title (section 1) will typically require changing the actual
+title.
+
+@item
+TERMINATION
+
+You may not copy, modify, sublicense, or distribute the Document
+except as expressly provided under this License.  Any attempt
+otherwise to copy, modify, sublicense, or distribute it is void, and
+will automatically terminate your rights under this License.
+
+However, if you cease all violation of this License, then your license
+from a particular copyright holder is reinstated (a) provisionally,
+unless and until the copyright holder explicitly and finally
+terminates your license, and (b) permanently, if the copyright holder
+fails to notify you of the violation by some reasonable means prior to
+60 days after the cessation.
+
+Moreover, your license from a particular copyright holder is
+reinstated permanently if the copyright holder notifies you of the
+violation by some reasonable means, this is the first time you have
+received notice of violation of this License (for any work) from that
+copyright holder, and you cure the violation prior to 30 days after
+your receipt of the notice.
+
+Termination of your rights under this section does not terminate the
+licenses of parties who have received copies or rights from you under
+this License.  If your rights have been terminated and not permanently
+reinstated, receipt of a copy of some or all of the same material does
+not give you any rights to use it.
+
+@item
+FUTURE REVISIONS OF THIS LICENSE
+
+The Free Software Foundation may publish new, revised versions
+of the GNU Free Documentation License from time to time.  Such new
+versions will be similar in spirit to the present version, but may
+differ in detail to address new problems or concerns.  See
+@uref{http://www.gnu.org/copyleft/}.
+
+Each version of the License is given a distinguishing version number.
+If the Document specifies that a particular numbered version of this
+License ``or any later version'' applies to it, you have the option of
+following the terms and conditions either of that specified version or
+of any later version that has been published (not as a draft) by the
+Free Software Foundation.  If the Document does not specify a version
+number of this License, you may choose any version ever published (not
+as a draft) by the Free Software Foundation.  If the Document
+specifies that a proxy can decide which future versions of this
+License can be used, that proxy's public statement of acceptance of a
+version permanently authorizes you to choose that version for the
+Document.
+
+@item
+RELICENSING
+
+``Massive Multiauthor Collaboration Site'' (or ``MMC Site'') means any
+World Wide Web server that publishes copyrightable works and also
+provides prominent facilities for anybody to edit those works.  A
+public wiki that anybody can edit is an example of such a server.  A
+``Massive Multiauthor Collaboration'' (or ``MMC'') contained in the
+site means any set of copyrightable works thus published on the MMC
+site.
+
+``CC-BY-SA'' means the Creative Commons Attribution-Share Alike 3.0
+license published by Creative Commons Corporation, a not-for-profit
+corporation with a principal place of business in San Francisco,
+California, as well as future copyleft versions of that license
+published by that same organization.
+
+``Incorporate'' means to publish or republish a Document, in whole or
+in part, as part of another Document.
+
+An MMC is ``eligible for relicensing'' if it is licensed under this
+License, and if all works that were first published under this License
+somewhere other than this MMC, and subsequently incorporated in whole
+or in part into the MMC, (1) had no cover texts or invariant sections,
+and (2) were thus incorporated prior to November 1, 2008.
+
+The operator of an MMC Site may republish an MMC contained in the site
+under CC-BY-SA on the same site at any time before August 1, 2009,
+provided the MMC is eligible for relicensing.
+
+@end enumerate
+
+@page
+@heading ADDENDUM: How to use this License for your documents
+
+To use this License in a document you have written, include a copy of
+the License in the document and put the following copyright and
+license notices just after the title page:
+
+@smallexample
+@group
+  Copyright (C)  @var{year}  @var{your name}.
+  Permission is granted to copy, distribute and/or modify this document
+  under the terms of the GNU Free Documentation License, Version 1.3
+  or any later version published by the Free Software Foundation;
+  with no Invariant Sections, no Front-Cover Texts, and no Back-Cover
+  Texts.  A copy of the license is included in the section entitled ``GNU
+  Free Documentation License''.
+@end group
+@end smallexample
+
+If you have Invariant Sections, Front-Cover Texts and Back-Cover Texts,
+replace the ``with@dots{}Texts.''@: line with this:
+
+@smallexample
+@group
+    with the Invariant Sections being @var{list their titles}, with
+    the Front-Cover Texts being @var{list}, and with the Back-Cover Texts
+    being @var{list}.
+@end group
+@end smallexample
+
+If you have Invariant Sections without Cover Texts, or some other
+combination of the three, merge those two alternatives to suit the
+situation.
+
+If your document contains nontrivial examples of program code, we
+recommend releasing these examples in parallel under your choice of
+free software license, such as the GNU General Public License,
+to permit their use in free software.
+
+@c Local Variables:
+@c ispell-local-pdict: "ispell-dict"
+@c End:
diff --git a/doc/gendocs.sh b/doc/gendocs.sh
new file mode 100755
index 0000000..3b71b36
--- /dev/null
+++ b/doc/gendocs.sh
@@ -0,0 +1,504 @@
+#!/bin/sh -e
+# gendocs.sh -- generate a GNU manual in many formats.  This script is
+#   mentioned in maintain.texi.  See the help message below for usage details.
+
+scriptversion=2016-12-31.18
+
+# Copyright 2003-2017 Free Software Foundation, Inc.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+# Original author: Mohit Agarwal.
+# Send bug reports and any other correspondence to bug-gnulib@gnu.org.
+#
+# The latest version of this script, and the companion template, is
+# available from the Gnulib repository:
+#
+# http://git.savannah.gnu.org/cgit/gnulib.git/tree/build-aux/gendocs.sh
+# http://git.savannah.gnu.org/cgit/gnulib.git/tree/doc/gendocs_template
+
+# TODO:
+# - image importing was only implemented for HTML generated by
+#   makeinfo.  But it should be simple enough to adjust.
+# - images are not imported in the source tarball.  All the needed
+#   formats (PDF, PNG, etc.) should be included.
+
+prog=`basename "$0"`
+srcdir=`pwd`
+
+scripturl="http://git.savannah.gnu.org/cgit/gnulib.git/plain/build-aux/gendocs.sh"
+templateurl="http://git.savannah.gnu.org/cgit/gnulib.git/plain/doc/gendocs_template"
+
+: ${SETLANG="env LANG= LC_MESSAGES= LC_ALL= LANGUAGE="}
+: ${MAKEINFO="makeinfo"}
+: ${TEXI2DVI="texi2dvi"}
+: ${DOCBOOK2HTML="docbook2html"}
+: ${DOCBOOK2PDF="docbook2pdf"}
+: ${DOCBOOK2TXT="docbook2txt"}
+: ${GENDOCS_TEMPLATE_DIR="."}
+: ${PERL='perl'}
+: ${TEXI2HTML="texi2html"}
+unset CDPATH
+unset use_texi2html
+
+MANUAL_TITLE=
+PACKAGE=
+EMAIL=webmasters@gnu.org  # please override with --email
+commonarg= # passed to all makeinfo/texi2html invcations.
+dirargs=   # passed to all tools (-I dir).
+dirs=      # -I directories.
+htmlarg="--css-ref=/software/gnulib/manual.css -c TOP_NODE_UP_URL=/manual"
+infoarg=--no-split
+generate_ascii=true
+generate_html=true
+generate_info=true
+generate_tex=true
+outdir=manual
+source_extra=
+split=node
+srcfile=
+texarg="-t @finalout"
+
+version="gendocs.sh $scriptversion
+
+Copyright 2017 Free Software Foundation, Inc.
+There is NO warranty.  You may redistribute this software
+under the terms of the GNU General Public License.
+For more information about these matters, see the files named COPYING."
+
+usage="Usage: $prog [OPTION]... PACKAGE MANUAL-TITLE
+
+Generate output in various formats from PACKAGE.texinfo (or .texi or
+.txi) source.  See the GNU Maintainers document for a more extensive
+discussion:
+  http://www.gnu.org/prep/maintain_toc.html
+
+Options:
+  --email ADR use ADR as contact in generated web pages; always give this.
+
+  -s SRCFILE   read Texinfo from SRCFILE, instead of PACKAGE.{texinfo|texi|txi}
+  -o OUTDIR    write files into OUTDIR, instead of manual/.
+  -I DIR       append DIR to the Texinfo search path.
+  --common ARG pass ARG in all invocations.
+  --html ARG   pass ARG to makeinfo or texi2html for HTML targets,
+                 instead of '$htmlarg'.
+  --info ARG   pass ARG to makeinfo for Info, instead of --no-split.
+  --no-ascii   skip generating the plain text output.
+  --no-html    skip generating the html output.
+  --no-info    skip generating the info output.
+  --no-tex     skip generating the dvi and pdf output.
+  --source ARG include ARG in tar archive of sources.
+  --split HOW  make split HTML by node, section, chapter; default node.
+  --tex ARG    pass ARG to texi2dvi for DVI and PDF, instead of -t @finalout.
+
+  --texi2html  use texi2html to make HTML target, with all split versions.
+  --docbook    convert through DocBook too (xml, txt, html, pdf).
+
+  --help       display this help and exit successfully.
+  --version    display version information and exit successfully.
+
+Simple example: $prog --email bug-gnu-emacs@gnu.org emacs \"GNU Emacs Manual\"
+
+Typical sequence:
+  cd PACKAGESOURCE/doc
+  wget \"$scripturl\"
+  wget \"$templateurl\"
+  $prog --email BUGLIST MANUAL \"GNU MANUAL - One-line description\"
+
+Output will be in a new subdirectory \"manual\" (by default;
+use -o OUTDIR to override).  Move all the new files into your web CVS
+tree, as explained in the Web Pages node of maintain.texi.
+
+Please use the --email ADDRESS option so your own bug-reporting
+address will be used in the generated HTML pages.
+
+MANUAL-TITLE is included as part of the HTML <title> of the overall
+manual/index.html file.  It should include the name of the package being
+documented.  manual/index.html is created by substitution from the file
+$GENDOCS_TEMPLATE_DIR/gendocs_template.  (Feel free to modify the
+generic template for your own purposes.)
+
+If you have several manuals, you'll need to run this script several
+times with different MANUAL values, specifying a different output
+directory with -o each time.  Then write (by hand) an overall index.html
+with links to them all.
+
+If a manual's Texinfo sources are spread across several directories,
+first copy or symlink all Texinfo sources into a single directory.
+(Part of the script's work is to make a tar.gz of the sources.)
+
+As implied above, by default monolithic Info files are generated.
+If you want split Info, or other Info options, use --info to override.
+
+You can set the environment variables MAKEINFO, TEXI2DVI, TEXI2HTML,
+and PERL to control the programs that get executed, and
+GENDOCS_TEMPLATE_DIR to control where the gendocs_template file is
+looked for.  With --docbook, the environment variables DOCBOOK2HTML,
+DOCBOOK2PDF, and DOCBOOK2TXT are also consulted.
+
+By default, makeinfo and texi2dvi are run in the default (English)
+locale, since that's the language of most Texinfo manuals.  If you
+happen to have a non-English manual and non-English web site, see the
+SETLANG setting in the source.
+
+Email bug reports or enhancement requests to bug-gnulib@gnu.org.
+"
+
+while test $# -gt 0; do
+  case $1 in
+    -s)          shift; srcfile=$1;;
+    -o)          shift; outdir=$1;;
+    -I)          shift; dirargs="$dirargs -I '$1'"; dirs="$dirs $1";;
+    --common)    shift; commonarg=$1;;
+    --docbook)   docbook=yes;;
+    --email)     shift; EMAIL=$1;;
+    --html)      shift; htmlarg=$1;;
+    --info)      shift; infoarg=$1;;
+    --no-ascii)  generate_ascii=false;;
+    --no-html)   generate_ascii=false;;
+    --no-info)   generate_info=false;;
+    --no-tex)    generate_tex=false;;
+    --source)    shift; source_extra=$1;;
+    --split)     shift; split=$1;;
+    --tex)       shift; texarg=$1;;
+    --texi2html) use_texi2html=1;;
+
+    --help)      echo "$usage"; exit 0;;
+    --version)   echo "$version"; exit 0;;
+    -*)
+      echo "$0: Unknown option \`$1'." >&2
+      echo "$0: Try \`--help' for more information." >&2
+      exit 1;;
+    *)
+      if test -z "$PACKAGE"; then
+        PACKAGE=$1
+      elif test -z "$MANUAL_TITLE"; then
+        MANUAL_TITLE=$1
+      else
+        echo "$0: extra non-option argument \`$1'." >&2
+        exit 1
+      fi;;
+  esac
+  shift
+done
+
+# makeinfo uses the dirargs, but texi2dvi doesn't.
+commonarg=" $dirargs $commonarg"
+
+# For most of the following, the base name is just $PACKAGE
+base=$PACKAGE
+
+if test -n "$srcfile"; then
+  # but here, we use the basename of $srcfile
+  base=`basename "$srcfile"`
+  case $base in
+    *.txi|*.texi|*.texinfo) base=`echo "$base"|sed 's/\.[texinfo]*$//'`;;
+  esac
+  PACKAGE=$base
+elif test -s "$srcdir/$PACKAGE.texinfo"; then
+  srcfile=$srcdir/$PACKAGE.texinfo
+elif test -s "$srcdir/$PACKAGE.texi"; then
+  srcfile=$srcdir/$PACKAGE.texi
+elif test -s "$srcdir/$PACKAGE.txi"; then
+  srcfile=$srcdir/$PACKAGE.txi
+else
+  echo "$0: cannot find .texinfo or .texi or .txi for $PACKAGE in $srcdir." >&2
+  exit 1
+fi
+
+if test ! -r $GENDOCS_TEMPLATE_DIR/gendocs_template; then
+  echo "$0: cannot read $GENDOCS_TEMPLATE_DIR/gendocs_template." >&2
+  echo "$0: it is available from $templateurl." >&2
+  exit 1
+fi
+
+# Function to return size of $1 in something resembling kilobytes.
+calcsize()
+{
+  size=`ls -ksl $1 | awk '{print $1}'`
+  echo $size
+}
+
+# copy_images OUTDIR HTML-FILE...
+# -------------------------------
+# Copy all the images needed by the HTML-FILEs into OUTDIR.
+# Look for them in . and the -I directories; this is simpler than what
+# makeinfo supports with -I, but hopefully it will suffice.
+copy_images()
+{
+  local odir
+  odir=$1
+  shift
+  $PERL -n -e "
+BEGIN {
+  \$me = '$prog';
+  \$odir = '$odir';
+  @dirs = qw(. $dirs);
+}
+" -e '
+/<img src="(.*?)"/g && ++$need{$1};
+
+END {
+  #print "$me: @{[keys %need]}\n";  # for debugging, show images found.
+  FILE: for my $f (keys %need) {
+    for my $d (@dirs) {
+      if (-f "$d/$f") {
+        use File::Basename;
+        my $dest = dirname ("$odir/$f");
+        #
+        use File::Path;
+        -d $dest || mkpath ($dest)
+          || die "$me: cannot mkdir $dest: $!\n";
+        #
+        use File::Copy;
+        copy ("$d/$f", $dest)
+          || die "$me: cannot copy $d/$f to $dest: $!\n";
+        next FILE;
+      }
+    }
+    die "$me: $ARGV: cannot find image $f\n";
+  }
+}
+' -- "$@" || exit 1
+}
+
+case $outdir in
+  /*) abs_outdir=$outdir;;
+  *)  abs_outdir=$srcdir/$outdir;;
+esac
+
+echo "Making output for $srcfile"
+echo " in `pwd`"
+mkdir -p "$outdir/"
+
+# 
+if $generate_info; then
+  cmd="$SETLANG $MAKEINFO -o $PACKAGE.info $commonarg $infoarg \"$srcfile\""
+  echo "Generating info... ($cmd)"
+  rm -f $PACKAGE.info* # get rid of any strays
+  eval "$cmd"
+  tar czf "$outdir/$PACKAGE.info.tar.gz" $PACKAGE.info*
+  ls -l "$outdir/$PACKAGE.info.tar.gz"
+  info_tgz_size=`calcsize "$outdir/$PACKAGE.info.tar.gz"`
+  # do not mv the info files, there's no point in having them available
+  # separately on the web.
+fi  # end info
+
+# 
+if $generate_tex; then
+  cmd="$SETLANG $TEXI2DVI $dirargs $texarg \"$srcfile\""
+  printf "\nGenerating dvi... ($cmd)\n"
+  eval "$cmd"
+  # compress/finish dvi:
+  gzip -f -9 $PACKAGE.dvi
+  dvi_gz_size=`calcsize $PACKAGE.dvi.gz`
+  mv $PACKAGE.dvi.gz "$outdir/"
+  ls -l "$outdir/$PACKAGE.dvi.gz"
+
+  cmd="$SETLANG $TEXI2DVI --pdf $dirargs $texarg \"$srcfile\""
+  printf "\nGenerating pdf... ($cmd)\n"
+  eval "$cmd"
+  pdf_size=`calcsize $PACKAGE.pdf`
+  mv $PACKAGE.pdf "$outdir/"
+  ls -l "$outdir/$PACKAGE.pdf"
+fi # end tex (dvi + pdf)
+
+# 
+if $generate_ascii; then
+  opt="-o $PACKAGE.txt --no-split --no-headers $commonarg"
+  cmd="$SETLANG $MAKEINFO $opt \"$srcfile\""
+  printf "\nGenerating ascii... ($cmd)\n"
+  eval "$cmd"
+  ascii_size=`calcsize $PACKAGE.txt`
+  gzip -f -9 -c $PACKAGE.txt >"$outdir/$PACKAGE.txt.gz"
+  ascii_gz_size=`calcsize "$outdir/$PACKAGE.txt.gz"`
+  mv $PACKAGE.txt "$outdir/"
+  ls -l "$outdir/$PACKAGE.txt" "$outdir/$PACKAGE.txt.gz"
+fi
+
+# 
+
+if $generate_html; then
+# Split HTML at level $1.  Used for texi2html.
+html_split()
+{
+  opt="--split=$1 --node-files $commonarg $htmlarg"
+  cmd="$SETLANG $TEXI2HTML --output $PACKAGE.html $opt \"$srcfile\""
+  printf "\nGenerating html by $1... ($cmd)\n"
+  eval "$cmd"
+  split_html_dir=$PACKAGE.html
+  (
+    cd ${split_html_dir} || exit 1
+    ln -sf ${PACKAGE}.html index.html
+    tar -czf "$abs_outdir/${PACKAGE}.html_$1.tar.gz" -- *.html
+  )
+  eval html_$1_tgz_size=`calcsize "$outdir/${PACKAGE}.html_$1.tar.gz"`
+  rm -f "$outdir"/html_$1/*.html
+  mkdir -p "$outdir/html_$1/"
+  mv ${split_html_dir}/*.html "$outdir/html_$1/"
+  rmdir ${split_html_dir}
+}
+
+if test -z "$use_texi2html"; then
+  opt="--no-split --html -o $PACKAGE.html $commonarg $htmlarg"
+  cmd="$SETLANG $MAKEINFO $opt \"$srcfile\""
+  printf "\nGenerating monolithic html... ($cmd)\n"
+  rm -rf $PACKAGE.html  # in case a directory is left over
+  eval "$cmd"
+  html_mono_size=`calcsize $PACKAGE.html`
+  gzip -f -9 -c $PACKAGE.html >"$outdir/$PACKAGE.html.gz"
+  html_mono_gz_size=`calcsize "$outdir/$PACKAGE.html.gz"`
+  copy_images "$outdir/" $PACKAGE.html
+  mv $PACKAGE.html "$outdir/"
+  ls -l "$outdir/$PACKAGE.html" "$outdir/$PACKAGE.html.gz"
+
+  # Before Texinfo 5.0, makeinfo did not accept a --split=HOW option,
+  # it just always split by node.  So if we're splitting by node anyway,
+  # leave it out.
+  if test "x$split" = xnode; then
+    split_arg=
+  else
+    split_arg=--split=$split
+  fi
+  #
+  opt="--html -o $PACKAGE.html $split_arg $commonarg $htmlarg"
+  cmd="$SETLANG $MAKEINFO $opt \"$srcfile\""
+  printf "\nGenerating html by $split... ($cmd)\n"
+  eval "$cmd"
+  split_html_dir=$PACKAGE.html
+  copy_images $split_html_dir/ $split_html_dir/*.html
+  (
+    cd $split_html_dir || exit 1
+    tar -czf "$abs_outdir/$PACKAGE.html_$split.tar.gz" -- *
+  )
+  eval \
+    html_${split}_tgz_size=`calcsize "$outdir/$PACKAGE.html_$split.tar.gz"`
+  rm -rf "$outdir/html_$split/"
+  mv $split_html_dir "$outdir/html_$split/"
+  du -s "$outdir/html_$split/"
+  ls -l "$outdir/$PACKAGE.html_$split.tar.gz"
+
+else # use texi2html:
+  opt="--output $PACKAGE.html $commonarg $htmlarg"
+  cmd="$SETLANG $TEXI2HTML $opt \"$srcfile\""
+  printf "\nGenerating monolithic html with texi2html... ($cmd)\n"
+  rm -rf $PACKAGE.html  # in case a directory is left over
+  eval "$cmd"
+  html_mono_size=`calcsize $PACKAGE.html`
+  gzip -f -9 -c $PACKAGE.html >"$outdir/$PACKAGE.html.gz"
+  html_mono_gz_size=`calcsize "$outdir/$PACKAGE.html.gz"`
+  mv $PACKAGE.html "$outdir/"
+
+  html_split node
+  html_split chapter
+  html_split section
+fi
+fi # end html
+
+# 
+printf "\nMaking .tar.gz for sources...\n"
+d=`dirname $srcfile`
+(
+  cd "$d"
+  srcfiles=`ls -d *.texinfo *.texi *.txi *.eps $source_extra 2>/dev/null` || true
+  tar czfh "$abs_outdir/$PACKAGE.texi.tar.gz" $srcfiles
+  ls -l "$abs_outdir/$PACKAGE.texi.tar.gz"
+)
+texi_tgz_size=`calcsize "$outdir/$PACKAGE.texi.tar.gz"`
+
+# 
+# Do everything again through docbook.
+if test -n "$docbook"; then
+  opt="-o - --docbook $commonarg"
+  cmd="$SETLANG $MAKEINFO $opt \"$srcfile\" >${srcdir}/$PACKAGE-db.xml"
+  printf "\nGenerating docbook XML... ($cmd)\n"
+  eval "$cmd"
+  docbook_xml_size=`calcsize $PACKAGE-db.xml`
+  gzip -f -9 -c $PACKAGE-db.xml >"$outdir/$PACKAGE-db.xml.gz"
+  docbook_xml_gz_size=`calcsize "$outdir/$PACKAGE-db.xml.gz"`
+  mv $PACKAGE-db.xml "$outdir/"
+
+  split_html_db_dir=html_node_db
+  opt="$commonarg -o $split_html_db_dir"
+  cmd="$DOCBOOK2HTML $opt \"${outdir}/$PACKAGE-db.xml\""
+  printf "\nGenerating docbook HTML... ($cmd)\n"
+  eval "$cmd"
+  (
+    cd ${split_html_db_dir} || exit 1
+    tar -czf "$abs_outdir/${PACKAGE}.html_node_db.tar.gz" -- *.html
+  )
+  html_node_db_tgz_size=`calcsize "$outdir/${PACKAGE}.html_node_db.tar.gz"`
+  rm -f "$outdir"/html_node_db/*.html
+  mkdir -p "$outdir/html_node_db"
+  mv ${split_html_db_dir}/*.html "$outdir/html_node_db/"
+  rmdir ${split_html_db_dir}
+
+  cmd="$DOCBOOK2TXT \"${outdir}/$PACKAGE-db.xml\""
+  printf "\nGenerating docbook ASCII... ($cmd)\n"
+  eval "$cmd"
+  docbook_ascii_size=`calcsize $PACKAGE-db.txt`
+  mv $PACKAGE-db.txt "$outdir/"
+
+  cmd="$DOCBOOK2PDF \"${outdir}/$PACKAGE-db.xml\""
+  printf "\nGenerating docbook PDF... ($cmd)\n"
+  eval "$cmd"
+  docbook_pdf_size=`calcsize $PACKAGE-db.pdf`
+  mv $PACKAGE-db.pdf "$outdir/"
+fi
+
+# 
+printf "\nMaking index.html for $PACKAGE...\n"
+if test -z "$use_texi2html"; then
+  CONDS="/%%IF  *HTML_SECTION%%/,/%%ENDIF  *HTML_SECTION%%/d;\
+         /%%IF  *HTML_CHAPTER%%/,/%%ENDIF  *HTML_CHAPTER%%/d"
+else
+  # should take account of --split here.
+  CONDS="/%%ENDIF.*%%/d;/%%IF  *HTML_SECTION%%/d;/%%IF  *HTML_CHAPTER%%/d"
+fi
+
+curdate=`$SETLANG date '+%B %d, %Y'`
+sed \
+   -e "s!%%TITLE%%!$MANUAL_TITLE!g" \
+   -e "s!%%EMAIL%%!$EMAIL!g" \
+   -e "s!%%PACKAGE%%!$PACKAGE!g" \
+   -e "s!%%DATE%%!$curdate!g" \
+   -e "s!%%HTML_MONO_SIZE%%!$html_mono_size!g" \
+   -e "s!%%HTML_MONO_GZ_SIZE%%!$html_mono_gz_size!g" \
+   -e "s!%%HTML_NODE_TGZ_SIZE%%!$html_node_tgz_size!g" \
+   -e "s!%%HTML_SECTION_TGZ_SIZE%%!$html_section_tgz_size!g" \
+   -e "s!%%HTML_CHAPTER_TGZ_SIZE%%!$html_chapter_tgz_size!g" \
+   -e "s!%%INFO_TGZ_SIZE%%!$info_tgz_size!g" \
+   -e "s!%%DVI_GZ_SIZE%%!$dvi_gz_size!g" \
+   -e "s!%%PDF_SIZE%%!$pdf_size!g" \
+   -e "s!%%ASCII_SIZE%%!$ascii_size!g" \
+   -e "s!%%ASCII_GZ_SIZE%%!$ascii_gz_size!g" \
+   -e "s!%%TEXI_TGZ_SIZE%%!$texi_tgz_size!g" \
+   -e "s!%%DOCBOOK_HTML_NODE_TGZ_SIZE%%!$html_node_db_tgz_size!g" \
+   -e "s!%%DOCBOOK_ASCII_SIZE%%!$docbook_ascii_size!g" \
+   -e "s!%%DOCBOOK_PDF_SIZE%%!$docbook_pdf_size!g" \
+   -e "s!%%DOCBOOK_XML_SIZE%%!$docbook_xml_size!g" \
+   -e "s!%%DOCBOOK_XML_GZ_SIZE%%!$docbook_xml_gz_size!g" \
+   -e "s,%%SCRIPTURL%%,$scripturl,g" \
+   -e "s!%%SCRIPTNAME%%!$prog!g" \
+   -e "$CONDS" \
+$GENDOCS_TEMPLATE_DIR/gendocs_template >"$outdir/index.html"
+
+echo "Done, see $outdir/ subdirectory for new files."
+
+# Local variables:
+# eval: (add-hook 'write-file-hooks 'time-stamp)
+# time-stamp-start: "scriptversion="
+# time-stamp-format: "%:y-%02m-%02d.%02H"
+# time-stamp-end: "$"
+# End:
diff --git a/doc/gendocs_template b/doc/gendocs_template
new file mode 100644
index 0000000..178f6cb
--- /dev/null
+++ b/doc/gendocs_template
@@ -0,0 +1,91 @@
+<!--#include virtual="/server/header.html" -->
+<!-- Parent-Version: 1.77 -->
+<title>%%TITLE%% - GNU Project - Free Software Foundation</title>
+<!--#include virtual="/server/banner.html" -->
+<h2>%%TITLE%%</h2>
+
+<address>Free Software Foundation</address>
+<address>last updated %%DATE%%</address>
+
+<p>This manual (%%PACKAGE%%) is available in the following formats:</p>
+
+<ul>
+<li><a href="%%PACKAGE%%.html">HTML
+    (%%HTML_MONO_SIZE%%K bytes)</a> - entirely on one web page.</li>
+<li><a href="html_node/index.html">HTML</a> - with one web page per
+    node.</li>
+%%IF HTML_SECTION%%
+<li><a href="html_section/index.html">HTML</a> - with one web page per
+    section.</li>
+%%ENDIF HTML_SECTION%%
+%%IF HTML_CHAPTER%%
+<li><a href="html_chapter/index.html">HTML</a> - with one web page per
+    chapter.</li>
+%%ENDIF HTML_CHAPTER%%
+<li><a href="%%PACKAGE%%.html.gz">HTML compressed
+    (%%HTML_MONO_GZ_SIZE%%K gzipped characters)</a> - entirely on
+    one web page.</li>
+<li><a href="%%PACKAGE%%.html_node.tar.gz">HTML compressed
+    (%%HTML_NODE_TGZ_SIZE%%K gzipped tar file)</a> -
+    with one web page per node.</li>
+%%IF HTML_SECTION%%
+<li><a href="%%PACKAGE%%.html_section.tar.gz">HTML compressed
+    (%%HTML_SECTION_TGZ_SIZE%%K gzipped tar file)</a> -
+    with one web page per section.</li>
+%%ENDIF HTML_SECTION%%
+%%IF HTML_CHAPTER%%
+<li><a href="%%PACKAGE%%.html_chapter.tar.gz">HTML compressed
+    (%%HTML_CHAPTER_TGZ_SIZE%%K gzipped tar file)</a> -
+    with one web page per chapter.</li>
+%%ENDIF HTML_CHAPTER%%
+<li><a href="%%PACKAGE%%.info.tar.gz">Info document
+    (%%INFO_TGZ_SIZE%%K bytes gzipped tar file)</a>.</li>
+<li><a href="%%PACKAGE%%.txt">ASCII text
+    (%%ASCII_SIZE%%K bytes)</a>.</li>
+<li><a href="%%PACKAGE%%.txt.gz">ASCII text compressed
+    (%%ASCII_GZ_SIZE%%K bytes gzipped)</a>.</li>
+<li><a href="%%PACKAGE%%.dvi.gz">TeX dvi file
+    (%%DVI_GZ_SIZE%%K bytes gzipped)</a>.</li>
+<li><a href="%%PACKAGE%%.pdf">PDF file
+    (%%PDF_SIZE%%K bytes)</a>.</li>
+<li><a href="%%PACKAGE%%.texi.tar.gz">Texinfo source
+    (%%TEXI_TGZ_SIZE%%K bytes gzipped tar file).</a></li>
+</ul>
+
+<p>You can <a href="http://shop.fsf.org/">buy printed copies of
+some manuals</a> (among other items) from the Free Software Foundation;
+this helps support FSF activities.</p>
+
+<p>(This page generated by the <a href="%%SCRIPTURL%%">%%SCRIPTNAME%%
+script</a>.)</p>
+
+<!-- If needed, change the copyright block at the bottom. In general,
+     all pages on the GNU web server should have the section about
+     verbatim copying.  Please do NOT remove this without talking
+     with the webmasters first.
+     Please make sure the copyright date is consistent with the document
+     and that it is like this: "2001, 2002", not this: "2001-2002". -->
+</div><!-- for id="content", starts in the include above -->
+<!--#include virtual="/server/footer.html" -->
+<div id="footer">
+<div class="unprintable">
+
+<p>Please send general FSF &amp; GNU inquiries to
+<a href="mailto:gnu@gnu.org">&lt;gnu@gnu.org&gt;</a>.
+There are also <a href="/contact/">other ways to contact</a>
+the FSF.  Broken links and other corrections or suggestions can be sent
+to <a href="mailto:%%EMAIL%%">&lt;%%EMAIL%%&gt;</a>.</p>
+</div>
+
+<p>Copyright &copy; 2017 Free Software Foundation, Inc.</p>
+
+<p>This page is licensed under a <a rel="license"
+href="http://creativecommons.org/licenses/by-nd/3.0/us/">Creative
+Commons Attribution-NoDerivs 3.0 United States License</a>.</p>
+
+<!--#include virtual="/server/bottom-notes.html" -->
+
+</div>
+</div>
+</body>
+</html>
diff --git a/doc/gendocs_template_min b/doc/gendocs_template_min
new file mode 100644
index 0000000..112fa3b
--- /dev/null
+++ b/doc/gendocs_template_min
@@ -0,0 +1,93 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
+    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">
+
+<head>
+<title>%%TITLE%% - GNU Project - Free Software Foundation</title>
+<meta http-equiv="content-type" content='text/html; charset=utf-8' />
+<link rel="stylesheet" type="text/css" href="/gnu.css" />
+</head>
+
+<body>
+
+<h3>%%TITLE%%</h3>
+
+<address>Free Software Foundation</address>
+<address>last updated %%DATE%%</address>
+<p>
+<a href="/graphics/gnu-head.jpg">
+        <img src="/graphics/gnu-head-sm.jpg"
+             alt=" [image of the head of a GNU] " width="129" height="122"/>
+</a>
+</p>
+<hr />
+
+<p>This manual (%%PACKAGE%%) is available in the following formats:</p>
+
+<ul>
+<li><a href="%%PACKAGE%%.html">HTML
+    (%%HTML_MONO_SIZE%%K bytes)</a> - entirely on one web page.</li>
+<li><a href="html_node/index.html">HTML</a> - with one web page per
+    node.</li>
+%%IF HTML_SECTION%%
+<li><a href="html_section/index.html">HTML</a> - with one web page per
+    section.</li>
+%%ENDIF HTML_SECTION%%
+%%IF HTML_CHAPTER%%
+<li><a href="html_chapter/index.html">HTML</a> - with one web page per
+    chapter.</li>
+%%ENDIF HTML_CHAPTER%%
+<li><a href="%%PACKAGE%%.html.gz">HTML compressed
+    (%%HTML_MONO_GZ_SIZE%%K gzipped characters)</a> - entirely on
+    one web page.</li>
+<li><a href="%%PACKAGE%%.html_node.tar.gz">HTML compressed
+    (%%HTML_NODE_TGZ_SIZE%%K gzipped tar file)</a> -
+    with one web page per node.</li>
+%%IF HTML_SECTION%%
+<li><a href="%%PACKAGE%%.html_section.tar.gz">HTML compressed
+    (%%HTML_SECTION_TGZ_SIZE%%K gzipped tar file)</a> -
+    with one web page per section.</li>
+%%ENDIF HTML_SECTION%%
+%%IF HTML_CHAPTER%%
+<li><a href="%%PACKAGE%%.html_chapter.tar.gz">HTML compressed
+    (%%HTML_CHAPTER_TGZ_SIZE%%K gzipped tar file)</a> -
+    with one web page per chapter.</li>
+%%ENDIF HTML_CHAPTER%%
+<li><a href="%%PACKAGE%%.info.tar.gz">Info document
+    (%%INFO_TGZ_SIZE%%K bytes gzipped tar file)</a>.</li>
+<li><a href="%%PACKAGE%%.txt">ASCII text
+    (%%ASCII_SIZE%%K bytes)</a>.</li>
+<li><a href="%%PACKAGE%%.txt.gz">ASCII text compressed
+    (%%ASCII_GZ_SIZE%%K bytes gzipped)</a>.</li>
+<li><a href="%%PACKAGE%%.dvi.gz">TeX dvi file
+    (%%DVI_GZ_SIZE%%K bytes gzipped)</a>.</li>
+<li><a href="%%PACKAGE%%.pdf">PDF file
+    (%%PDF_SIZE%%K bytes)</a>.</li>
+<li><a href="%%PACKAGE%%.texi.tar.gz">Texinfo source
+    (%%TEXI_TGZ_SIZE%%K bytes gzipped tar file).</a></li>
+</ul>
+
+<p>(This page generated by the <a href="%%SCRIPTURL%%">%%SCRIPTNAME%%
+script</a>.)</p>
+
+<div id="footer" class="copyright">
+
+<p>Please send general FSF &amp; GNU inquiries to
+<a href="mailto:gnu@gnu.org">&lt;gnu@gnu.org&gt;</a>.
+There are also <a href="/contact/">other ways to contact</a>
+the FSF.  Broken links and other corrections or suggestions can be sent
+to <a href="mailto:%%EMAIL%%">&lt;%%EMAIL%%&gt;</a>.</p>
+</div>
+
+<p>Copyright &copy; 2017 Free Software Foundation, Inc.</p>
+
+<p>This page is licensed under a <a rel="license"
+href="http://creativecommons.org/licenses/by-nd/3.0/us/">Creative
+Commons Attribution-NoDerivs 3.0 United States License</a>.</p>
+
+<!--#include virtual="/server/bottom-notes.html" -->
+
+</div>
+</body>
+</html>
diff --git a/doc/gnunet-guile.texi b/doc/gnunet-guile.texi
new file mode 100644
index 0000000..7e18833
--- /dev/null
+++ b/doc/gnunet-guile.texi
@@ -0,0 +1,132 @@
+\input texinfo
+@c -*-texinfo-*-
+
+@c %**start of header
+@setfilename gnunet-guile.info
+@documentencoding UTF-8
+@settitle GNUnet Guile Reference Manual
+@exampleindent 2
+@urefbreakstyle before
+@c %**end of header
+
+@include version.texi
+
+@copying
+Copyright @copyright{} 2017 GNUnet e.V.
+
+Permission is granted to copy, distribute and/or modify this document
+under the terms of the GNU Free Documentation License, Version 1.3 or
+any later version published by the Free Software Foundation; with no
+Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts.  A
+copy of the license is included in the section entitled ``GNU Free
+Documentation License''.
+
+A copy of the license is also available from the Free Software
+Foundation Web site at @url{http://www.gnu.org/licenses/fdl.html}.
+
+Alternately, this document is also available under the General
+Public License, version 3 or later, as published by the Free Software
+Foundation.  A copy of the license is included in the section entitled
+``GNU General Public License''.
+
+A copy of the license is also available from the Free Software
+Foundation Web site at @url{http://www.gnu.org/licenses/gpl.html}.
+@end copying
+
+@dircategory Networking
+@direntry
+* GNUnet-Guile: (gnunet-guile).       Guile bindings for GNUnet
+@end direntry
+
+@titlepage
+@title GNUnet Guile Reference Manual
+@subtitle Guile bindings for GNUnet
+@author The GNUnet Developers
+
+@page
+@vskip 0pt plus 1filll
+Edition @value{EDITION} @*
+@value{UPDATED} @*
+
+@insertcopying
+@end titlepage
+
+@summarycontents
+@contents
+
+@node Top
+@top Contributing to GNUnet
+
+
+This document describes GNUnet Guile version @value{VERSION}.
+
+
+GNUnet Guile is a maintained as part of the
+@uref{https://gnunet.org/, GNUnet} project.
+
+All code contributions must thus be put under the
+@uref{https://www.gnu.org/copyleft/gpl.html, GNU Public License (GPL)}.
+All documentation should be put under FSF approved licenses
+(see @uref{https://www.gnu.org/copyleft/fdl.html, fdl}).
+
+By submitting documentation, translations, comments and other
+content to this project you automatically grant the right to publish
+code under the GNU Public License (version 3 or later) and
+documentation under either or both the GNU Public License or the
+GNU Free Documentation License.
+When contributing to the GNUnet Guile project, GNU standards and the
+@uref{https://www.gnu.org/philosophy/philosophy.html, GNU philosophy}
+should be adhered to.
+
+Unlike GNUnet, we require no formal copyright assignments
+for contributions to GNUnet Guile.
+
+@menu
+
+* Introduction::                    Introduction
+* Main::                            Main
+* GNU Free Documentation License::  The license of this manual.
+* GNU General Public License::      The license of this manual.
+* Concept Index::                   Concepts.
+* Programming Index::               Data types, functions, and variables.
+
+@detailmenu
+ --- The Detailed Node Listing ---
+
+Introduction
+
+Main
+
+@end detailmenu
+@end menu
+
+@node Introduction
+@chapter Introduction
+
+@node Main
+@chapter Main
+
+@c *********************************************************************
+@node GNU Free Documentation License
+@appendix GNU Free Documentation License
+@cindex license, GNU Free Documentation License
+@include fdl-1.3.texi
+
+@c *********************************************************************
+@node GNU General Public License
+@appendix GNU General Public License
+@cindex license, GNU General Public License
+@include gpl-3.0.texi
+
+@c *********************************************************************
+@node Concept Index
+@unnumbered Concept Index
+@printindex cp
+
+@node Programming Index
+@unnumbered Programming Index
+@syncodeindex tp fn
+@syncodeindex vr fn
+@printindex fn
+
+@bye
diff --git a/doc/gpl-3.0.texi b/doc/gpl-3.0.texi
new file mode 100644
index 0000000..0e2e212
--- /dev/null
+++ b/doc/gpl-3.0.texi
@@ -0,0 +1,717 @@
+@c The GNU General Public License.
+@center Version 3, 29 June 2007
+
+@c This file is intended to be included within another document,
+@c hence no sectioning command or @node.
+
+@display
+Copyright @copyright{} 2007 Free Software Foundation, Inc. @url{http://fsf.org/}
+
+Everyone is permitted to copy and distribute verbatim copies of this
+license document, but changing it is not allowed.
+@end display
+
+@heading Preamble
+
+The GNU General Public License is a free, copyleft license for
+software and other kinds of works.
+
+The licenses for most software and other practical works are designed
+to take away your freedom to share and change the works.  By contrast,
+the GNU General Public License is intended to guarantee your freedom
+to share and change all versions of a program---to make sure it remains
+free software for all its users.  We, the Free Software Foundation,
+use the GNU General Public License for most of our software; it
+applies also to any other work released this way by its authors.  You
+can apply it to your programs, too.
+
+When we speak of free software, we are referring to freedom, not
+price.  Our General Public Licenses are designed to make sure that you
+have the freedom to distribute copies of free software (and charge for
+them if you wish), that you receive source code or can get it if you
+want it, that you can change the software or use pieces of it in new
+free programs, and that you know you can do these things.
+
+To protect your rights, we need to prevent others from denying you
+these rights or asking you to surrender the rights.  Therefore, you
+have certain responsibilities if you distribute copies of the
+software, or if you modify it: responsibilities to respect the freedom
+of others.
+
+For example, if you distribute copies of such a program, whether
+gratis or for a fee, you must pass on to the recipients the same
+freedoms that you received.  You must make sure that they, too,
+receive or can get the source code.  And you must show them these
+terms so they know their rights.
+
+Developers that use the GNU GPL protect your rights with two steps:
+(1) assert copyright on the software, and (2) offer you this License
+giving you legal permission to copy, distribute and/or modify it.
+
+For the developers' and authors' protection, the GPL clearly explains
+that there is no warranty for this free software.  For both users' and
+authors' sake, the GPL requires that modified versions be marked as
+changed, so that their problems will not be attributed erroneously to
+authors of previous versions.
+
+Some devices are designed to deny users access to install or run
+modified versions of the software inside them, although the
+manufacturer can do so.  This is fundamentally incompatible with the
+aim of protecting users' freedom to change the software.  The
+systematic pattern of such abuse occurs in the area of products for
+individuals to use, which is precisely where it is most unacceptable.
+Therefore, we have designed this version of the GPL to prohibit the
+practice for those products.  If such problems arise substantially in
+other domains, we stand ready to extend this provision to those
+domains in future versions of the GPL, as needed to protect the
+freedom of users.
+
+Finally, every program is threatened constantly by software patents.
+States should not allow patents to restrict development and use of
+software on general-purpose computers, but in those that do, we wish
+to avoid the special danger that patents applied to a free program
+could make it effectively proprietary.  To prevent this, the GPL
+assures that patents cannot be used to render the program non-free.
+
+The precise terms and conditions for copying, distribution and
+modification follow.
+
+@heading TERMS AND CONDITIONS
+
+@enumerate 0
+@item Definitions.
+
+``This License'' refers to version 3 of the GNU General Public License.
+
+``Copyright'' also means copyright-like laws that apply to other kinds
+of works, such as semiconductor masks.
+
+``The Program'' refers to any copyrightable work licensed under this
+License.  Each licensee is addressed as ``you''.  ``Licensees'' and
+``recipients'' may be individuals or organizations.
+
+To ``modify'' a work means to copy from or adapt all or part of the work
+in a fashion requiring copyright permission, other than the making of
+an exact copy.  The resulting work is called a ``modified version'' of
+the earlier work or a work ``based on'' the earlier work.
+
+A ``covered work'' means either the unmodified Program or a work based
+on the Program.
+
+To ``propagate'' a work means to do anything with it that, without
+permission, would make you directly or secondarily liable for
+infringement under applicable copyright law, except executing it on a
+computer or modifying a private copy.  Propagation includes copying,
+distribution (with or without modification), making available to the
+public, and in some countries other activities as well.
+
+To ``convey'' a work means any kind of propagation that enables other
+parties to make or receive copies.  Mere interaction with a user
+through a computer network, with no transfer of a copy, is not
+conveying.
+
+An interactive user interface displays ``Appropriate Legal Notices'' to
+the extent that it includes a convenient and prominently visible
+feature that (1) displays an appropriate copyright notice, and (2)
+tells the user that there is no warranty for the work (except to the
+extent that warranties are provided), that licensees may convey the
+work under this License, and how to view a copy of this License.  If
+the interface presents a list of user commands or options, such as a
+menu, a prominent item in the list meets this criterion.
+
+@item Source Code.
+
+The ``source code'' for a work means the preferred form of the work for
+making modifications to it.  ``Object code'' means any non-source form
+of a work.
+
+A ``Standard Interface'' means an interface that either is an official
+standard defined by a recognized standards body, or, in the case of
+interfaces specified for a particular programming language, one that
+is widely used among developers working in that language.
+
+The ``System Libraries'' of an executable work include anything, other
+than the work as a whole, that (a) is included in the normal form of
+packaging a Major Component, but which is not part of that Major
+Component, and (b) serves only to enable use of the work with that
+Major Component, or to implement a Standard Interface for which an
+implementation is available to the public in source code form.  A
+``Major Component'', in this context, means a major essential component
+(kernel, window system, and so on) of the specific operating system
+(if any) on which the executable work runs, or a compiler used to
+produce the work, or an object code interpreter used to run it.
+
+The ``Corresponding Source'' for a work in object code form means all
+the source code needed to generate, install, and (for an executable
+work) run the object code and to modify the work, including scripts to
+control those activities.  However, it does not include the work's
+System Libraries, or general-purpose tools or generally available free
+programs which are used unmodified in performing those activities but
+which are not part of the work.  For example, Corresponding Source
+includes interface definition files associated with source files for
+the work, and the source code for shared libraries and dynamically
+linked subprograms that the work is specifically designed to require,
+such as by intimate data communication or control flow between those
+subprograms and other parts of the work.
+
+The Corresponding Source need not include anything that users can
+regenerate automatically from other parts of the Corresponding Source.
+
+The Corresponding Source for a work in source code form is that same
+work.
+
+@item Basic Permissions.
+
+All rights granted under this License are granted for the term of
+copyright on the Program, and are irrevocable provided the stated
+conditions are met.  This License explicitly affirms your unlimited
+permission to run the unmodified Program.  The output from running a
+covered work is covered by this License only if the output, given its
+content, constitutes a covered work.  This License acknowledges your
+rights of fair use or other equivalent, as provided by copyright law.
+
+You may make, run and propagate covered works that you do not convey,
+without conditions so long as your license otherwise remains in force.
+You may convey covered works to others for the sole purpose of having
+them make modifications exclusively for you, or provide you with
+facilities for running those works, provided that you comply with the
+terms of this License in conveying all material for which you do not
+control copyright.  Those thus making or running the covered works for
+you must do so exclusively on your behalf, under your direction and
+control, on terms that prohibit them from making any copies of your
+copyrighted material outside their relationship with you.
+
+Conveying under any other circumstances is permitted solely under the
+conditions stated below.  Sublicensing is not allowed; section 10
+makes it unnecessary.
+
+@item Protecting Users' Legal Rights From Anti-Circumvention Law.
+
+No covered work shall be deemed part of an effective technological
+measure under any applicable law fulfilling obligations under article
+11 of the WIPO copyright treaty adopted on 20 December 1996, or
+similar laws prohibiting or restricting circumvention of such
+measures.
+
+When you convey a covered work, you waive any legal power to forbid
+circumvention of technological measures to the extent such
+circumvention is effected by exercising rights under this License with
+respect to the covered work, and you disclaim any intention to limit
+operation or modification of the work as a means of enforcing, against
+the work's users, your or third parties' legal rights to forbid
+circumvention of technological measures.
+
+@item Conveying Verbatim Copies.
+
+You may convey verbatim copies of the Program's source code as you
+receive it, in any medium, provided that you conspicuously and
+appropriately publish on each copy an appropriate copyright notice;
+keep intact all notices stating that this License and any
+non-permissive terms added in accord with section 7 apply to the code;
+keep intact all notices of the absence of any warranty; and give all
+recipients a copy of this License along with the Program.
+
+You may charge any price or no price for each copy that you convey,
+and you may offer support or warranty protection for a fee.
+
+@item Conveying Modified Source Versions.
+
+You may convey a work based on the Program, or the modifications to
+produce it from the Program, in the form of source code under the
+terms of section 4, provided that you also meet all of these
+conditions:
+
+@enumerate a
+@item
+The work must carry prominent notices stating that you modified it,
+and giving a relevant date.
+
+@item
+The work must carry prominent notices stating that it is released
+under this License and any conditions added under section 7.  This
+requirement modifies the requirement in section 4 to ``keep intact all
+notices''.
+
+@item
+You must license the entire work, as a whole, under this License to
+anyone who comes into possession of a copy.  This License will
+therefore apply, along with any applicable section 7 additional terms,
+to the whole of the work, and all its parts, regardless of how they
+are packaged.  This License gives no permission to license the work in
+any other way, but it does not invalidate such permission if you have
+separately received it.
+
+@item
+If the work has interactive user interfaces, each must display
+Appropriate Legal Notices; however, if the Program has interactive
+interfaces that do not display Appropriate Legal Notices, your work
+need not make them do so.
+@end enumerate
+
+A compilation of a covered work with other separate and independent
+works, which are not by their nature extensions of the covered work,
+and which are not combined with it such as to form a larger program,
+in or on a volume of a storage or distribution medium, is called an
+``aggregate'' if the compilation and its resulting copyright are not
+used to limit the access or legal rights of the compilation's users
+beyond what the individual works permit.  Inclusion of a covered work
+in an aggregate does not cause this License to apply to the other
+parts of the aggregate.
+
+@item  Conveying Non-Source Forms.
+
+You may convey a covered work in object code form under the terms of
+sections 4 and 5, provided that you also convey the machine-readable
+Corresponding Source under the terms of this License, in one of these
+ways:
+
+@enumerate a
+@item
+Convey the object code in, or embodied in, a physical product
+(including a physical distribution medium), accompanied by the
+Corresponding Source fixed on a durable physical medium customarily
+used for software interchange.
+
+@item
+Convey the object code in, or embodied in, a physical product
+(including a physical distribution medium), accompanied by a written
+offer, valid for at least three years and valid for as long as you
+offer spare parts or customer support for that product model, to give
+anyone who possesses the object code either (1) a copy of the
+Corresponding Source for all the software in the product that is
+covered by this License, on a durable physical medium customarily used
+for software interchange, for a price no more than your reasonable
+cost of physically performing this conveying of source, or (2) access
+to copy the Corresponding Source from a network server at no charge.
+
+@item
+Convey individual copies of the object code with a copy of the written
+offer to provide the Corresponding Source.  This alternative is
+allowed only occasionally and noncommercially, and only if you
+received the object code with such an offer, in accord with subsection
+6b.
+
+@item
+Convey the object code by offering access from a designated place
+(gratis or for a charge), and offer equivalent access to the
+Corresponding Source in the same way through the same place at no
+further charge.  You need not require recipients to copy the
+Corresponding Source along with the object code.  If the place to copy
+the object code is a network server, the Corresponding Source may be
+on a different server (operated by you or a third party) that supports
+equivalent copying facilities, provided you maintain clear directions
+next to the object code saying where to find the Corresponding Source.
+Regardless of what server hosts the Corresponding Source, you remain
+obligated to ensure that it is available for as long as needed to
+satisfy these requirements.
+
+@item
+Convey the object code using peer-to-peer transmission, provided you
+inform other peers where the object code and Corresponding Source of
+the work are being offered to the general public at no charge under
+subsection 6d.
+
+@end enumerate
+
+A separable portion of the object code, whose source code is excluded
+from the Corresponding Source as a System Library, need not be
+included in conveying the object code work.
+
+A ``User Product'' is either (1) a ``consumer product'', which means any
+tangible personal property which is normally used for personal,
+family, or household purposes, or (2) anything designed or sold for
+incorporation into a dwelling.  In determining whether a product is a
+consumer product, doubtful cases shall be resolved in favor of
+coverage.  For a particular product received by a particular user,
+``normally used'' refers to a typical or common use of that class of
+product, regardless of the status of the particular user or of the way
+in which the particular user actually uses, or expects or is expected
+to use, the product.  A product is a consumer product regardless of
+whether the product has substantial commercial, industrial or
+non-consumer uses, unless such uses represent the only significant
+mode of use of the product.
+
+``Installation Information'' for a User Product means any methods,
+procedures, authorization keys, or other information required to
+install and execute modified versions of a covered work in that User
+Product from a modified version of its Corresponding Source.  The
+information must suffice to ensure that the continued functioning of
+the modified object code is in no case prevented or interfered with
+solely because modification has been made.
+
+If you convey an object code work under this section in, or with, or
+specifically for use in, a User Product, and the conveying occurs as
+part of a transaction in which the right of possession and use of the
+User Product is transferred to the recipient in perpetuity or for a
+fixed term (regardless of how the transaction is characterized), the
+Corresponding Source conveyed under this section must be accompanied
+by the Installation Information.  But this requirement does not apply
+if neither you nor any third party retains the ability to install
+modified object code on the User Product (for example, the work has
+been installed in ROM).
+
+The requirement to provide Installation Information does not include a
+requirement to continue to provide support service, warranty, or
+updates for a work that has been modified or installed by the
+recipient, or for the User Product in which it has been modified or
+installed.  Access to a network may be denied when the modification
+itself materially and adversely affects the operation of the network
+or violates the rules and protocols for communication across the
+network.
+
+Corresponding Source conveyed, and Installation Information provided,
+in accord with this section must be in a format that is publicly
+documented (and with an implementation available to the public in
+source code form), and must require no special password or key for
+unpacking, reading or copying.
+
+@item Additional Terms.
+
+``Additional permissions'' are terms that supplement the terms of this
+License by making exceptions from one or more of its conditions.
+Additional permissions that are applicable to the entire Program shall
+be treated as though they were included in this License, to the extent
+that they are valid under applicable law.  If additional permissions
+apply only to part of the Program, that part may be used separately
+under those permissions, but the entire Program remains governed by
+this License without regard to the additional permissions.
+
+When you convey a copy of a covered work, you may at your option
+remove any additional permissions from that copy, or from any part of
+it.  (Additional permissions may be written to require their own
+removal in certain cases when you modify the work.)  You may place
+additional permissions on material, added by you to a covered work,
+for which you have or can give appropriate copyright permission.
+
+Notwithstanding any other provision of this License, for material you
+add to a covered work, you may (if authorized by the copyright holders
+of that material) supplement the terms of this License with terms:
+
+@enumerate a
+@item
+Disclaiming warranty or limiting liability differently from the terms
+of sections 15 and 16 of this License; or
+
+@item
+Requiring preservation of specified reasonable legal notices or author
+attributions in that material or in the Appropriate Legal Notices
+displayed by works containing it; or
+
+@item
+Prohibiting misrepresentation of the origin of that material, or
+requiring that modified versions of such material be marked in
+reasonable ways as different from the original version; or
+
+@item
+Limiting the use for publicity purposes of names of licensors or
+authors of the material; or
+
+@item
+Declining to grant rights under trademark law for use of some trade
+names, trademarks, or service marks; or
+
+@item
+Requiring indemnification of licensors and authors of that material by
+anyone who conveys the material (or modified versions of it) with
+contractual assumptions of liability to the recipient, for any
+liability that these contractual assumptions directly impose on those
+licensors and authors.
+@end enumerate
+
+All other non-permissive additional terms are considered ``further
+restrictions'' within the meaning of section 10.  If the Program as you
+received it, or any part of it, contains a notice stating that it is
+governed by this License along with a term that is a further
+restriction, you may remove that term.  If a license document contains
+a further restriction but permits relicensing or conveying under this
+License, you may add to a covered work material governed by the terms
+of that license document, provided that the further restriction does
+not survive such relicensing or conveying.
+
+If you add terms to a covered work in accord with this section, you
+must place, in the relevant source files, a statement of the
+additional terms that apply to those files, or a notice indicating
+where to find the applicable terms.
+
+Additional terms, permissive or non-permissive, may be stated in the
+form of a separately written license, or stated as exceptions; the
+above requirements apply either way.
+
+@item Termination.
+
+You may not propagate or modify a covered work except as expressly
+provided under this License.  Any attempt otherwise to propagate or
+modify it is void, and will automatically terminate your rights under
+this License (including any patent licenses granted under the third
+paragraph of section 11).
+
+However, if you cease all violation of this License, then your license
+from a particular copyright holder is reinstated (a) provisionally,
+unless and until the copyright holder explicitly and finally
+terminates your license, and (b) permanently, if the copyright holder
+fails to notify you of the violation by some reasonable means prior to
+60 days after the cessation.
+
+Moreover, your license from a particular copyright holder is
+reinstated permanently if the copyright holder notifies you of the
+violation by some reasonable means, this is the first time you have
+received notice of violation of this License (for any work) from that
+copyright holder, and you cure the violation prior to 30 days after
+your receipt of the notice.
+
+Termination of your rights under this section does not terminate the
+licenses of parties who have received copies or rights from you under
+this License.  If your rights have been terminated and not permanently
+reinstated, you do not qualify to receive new licenses for the same
+material under section 10.
+
+@item Acceptance Not Required for Having Copies.
+
+You are not required to accept this License in order to receive or run
+a copy of the Program.  Ancillary propagation of a covered work
+occurring solely as a consequence of using peer-to-peer transmission
+to receive a copy likewise does not require acceptance.  However,
+nothing other than this License grants you permission to propagate or
+modify any covered work.  These actions infringe copyright if you do
+not accept this License.  Therefore, by modifying or propagating a
+covered work, you indicate your acceptance of this License to do so.
+
+@item Automatic Licensing of Downstream Recipients.
+
+Each time you convey a covered work, the recipient automatically
+receives a license from the original licensors, to run, modify and
+propagate that work, subject to this License.  You are not responsible
+for enforcing compliance by third parties with this License.
+
+An ``entity transaction'' is a transaction transferring control of an
+organization, or substantially all assets of one, or subdividing an
+organization, or merging organizations.  If propagation of a covered
+work results from an entity transaction, each party to that
+transaction who receives a copy of the work also receives whatever
+licenses to the work the party's predecessor in interest had or could
+give under the previous paragraph, plus a right to possession of the
+Corresponding Source of the work from the predecessor in interest, if
+the predecessor has it or can get it with reasonable efforts.
+
+You may not impose any further restrictions on the exercise of the
+rights granted or affirmed under this License.  For example, you may
+not impose a license fee, royalty, or other charge for exercise of
+rights granted under this License, and you may not initiate litigation
+(including a cross-claim or counterclaim in a lawsuit) alleging that
+any patent claim is infringed by making, using, selling, offering for
+sale, or importing the Program or any portion of it.
+
+@item Patents.
+
+A ``contributor'' is a copyright holder who authorizes use under this
+License of the Program or a work on which the Program is based.  The
+work thus licensed is called the contributor's ``contributor version''.
+
+A contributor's ``essential patent claims'' are all patent claims owned
+or controlled by the contributor, whether already acquired or
+hereafter acquired, that would be infringed by some manner, permitted
+by this License, of making, using, or selling its contributor version,
+but do not include claims that would be infringed only as a
+consequence of further modification of the contributor version.  For
+purposes of this definition, ``control'' includes the right to grant
+patent sublicenses in a manner consistent with the requirements of
+this License.
+
+Each contributor grants you a non-exclusive, worldwide, royalty-free
+patent license under the contributor's essential patent claims, to
+make, use, sell, offer for sale, import and otherwise run, modify and
+propagate the contents of its contributor version.
+
+In the following three paragraphs, a ``patent license'' is any express
+agreement or commitment, however denominated, not to enforce a patent
+(such as an express permission to practice a patent or covenant not to
+sue for patent infringement).  To ``grant'' such a patent license to a
+party means to make such an agreement or commitment not to enforce a
+patent against the party.
+
+If you convey a covered work, knowingly relying on a patent license,
+and the Corresponding Source of the work is not available for anyone
+to copy, free of charge and under the terms of this License, through a
+publicly available network server or other readily accessible means,
+then you must either (1) cause the Corresponding Source to be so
+available, or (2) arrange to deprive yourself of the benefit of the
+patent license for this particular work, or (3) arrange, in a manner
+consistent with the requirements of this License, to extend the patent
+license to downstream recipients.  ``Knowingly relying'' means you have
+actual knowledge that, but for the patent license, your conveying the
+covered work in a country, or your recipient's use of the covered work
+in a country, would infringe one or more identifiable patents in that
+country that you have reason to believe are valid.
+
+If, pursuant to or in connection with a single transaction or
+arrangement, you convey, or propagate by procuring conveyance of, a
+covered work, and grant a patent license to some of the parties
+receiving the covered work authorizing them to use, propagate, modify
+or convey a specific copy of the covered work, then the patent license
+you grant is automatically extended to all recipients of the covered
+work and works based on it.
+
+A patent license is ``discriminatory'' if it does not include within the
+scope of its coverage, prohibits the exercise of, or is conditioned on
+the non-exercise of one or more of the rights that are specifically
+granted under this License.  You may not convey a covered work if you
+are a party to an arrangement with a third party that is in the
+business of distributing software, under which you make payment to the
+third party based on the extent of your activity of conveying the
+work, and under which the third party grants, to any of the parties
+who would receive the covered work from you, a discriminatory patent
+license (a) in connection with copies of the covered work conveyed by
+you (or copies made from those copies), or (b) primarily for and in
+connection with specific products or compilations that contain the
+covered work, unless you entered into that arrangement, or that patent
+license was granted, prior to 28 March 2007.
+
+Nothing in this License shall be construed as excluding or limiting
+any implied license or other defenses to infringement that may
+otherwise be available to you under applicable patent law.
+
+@item No Surrender of Others' Freedom.
+
+If conditions are imposed on you (whether by court order, agreement or
+otherwise) that contradict the conditions of this License, they do not
+excuse you from the conditions of this License.  If you cannot convey
+a covered work so as to satisfy simultaneously your obligations under
+this License and any other pertinent obligations, then as a
+consequence you may not convey it at all.  For example, if you agree
+to terms that obligate you to collect a royalty for further conveying
+from those to whom you convey the Program, the only way you could
+satisfy both those terms and this License would be to refrain entirely
+from conveying the Program.
+
+@item Use with the GNU Affero General Public License.
+
+Notwithstanding any other provision of this License, you have
+permission to link or combine any covered work with a work licensed
+under version 3 of the GNU Affero General Public License into a single
+combined work, and to convey the resulting work.  The terms of this
+License will continue to apply to the part which is the covered work,
+but the special requirements of the GNU Affero General Public License,
+section 13, concerning interaction through a network will apply to the
+combination as such.
+
+@item Revised Versions of this License.
+
+The Free Software Foundation may publish revised and/or new versions
+of the GNU General Public License from time to time.  Such new
+versions will be similar in spirit to the present version, but may
+differ in detail to address new problems or concerns.
+
+Each version is given a distinguishing version number.  If the Program
+specifies that a certain numbered version of the GNU General Public
+License ``or any later version'' applies to it, you have the option of
+following the terms and conditions either of that numbered version or
+of any later version published by the Free Software Foundation.  If
+the Program does not specify a version number of the GNU General
+Public License, you may choose any version ever published by the Free
+Software Foundation.
+
+If the Program specifies that a proxy can decide which future versions
+of the GNU General Public License can be used, that proxy's public
+statement of acceptance of a version permanently authorizes you to
+choose that version for the Program.
+
+Later license versions may give you additional or different
+permissions.  However, no additional obligations are imposed on any
+author or copyright holder as a result of your choosing to follow a
+later version.
+
+@item Disclaimer of Warranty.
+
+THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
+APPLICABLE LAW@.  EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
+HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM ``AS IS'' WITHOUT
+WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE@.  THE ENTIRE RISK AS TO THE QUALITY AND
+PERFORMANCE OF THE PROGRAM IS WITH YOU@.  SHOULD THE PROGRAM PROVE
+DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING, REPAIR OR
+CORRECTION.
+
+@item Limitation of Liability.
+
+IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
+WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR
+CONVEYS THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES,
+INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES
+ARISING OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT
+NOT LIMITED TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR
+LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM
+TO OPERATE WITH ANY OTHER PROGRAMS), EVEN IF SUCH HOLDER OR OTHER
+PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+
+@item Interpretation of Sections 15 and 16.
+
+If the disclaimer of warranty and limitation of liability provided
+above cannot be given local legal effect according to their terms,
+reviewing courts shall apply local law that most closely approximates
+an absolute waiver of all civil liability in connection with the
+Program, unless a warranty or assumption of liability accompanies a
+copy of the Program in return for a fee.
+
+@end enumerate
+
+@heading END OF TERMS AND CONDITIONS
+
+@heading How to Apply These Terms to Your New Programs
+
+If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these
+terms.
+
+To do so, attach the following notices to the program.  It is safest
+to attach them to the start of each source file to most effectively
+state the exclusion of warranty; and each file should have at least
+the ``copyright'' line and a pointer to where the full notice is found.
+
+@smallexample
+@var{one line to give the program's name and a brief idea of what it does.}
+Copyright (C) @var{year} @var{name of author}
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or (at
+your option) any later version.
+
+This program is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE@.  See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see @url{http://www.gnu.org/licenses/}.
+@end smallexample
+
+Also add information on how to contact you by electronic and paper mail.
+
+If the program does terminal interaction, make it output a short
+notice like this when it starts in an interactive mode:
+
+@smallexample
+@var{program} Copyright (C) @var{year} @var{name of author}
+This program comes with ABSOLUTELY NO WARRANTY; for details type @samp{show w}.
+This is free software, and you are welcome to redistribute it
+under certain conditions; type @samp{show c} for details.
+@end smallexample
+
+The hypothetical commands @samp{show w} and @samp{show c} should show
+the appropriate parts of the General Public License.  Of course, your
+program's commands might be different; for a GUI interface, you would
+use an ``about box''.
+
+You should also get your employer (if you work as a programmer) or school,
+if any, to sign a ``copyright disclaimer'' for the program, if necessary.
+For more information on this, and how to apply and follow the GNU GPL, see
+@url{http://www.gnu.org/licenses/}.
+
+The GNU General Public License does not permit incorporating your
+program into proprietary programs.  If your program is a subroutine
+library, you may consider it more useful to permit linking proprietary
+applications with the library.  If this is what you want to do, use
+the GNU Lesser General Public License instead of this License.  But
+first, please read @url{http://www.gnu.org/philosophy/why-not-lgpl.html}.
diff --git a/doc/htmlxref.cnf b/doc/htmlxref.cnf
new file mode 100644
index 0000000..a4928f6
--- /dev/null
+++ b/doc/htmlxref.cnf
@@ -0,0 +1,668 @@
+# htmlxref.cnf - reference file for free Texinfo manuals on the web.
+# Modified by Ludovic Courtès <ludo@gnu.org> for the GNU Guix manual.
+# Modified by ng0 <ng0@gnunet.org> for the GNUnet manual.
+
+htmlxrefversion=2017-10-26.06; # UTC
+
+# Copyright 2010, 2011, 2012, 2013, 2014, 2015 Free Software Foundation, Inc.
+# 
+# Copying and distribution of this file, with or without modification,
+# are permitted in any medium without royalty provided the copyright
+# notice and this notice are preserved.
+#
+# The latest version of this file is available at
+# http://ftpmirror.gnu.org/texinfo/htmlxref.cnf.
+# Email corrections or additions to bug-texinfo@gnu.org.
+# The primary goal is to list all relevant GNU manuals;
+# other free manuals are also welcome.
+#
+# To be included in this list, a manual must:
+#
+# - have a generic url, e.g., no version numbers;
+# - have a unique file name (e.g., manual identifier), i.e., be related to the
+#   package name.  Things like "refman" or "tutorial" don't work.
+# - follow the naming convention for nodes described at
+# http://www.gnu.org/software/texinfo/manual/texinfo/html_node/HTML-Xref.html
+#   This is what makeinfo and texi2html implement.
+# 
+# Unless the above criteria are met, it's not possible to generate
+# reliable cross-manual references.
+# 
+# For information on automatically generating all the useful formats for
+# a manual to put on the web, see
+# http://www.gnu.org/prep/maintain/html_node/Manuals-on-Web-Pages.html.
+
+# For people editing this file: when a manual named foo is related to a
+# package named bar, the url should contain a variable reference ${BAR}.
+# Otherwise, the gnumaint scripts have no way of knowing they are
+# associated, and thus gnu.org/manual can't include them.
+
+# shorten references to manuals on www.gnu.org.
+G = https://www.gnu.org
+GS = ${G}/software
+
+3dldf           mono    ${GS}/3dldf/manual/user_ref/3DLDF.html
+3dldf           node    ${GS}/3dldf/manual/user_ref/
+
+alive           mono    ${GS}/alive/manual/alive.html
+alive           node    ${GS}/alive/manual/html_node/
+
+anubis          chapter ${GS}/anubis/manual/html_chapter/
+anubis          section ${GS}/anubis/manual/html_section/
+anubis          node    ${GS}/anubis/manual/html_node/
+
+artanis         mono    ${GS}/artanis/manual/artanis.html
+artanis         node    ${GS}/artanis/manual/html_node/
+
+aspell          section http://aspell.net/man-html/index.html
+
+auctex          mono    ${GS}/auctex/manual/auctex.html
+auctex          node    ${GS}/auctex/manual/auctex/
+
+autoconf        mono    ${GS}/autoconf/manual/autoconf.html
+autoconf        node    ${GS}/autoconf/manual/html_node/
+
+autogen         mono    ${GS}/autogen/manual/html_mono/autogen.html
+autogen         chapter ${GS}/autogen/manual/html_chapter/
+autogen         node    ${GS}/autoconf/manual/html_node/
+
+automake        mono    ${GS}/automake/manual/automake.html
+automake        node    ${GS}/automake/manual/html_node/
+
+avl             node    http://www.stanford.edu/~blp/avl/libavl.html/
+
+bash            mono    ${GS}/bash/manual/bash.html
+bash            node    ${GS}/bash/manual/html_node/
+
+BINUTILS = http://sourceware.org/binutils/docs
+binutils        node    ${BINUTILS}/binutils/
+ as             node    ${BINUTILS}/as/
+ bfd            node    ${BINUTILS}/bfd/
+ gprof          node    ${BINUTILS}/gprof/
+ ld             node    ${BINUTILS}/ld/
+
+bison           mono    ${GS}/bison/manual/bison.html
+bison           node    ${GS}/bison/manual/html_node/
+
+bpel2owfn       mono    ${GS}/bpel2owfn/manual/2.0.x/bpel2owfn.html
+
+ccd2cue         mono    ${GS}/ccd2cue/manual/ccd2cue.html
+ccd2cue         node    ${GS}/ccd2cue/manual/html_node/
+
+cflow           mono    ${GS}/cflow/manual/cflow.html
+cflow           node    ${GS}/cflow/manual/html_node/
+
+chess           mono    ${GS}/chess/manual/gnuchess.html
+chess           node    ${GS}/chess/manual/html_node/
+
+combine         mono    ${GS}/combine/manual/combine.html
+combine         chapter ${GS}/combine/manual/html_chapter/
+combine         section ${GS}/combine/manual/html_section/
+combine         node    ${GS}/combine/manual/html_node/
+
+complexity      mono    ${GS}/complexity/manual/complexity.html
+complexity      node    ${GS}/complexity/manual/html_node/
+
+coreutils       mono    ${GS}/coreutils/manual/coreutils
+coreutils       node    ${GS}/coreutils/manual/html_node/
+
+cpio            mono    ${GS}/cpio/manual/cpio
+cpio            node    ${GS}/cpio/manual/html_node/
+
+cssc            node    ${GS}/cssc/manual/
+
+#cvs cannot be handled here; see http://ximbiot.com/cvs/manual.
+
+ddd             mono    ${GS}/ddd/manual/html_mono/ddd.html
+
+ddrescue        mono    ${GS}/ddrescue/manual/ddrescue_manual.html
+
+DICO = http://puszcza.gnu.org.ua/software/dico/manual
+dico            mono    ${DICO}/dico.html
+dico            chapter ${DICO}/html_chapter/
+dico            section ${DICO}/html_section/
+dico            node    ${DICO}/html_node/
+
+diffutils       mono    ${GS}/diffutils/manual/diffutils
+diffutils       node    ${GS}/diffutils/manual/html_node/
+
+ed              mono    ${GS}/ed/manual/ed_manual.html
+
+EMACS = ${GS}/emacs/manual
+emacs           mono    ${EMACS}/html_mono/emacs.html
+emacs           node    ${EMACS}/html_node/emacs/
+ #
+ ada-mode       mono    ${EMACS}/html_mono/ada-mode.html
+ ada-mode       node    ${EMACS}/html_node/ada-mode/
+ #
+ autotype       mono    ${EMACS}/html_mono/autotype.html
+ autotype       node    ${EMACS}/html_node/autotype/
+ #
+ ccmode         mono    ${EMACS}/html_mono/ccmode.html
+ ccmode         node    ${EMACS}/html_node/ccmode/
+ #
+ cl             mono    ${EMACS}/html_mono/cl.html
+ cl             node    ${EMACS}/html_node/cl/
+ #
+ ebrowse        mono    ${EMACS}/html_mono/ebrowse.html
+ ebrowse        node    ${EMACS}/html_node/ebrowse/
+ #
+ ediff          mono    ${EMACS}/html_mono/ediff.html
+ ediff          node    ${EMACS}/html_node/ediff/
+ #
+ eieio          mono    ${EMACS}/html_mono/eieio.html
+ eieio          node    ${EMACS}/html_node/eieio/
+ #
+ elisp          mono    ${EMACS}/html_mono/elisp.html
+ elisp          node    ${EMACS}/html_node/elisp/
+ #
+ epa            mono    ${EMACS}/html_mono/epa.html
+ epa            node    ${EMACS}/html_node/epa/
+ #
+ erc            mono    ${EMACS}/html_mono/erc.html
+ erc            node    ${EMACS}/html_node/erc/
+ #
+ dired-x        mono    ${EMACS}/html_mono/dired-x.html
+ dired-x        node    ${EMACS}/html_node/dired-x/
+ #
+ eshell         mono    ${EMACS}/html_mono/eshell.html
+ eshell         node    ${EMACS}/html_node/eshell/
+ #
+ flymake        mono    ${EMACS}/html_mono/flymake.html
+ flymake        node    ${EMACS}/html_node/flymake/
+ #
+ gnus           mono    ${EMACS}/html_mono/gnus.html
+ gnus           node    ${EMACS}/html_node/gnus/
+ #
+ idlwave        mono    ${EMACS}/html_mono/idlwave.html
+ idlwave        node    ${EMACS}/html_node/idlwave/
+ #
+ message        mono    ${EMACS}/html_mono/message.html
+ message        node    ${EMACS}/html_node/message/
+ #
+ mh-e           mono    ${EMACS}/html_mono/mh-e.html
+ mh-e           node    ${EMACS}/html_node/mh-e/
+ #
+ nxml-mode      mono    ${EMACS}/html_mono/nxml-mode.html
+ nxml-mode      node    ${EMACS}/html_node/nxml-mode/
+ #
+ org            mono    ${EMACS}/html_mono/org.html
+ org            node    ${EMACS}/html_node/org/
+ #
+ pcl-cvs        mono    ${EMACS}/html_mono/pcl-cvs.html
+ pcl-cvs        node    ${EMACS}/html_node/pcl-cvs/
+ #
+ rcirc          mono    ${EMACS}/html_mono/rcirc.html
+ rcirc          node    ${EMACS}/html_node/rcirc/
+ #
+ semantic       mono    ${EMACS}/html_mono/semantic.html
+ semantic       node    ${EMACS}/html_node/semantic/
+ #
+ smtp           mono    ${EMACS}/html_mono/smtpmail.html
+ smtp           node    ${EMACS}/html_node/smtpmail/
+ #
+ speedbar       mono    ${EMACS}/html_mono/speedbar.html
+ speedbar       node    ${EMACS}/html_node/speedbar/
+ #
+ tramp          mono    ${EMACS}/html_mono/tramp.html
+ tramp          node    ${EMACS}/html_node/tramp/
+ #
+ vip            mono    ${EMACS}/html_mono/vip.html
+ vip            node    ${EMACS}/html_node/vip/
+ #
+ viper          mono    ${EMACS}/html_mono/viper.html
+ viper          node    ${EMACS}/html_node/viper/
+ #
+ woman          mono    ${EMACS}/html_mono/woman.html
+ woman          node    ${EMACS}/html_node/woman/
+ # (end emacs manuals)
+
+easejs          mono    ${GS}/easejs/manual/easejs.html
+easejs          node    ${GS}/easejs/manual/
+
+EMACS_GUIX = https://alezost.github.io/guix.el/manual/latest
+emacs-guix      mono    ${EMACS_GUIX}/emacs-guix.html
+emacs-guix      node    ${EMACS_GUIX}/html_node/
+
+emacs-muse      node    ${GS}/emacs-muse/manual/muse.html
+emacs-muse      node    ${GS}/emacs-muse/manual/html_node/
+
+emms            node    ${GS}/emms/manual/
+
+# The file is called 'find.info' but the package is 'findutils'.
+find            mono    ${GS}/findutils/manual/html_mono/find.html
+find            node    ${GS}/findutils/manual/html_node/find_html
+findutils       mono    ${GS}/findutils/manual/html_mono/find.html
+findutils       node    ${GS}/findutils/manual/html_node/find_html
+
+FLEX = http://flex.sourceforge.net
+flex            node    ${FLEX}/manual/
+
+gama            mono    ${GS}/gama/manual/gama.html
+gama            node    ${GS}/gama/manual/html_node/
+
+GAWK = ${GS}/gawk/manual
+gawk            mono    ${GAWK}/gawk.html
+gawk            node    ${GAWK}/html_node/
+ gawkinet       mono    ${GAWK}/gawkinet/gawkinet.html
+ gawkinet       node    ${GAWK}/gawkinet/html_node/
+
+gcal            mono    ${GS}/gcal/manual/gcal.html
+gcal            node    ${GS}/gcal/manual/html_node/
+
+GCC = http://gcc.gnu.org/onlinedocs
+gcc             node    ${GCC}/gcc/
+ cpp            node    ${GCC}/cpp/
+ gcj            node    ${GCC}/gcj/
+ gfortran       node    ${GCC}/gfortran/
+ gnat_rm        node    ${GCC}/gnat_rm/
+ gnat_ugn_unw   node    ${GCC}/gnat_ugn_unw/
+ libgomp        node    ${GCC}/libgomp/
+ libstdc++      node    ${GCC}/libstdc++/
+ #
+ gccint         node    ${GCC}/gccint/
+ cppinternals   node    ${GCC}/cppinternals/
+ gfc-internals  node    ${GCC}/gfc-internals/
+ gnat-style     node    ${GCC}/gnat-style/
+ libiberty      node    ${GCC}/libiberty/
+
+GDB = http://sourceware.org/gdb/current/onlinedocs
+gdb             node    ${GDB}/gdb/
+ stabs          node    ${GDB}/stabs/
+
+GDBM = http://www.gnu.org.ua/software/gdbm/manual
+gdbm            mono    ${GDBM}/gdbm.html
+gdbm            chapter ${GDBM}/html_chapter/
+gdbm            section ${GDBM}/html_section/
+gdbm            node    ${GDBM}/html_node/
+
+gettext         mono    ${GS}/gettext/manual/gettext.html
+gettext         node    ${GS}/gettext/manual/html_node/
+
+gforth          node    http://www.complang.tuwien.ac.at/forth/gforth/Docs-html/
+
+global          mono    ${GS}/global/manual/global.html
+
+gmediaserver    node    ${GS}/gmediaserver/manual/
+
+gmp             node    http://www.gmplib.org/manual/
+
+gnu-arch        node    ${GS}/gnu-arch/tutorial/
+
+gnu-c-manual    mono    ${GS}/gnu-c-manual/gnu-c-manual.html
+
+gnu-crypto      node    ${GS}/gnu-crypto/manual/
+
+gnubg           mono    ${GS}/gnubg/manual/gnubg.html
+gnubg           node    ${GS}/gnubg/manual/html_node/
+
+gnubik          mono    ${GS}/gnubik/manual/gnubik.html
+gnubik          node    ${GS}/gnubik/manual/html_node/
+
+gnulib          mono    ${GS}/gnulib/manual/gnulib.html
+gnulib          node    ${GS}/gnulib/manual/html_node/
+
+GNUN = ${GS}/trans-coord/manual
+gnun            mono    ${GNUN}/gnun/gnun.html
+gnun            node    ${GNUN}/gnun/html_node/
+ web-trans      mono    ${GNUN}/web-trans/web-trans.html
+ web-trans      node    ${GNUN}/web-trans/html_node/
+
+GNUNET = https://docs.gnunet.org/manuals
+gnunet                  node    ${GNUNET}/gnunet/
+ gnunet-c-tutorial      node    ${GNUNET}/gnunet-c-tutorial/
+ gnunet-java-tutorial   node    ${GNUNET}/gnunet-java-tutorial/
+
+GNUPG = http://www.gnupg.org/documentation/manuals
+gnupg           node    ${GNUPG}/gnupg/
+ dirmngr        node    ${GNUPG}/dirmngr/
+ gcrypt         node    ${GNUPG}/gcrypt/
+ libgcrypt      node    ${GNUPG}/gcrypt/
+ ksba           node    ${GNUPG}/ksba/
+ assuan         node    ${GNUPG}/assuan/
+ gpgme          node    ${GNUPG}/gpgme/
+
+gnuprologjava   node    ${GS}/gnuprologjava/manual/
+
+gnuschool       mono    ${GS}/gnuschool/gnuschool.html
+
+GNUSTANDARDS = ${G}/prep
+ maintain       mono    ${GNUSTANDARDS}/maintain/maintain.html
+ maintain       node    ${GNUSTANDARDS}/maintain/html_node/
+ #
+ standards      mono    ${GNUSTANDARDS}/standards/standards.html
+ standards      node    ${GNUSTANDARDS}/standards/html_node/
+
+gnutls          mono    http://gnutls.org/manual/gnutls.html
+gnutls          node    http://gnutls.org/manual/html_node/
+
+gnutls-guile    mono    http://gnutls.org/manual/gnutls-guile.html
+gnutls-guile    node    http://gnutls.org/manual/gnutls-guile/
+
+gperf           mono    ${GS}/gperf/manual/gperf.html
+gperf           node    ${GS}/gperf/manual/html_node/
+
+grep            mono    ${GS}/grep/manual/grep.html
+grep            node    ${GS}/grep/manual/html_node/
+
+groff           node    ${GS}/groff/manual/html_node/
+
+GRUB = ${GS}/grub/manual
+  grub          mono    ${GRUB}/grub.html
+  grub          node    ${GRUB}/html_node/
+  #
+  multiboot     mono    ${GRUB}/multiboot/multiboot.html
+  multiboot     node    ${GRUB}/multiboot/html_node/
+
+gsasl           mono    ${GS}/gsasl/manual/gsasl.html
+gsasl           node    ${GS}/gsasl/manual/html_node/
+
+gsl             node    ${GS}/gsl/manual/html_node/
+
+gsrc            mono    ${GS}/gsrc/manual/gsrc.html
+gsrc            node    ${GS}/gsrc/manual/html_node/
+
+gss             mono    ${GS}/gss/manual/gss.html
+gss             node    ${GS}/gss/manual/html_node/
+
+gtypist         mono    ${GS}/gtypist/doc/
+
+guile           mono    ${GS}/guile/manual/guile.html
+guile           node    ${GS}/guile/manual/html_node/
+
+guile-avahi     mono    http://nongnu.org/guile-avahi/doc/guile-avahi.html
+
+GUILE_GNOME = ${GS}/guile-gnome/docs
+ gobject        node    ${GUILE_GNOME}/gobject/html/
+ glib           node    ${GUILE_GNOME}/glib/html/
+ atk            node    ${GUILE_GNOME}/atk/html/
+ pango          node    ${GUILE_GNOME}/pango/html/
+ pangocairo     node    ${GUILE_GNOME}/pangocairo/html/
+ gdk            node    ${GUILE_GNOME}/gdk/html/
+ gtk            node    ${GUILE_GNOME}/gtk/html/
+ libglade       node    ${GUILE_GNOME}/libglade/html/
+ gnome-vfs      node    ${GUILE_GNOME}/gnome-vfs/html/
+ libgnomecanvas node    ${GUILE_GNOME}/libgnomecanvas/html/
+ gconf          node    ${GUILE_GNOME}/gconf/html/
+ libgnome       node    ${GUILE_GNOME}/libgnome/html/
+ libgnomeui     node    ${GUILE_GNOME}/libgnomeui/html/
+ corba          node    ${GUILE_GNOME}/corba/html/
+ clutter        node    ${GUILE_GNOME}/clutter/html/
+ clutter-glx    node    ${GUILE_GNOME}/clutter-glx/html/
+
+guile-gtk       node    ${GS}/guile-gtk/docs/guile-gtk/
+
+guile-rpc       mono    ${GS}/guile-rpc/manual/guile-rpc.html
+guile-rpc       node    ${GS}/guile-rpc/manual/html_node/
+
+guix            mono    ${GS}/guix/manual/guix.html
+guix            node    ${GS}/guix/manual/html_node/
+
+gv              mono    ${GS}/gv/manual/gv.html
+gv              node    ${GS}/gv/manual/html_node/
+
+gzip            mono    ${GS}/gzip/manual/gzip.html
+gzip            node    ${GS}/gzip/manual/html_node/
+
+hello           mono    ${GS}/hello/manual/hello.html
+hello           node    ${GS}/hello/manual/html_node/
+
+help2man        mono    ${GS}/help2man/help2man.html
+
+idutils         mono    ${GS}/idutils/manual/idutils.html
+idutils         node    ${GS}/idutils/manual/html_node/
+
+inetutils       mono    ${GS}/inetutils/manual/inetutils.html
+inetutils       node    ${GS}/inetutils/manual/html_node/
+
+jwhois          mono    ${GS}/jwhois/manual/jwhois.html
+jwhois          node    ${GS}/jwhois/manual/html_node/
+
+libc            mono    ${GS}/libc/manual/html_mono/libc.html
+libc            node    ${GS}/libc/manual/html_node/
+
+LIBCDIO = ${GS}/libcdio
+ libcdio        mono    ${LIBCDIO}/libcdio.html
+ cd-text        mono    ${LIBCDIO}/cd-text-format.html
+
+libextractor    mono    ${GS}/libextractor/manual/libextractor.html
+libextractor    node    ${GS}/libextractor/manual/html_node/
+
+libidn          mono    ${GS}/libidn/manual/libidn.html
+libidn          node    ${GS}/libidn/manual/html_node/
+
+librejs         mono    ${GS}/librejs/manual/librejs.html
+librejs         node    ${GS}/librejs/manual/html_node/
+
+libmatheval     mono    ${GS}/libmatheval/manual/libmatheval.html
+
+LIBMICROHTTPD = ${GS}/libmicrohttpd
+libmicrohttpd           mono    ${LIBMICROHTTPD}/manual/libmicrohttpd.html
+libmicrohttpd           node    ${LIBMICROHTTPD}/manual/html_node/
+ microhttpd-tutorial    mono    ${LIBMICROHTTPD}/tutorial.html
+
+libtasn1        mono    ${GS}/libtasn1/manual/libtasn1.html
+libtasn1        node    ${GS}/libtasn1/manual/html_node/
+
+libtool         mono    ${GS}/libtool/manual/libtool.html
+libtool         node    ${GS}/libtool/manual/html_node/
+
+lightning       mono    ${GS}/lightning/manual/lightning.html
+lightning       node    ${GS}/lightning/manual/html_node/
+
+# The stable/ url redirects immediately, but that's ok.
+# The .html extension is omitted on their web site, but it works if given.
+LILYPOND = http://lilypond.org/doc/stable/Documentation
+ lilypond-internals     node ${LILYPOND}/internals/
+ lilypond-learning      node ${LILYPOND}/learning/
+ lilypond-notation      node ${LILYPOND}/notation/
+ lilypond-snippets      node ${LILYPOND}/snippets/
+ lilypond-usage         node ${LILYPOND}/usage/
+ lilypond-web           node ${LILYPOND}/web/
+ music-glossary         node ${LILYPOND}/music-glossary/
+
+liquidwar6      mono    ${GS}/liquidwar6/manual/liquidwar6.html
+liquidwar6      node    ${GS}/liquidwar6/manual/html_node/
+
+lispintro       mono    ${GS}/emacs/emacs-lisp-intro/html_mono/emacs-lisp-intro.html
+lispintro       node    ${GS}/emacs/emacs-lisp-intro/html_node/index.html
+
+LSH = http://www.lysator.liu.se/~nisse/lsh
+  lsh           mono    ${LSH}/lsh.html
+
+m4              mono    ${GS}/m4/manual/m4.html
+m4              node    ${GS}/m4/manual/html_node/
+
+mailutils       mono    ${GS}/mailutils/manual/mailutils.html
+mailutils       chapter ${GS}/mailutils/manual/html_chapter/
+mailutils       section ${GS}/mailutils/manual/html_section/
+mailutils       node    ${GS}/mailutils/manual/html_node/
+
+make            mono    ${GS}/make/manual/make.html
+make            node    ${GS}/make/manual/html_node/
+
+mcron           mono    ${GS}/mcron/manual/mcron.html
+mcron           node    ${GS}/mcron/manual/html_node/
+
+mdk             mono    ${GS}/mdk/manual/mdk.html
+mdk             node    ${GS}/mdk/manual/html_node/
+
+METAEXCHANGE = http://ftp.gwdg.de/pub/gnu2/iwfmdh/doc/texinfo
+ iwf_mh         node    ${METAEXCHANGE}/iwf_mh.html
+ scantest       node    ${METAEXCHANGE}/scantest.html
+
+MIT_SCHEME = ${GS}/mit-scheme/documentation
+ mit-scheme-ref   node  ${MIT_SCHEME}/mit-scheme-ref/
+ mit-scheme-user  node  ${MIT_SCHEME}/mit-scheme-user/
+ sos              node  ${MIT_SCHEME}/mit-scheme-sos/
+ mit-scheme-imail node  ${MIT_SCHEME}/mit-scheme-imail/
+
+moe             mono    ${GS}/moe/manual/moe_manual.html
+
+motti           node    ${GS}/motti/manual/
+
+mpc             node    http://www.multiprecision.org/index.php?prog=mpc&page=html
+
+mpfr            mono    http://www.mpfr.org/mpfr-current/mpfr.html
+
+mtools          mono    ${GS}/mtools/manual/mtools.html
+
+myserver        node    http://www.myserverproject.net/documentation/
+
+nano            mono    http://www.nano-editor.org/dist/latest/nano.html
+
+nettle          chapter http://www.lysator.liu.se/~nisse/nettle/nettle.html
+
+ocrad           mono    ${GS}/ocrad/manual/ocrad_manual.html
+
+parted          mono    ${GS}/parted/manual/parted.html
+parted          node    ${GS}/parted/manual/html_node/
+
+pascal          mono    http://www.gnu-pascal.de/gpc/
+
+# can't use pcb since url's contain dates --30nov10
+
+perl            mono    ${GS}/perl/manual/perldoc-all.html
+
+PIES = http://www.gnu.org.ua/software/pies/manual
+pies            mono    ${PIES}/pies.html
+pies            chapter ${PIES}/html_chapter/
+pies            section ${PIES}/html_section/
+pies            node    ${PIES}/html_node/
+
+plotutils       mono    ${GS}/plotutils/manual/en/plotutils.html
+plotutils       node    ${GS}/plotutils/manual/en/html_node/
+
+proxyknife      mono    ${GS}/proxyknife/manual/proxyknife.html
+proxyknife      node    ${GS}/proxyknife/manual/html_node/
+
+pspp            mono    ${GS}/pspp/manual/pspp.html
+pspp            node    ${GS}/pspp/manual/html_node/
+
+pyconfigure     mono    ${GS}/pyconfigure/manual/pyconfigure.html
+pyconfigure     node    ${GS}/pyconfigure/manual/html_node/
+
+R = http://cran.r-project.org/doc/manuals
+ R-intro        mono    ${R}/R-intro.html
+ R-lang         mono    ${R}/R-lang.html
+ R-exts         mono    ${R}/R-exts.html
+ R-data         mono    ${R}/R-data.html
+ R-admin        mono    ${R}/R-admin.html
+ R-ints         mono    ${R}/R-ints.html
+
+rcs             mono    ${GS}/rcs/manual/rcs.html
+rcs             node    ${GS}/rcs/manual/html_node/
+
+READLINE = http://cnswww.cns.cwru.edu/php/chet/readline
+readline        mono    ${READLINE}/readline.html
+ rluserman      mono    ${READLINE}/rluserman.html
+ history        mono    ${READLINE}/history.html
+
+recode          mono    http://recode.progiciels-bpi.ca/manual/index.html
+
+recutils        mono    ${GS}/recutils/manual/recutils.html
+recutils        node    ${GS}/recutils/manual/html_node/
+
+reftex          mono    ${GS}/auctex/manual/reftex.html
+reftex          node    ${GS}/auctex/manual/reftex/
+
+remotecontrol   mono    ${GS}/remotecontrol/manual/remotecontrol.html
+remotecontrol   node    ${GS}/remotecontrol/manual/html_node/
+
+rottlog         mono    ${GS}/rottlog/manual/rottlog.html
+rottlog         node    ${GS}/rottlog/manual/html_node/
+
+RUSH = http://www.gnu.org.ua/software/rush/manual
+rush            mono    ${RUSH}/rush.html
+rush            chapter ${RUSH}/html_chapter/
+rush            section ${RUSH}/html_section/
+rush            node    ${RUSH}/html_node/
+
+screen          mono    ${GS}/screen/manual/screen.html
+screen          node    ${GS}/screen/manual/html_node/
+
+sed             mono    ${GS}/sed/manual/sed.html
+sed             node    ${GS}/sed/manual/html_node/
+
+sharutils       mono    ${GS}/sharutils/manual/html_mono/sharutils.html
+sharutils       chapter ${GS}/sharutils/manual/html_chapter/
+sharutils       node    ${GS}/sharutils/manual/html_node/
+
+shepherd        mono    ${GS}/shepherd/manual/shepherd.html
+shepherd        node    ${GS}/shepherd/manual/html_node/
+
+# can't use mono files since they have generic names
+SMALLTALK = ${GS}/smalltalk
+smalltalk       node    ${SMALLTALK}/manual/html_node/
+ smalltalk-base node    ${SMALLTALK}/manual-base/html_node/
+ smalltalk-libs node    ${SMALLTALK}/manual-libs/html_node/
+
+sourceinstall   mono    ${GS}/sourceinstall/manual/sourceinstall.html
+sourceinstall   node    ${GS}/sourceinstall/manual/html_node/
+
+sqltutor        mono    ${GS}/sqltutor/manual/sqltutor.html
+sqltutor        node    ${GS}/sqltutor/manual/html_node/
+
+src-highlite    mono    ${GS}/src-highlite/source-highlight.html
+
+swbis           mono    ${GS}/swbis/manual.html
+
+tar             mono    ${GS}/tar/manual/tar.html
+tar             chapter ${GS}/tar/manual/html_chapter/
+tar             section ${GS}/tar/manual/html_section/
+tar             node    ${GS}/autoconf/manual/html_node/
+
+teseq           mono    ${GS}/teseq/teseq.html
+teseq           node    ${GS}/teseq/html_node/
+
+TEXINFO = ${GS}/texinfo/manual
+texinfo         mono    ${TEXINFO}/texinfo/texinfo.html
+texinfo         node    ${TEXINFO}/texinfo/html_node/
+ #
+ info           mono    ${TEXINFO}/info/info.html
+ info           node    ${TEXINFO}/info/html_node/
+ #
+ info-stnd      mono    ${TEXINFO}/info-stnd/info-stnd.html
+ info-stnd      node    ${TEXINFO}/info-stnd/html_node/
+
+thales          node    ${GS}/thales/manual/
+
+units           mono    ${GS}/units/manual/units.html
+units           node    ${GS}/units/manual/html_node/
+
+vc-dwim         mono    ${GS}/vc-dwim/manual/vc-dwim.html
+vc-dwim         node    ${GS}/vc-dwim/manual/html_node/
+
+wdiff           mono    ${GS}/wdiff/manual/wdiff.html
+wdiff           node    ${GS}/wdiff/manual/html_node/
+
+websocket4j     mono    ${GS}/websocket4j/manual/websocket4j.html
+websocket4j     node    ${GS}/websocket4j/manual/html_node/
+
+wget            mono    ${GS}/wget/manual/wget.html
+wget            node    ${GS}/wget/manual/html_node/
+
+xboard          mono    ${GS}/xboard/manual/xboard.html
+xboard          node    ${GS}/xboard/manual/html_node/
+
+# emacs-page
+# Free TeX-related Texinfo manuals on tug.org.
+
+T = http://tug.org/texinfohtml
+
+dvipng          mono    ${T}/dvipng.html
+dvips           mono    ${T}/dvips.html
+eplain          mono    ${T}/eplain.html
+kpathsea        mono    ${T}/kpathsea.html
+latex2e         mono    ${T}/latex2e.html
+tlbuild         mono    ${T}/tlbuild.html
+web2c           mono    ${T}/web2c.html
+
+
+# Local Variables:
+# eval: (add-hook 'write-file-hooks 'time-stamp)
+# time-stamp-start: "htmlxrefversion="
+# time-stamp-format: "%:y-%02m-%02d.%02H"
+# time-stamp-time-zone: "UTC"
+# time-stamp-end: "; # UTC"
+# End:
diff --git a/doc/index.html b/doc/index.html
new file mode 100644
index 0000000..dced30b
--- /dev/null
+++ b/doc/index.html
@@ -0,0 +1,34 @@
+<title>GNUnet - GNUnet Manuals and Handbooks</title>
+<h2>GNUnet - GNUnet Manuals and Handbooks</h2>
+
+<address>GNUnet e.V.</address>
+<address>Fakultät für Informatik -- I8</address>
+<address>Technische Universität München</address>
+<address>Boltzmannstraße 3</address>
+<address>85748 Garching</address>
+<address>GERMANY</address>
+
+<p>The following handbooks and manuals are available:</p>
+
+<ul>
+<li><a href="gnunet-guile/index.html">GNUnet Guile Reference Manual</li>
+</ul>
+
+<div id="footer">
+<div class="unprintable">
+
+<p>Please send general FSF &amp; GNU inquiries to
+<a href="mailto:gnu@gnu.org">&lt;gnu@gnu.org&gt;</a>.
+There are also <a href="/contact/">other ways to contact</a>
+the FSF.  Broken links and other corrections or suggestions can be sent
+to <a href="mailto:gnunet-developers@gnu.org">&lt;gnunet-developers@gnu.org&gt;</a>.</p>
+</div>
+
+<p>Copyright &copy; 2001 - 2017 GNUnet e.V.</p>
+
+<p>This page is licensed under a FIXME License.</p>
+
+</div>
+</div>
+</body>
+</html>
diff --git a/doc/run-gendocs.sh b/doc/run-gendocs.sh
new file mode 100755
index 0000000..e4976bd
--- /dev/null
+++ b/doc/run-gendocs.sh
@@ -0,0 +1,6 @@
+#!/bin/sh
+
+make version.texi
+./gendocs.sh --email gnunet-developers@gnu.org gnunet-guile "GNUnet Guile Reference Manual" -o "manual/gnunet-guile"
+cp "index.html" manual/
+printf "Success"
diff --git a/download.scm b/download.scm
new file mode 100644
index 0000000..6870463
--- /dev/null
+++ b/download.scm
@@ -0,0 +1,21 @@
+(define-module (download))
+
+(use-modules ((gnunet)))
+
+
+(define %configuration (configuration-create))
+(configuration-load! %configuration "~/src/c/gnunet/p2/p2.conf")
+
+(define %fs-handle #f)
+(define %fs-download #f)
+
+(define (progress info)
+  (pk (fs-progress-info-status info)))
+
+(scheduler-run
+ (lambda ()
+   (set! %fs-handle (fs-start %configuration "guile-gnunet" progress))
+   (set! %fs-download (fs-download-start %fs-handle
+                                         (string->uri "gnunet://fs/chk/VEY0C80H6F1PSCNYBS0WSBVN95RXBV85SV2TNJP6V4A660YRNEGCCVZWCJV575R62M9P3W8DBNNZ5HST1DWNA1SSF01BB4JGK064438.A4X3ME6MQ10Q5YVX248GM9SXQYT36B0M241R0CBCR2SW44ZHX3BJ4NPXMN297R3H00VEEQZ04JVBAB236RXJB7JA1FZFNJ89A9GJQRG.42957")
+                                         0
+                                         #:filename "/tmp/out.jpg"))))
diff --git a/gnunet.scm b/gnunet.scm
new file mode 100644
index 0000000..1c09ad6
--- /dev/null
+++ b/gnunet.scm
@@ -0,0 +1,480 @@
+;;;; -*- mode: Scheme; indent-tabs-mode: nil; fill-column: 80; -*-
+;;;;
+;;;; Copyright © 2018 Amirouche Boubekki <amirouche@hypermove.net>
+;;;;
+;;;; This program is free software: you can redistribute it and/or modify
+;;;; it under the terms of the GNU General Public License as published by
+;;;; the Free Software Foundation, either version 3 of the License, or
+;;;; (at your option) any later version.
+;;;;
+;;;; This program is distributed in the hope that it will be useful,
+;;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+;;;; GNU General Public License for more details.
+;;;;
+;;;; You should have received a copy of the GNU General Public License
+;;;; along with this program.  If not, see <http://www.gnu.org/licenses/>.
+(define-module (gnunet))
+
+(use-modules ((system foreign) #:prefix ffi:))
+(use-modules ((bytestructures guile)))
+
+(use-modules (gnunet config))
+
+
+(define* (dynamic-link* #:optional library-name)
+  (let ((shared-object (if library-name (dynamic-link library-name) (dynamic-link))))
+    (lambda (return-value function-name . arguments)
+      (let ((function (dynamic-func function-name shared-object)))
+        (ffi:pointer->procedure return-value function arguments)))))
+
+;; FIXME: this MUST NOT be public, expose exceptions instead
+(define-public %gnunet-ok 1)
+(define-public %gnunet-system-error -1)
+(define-public %gnunet-yes 1)
+(define-public %gnunet-no 0)
+
+(define (check value . message)
+  "Throw a 'gnunet-error if value is not %gnunet-ok aka. 1"
+  (unless (eq? value %gnunet-ok)
+    (throw 'gnunet-error message)))
+
+(define (check2 value . message)
+  "If value is a %null-pointer throw a 'gnunet-error. Return the value
+otherwise"
+  (if (eq? value ffi:%null-pointer)
+      (throw 'gnunet-error message)
+      value))
+
+;; bytestructures helper
+
+(define (pointer->bytestructure desc pointer)
+  (let ((size (bytestructure-descriptor-size desc)))
+    (let ((bv (ffi:pointer->bytevector pointer size)))
+      (make-bytestructure bv 0 desc))))
+
+;;; gnunet-util bindings, gnunet_util_lib.h
+
+(define util (dynamic-link* %libgnunet-util))
+
+;; common
+
+(define-public %scheduler-priority-keep 0)
+(define-public %scheduler-priority-idle 1)
+(define-public %scheduler-priority-background 2)
+(define-public %scheduler-priority-default 3)
+(define-public %scheduler-priority-high 4)
+(define-public %scheduler-priority-ui 5)
+(define-public %scheduler-priority-urgent 6)
+(define-public %scheduler-priority-shutdown 7)
+;; (define-public %scheduler-priority-count 8)
+
+;; configuration
+
+(define-public configuration-create
+  (let ((func (util '* "GNUNET_CONFIGURATION_create")))
+    (lambda ()
+      "Create a new configuration object"
+      (func))))
+
+(define-public configuration-destroy!
+  (let ((func (util ffi:void "GNUNET_CONFIGURATION_destroy" '*)))
+    (lambda (configuration)
+      "Destroy configuration object"
+      (func configuration))))
+
+(define-public configuration-load!
+  (let ((func (util ffi:int "GNUNET_CONFIGURATION_load" '* '*)))
+    (lambda (configuration filename)
+      "Load configuration. This function will first parse the defaults
+and then parse the specific configuration file to overwrite the
+defaults."
+      (check (func configuration (ffi:string->pointer filename))
+             (format #f "Impossible to load configuration at ~a" filename)))))
+
+;; crypto, gnunet_crypto_lib.h
+
+(define %crypto-ecdsa-public-key (bs:struct `((q-y ,(bs:vector (/ 256 8) uint8)))))
+
+;; scheduler
+
+(define-public %scheduler-reason-none 0)
+(define-public %scheduler-reason-startup 1)
+(define-public %scheduler-reason-shutdown 2)
+(define-public %scheduler-reason-timeout 4)
+(define-public %scheduler-reason-read-ready 8)
+(define-public %scheduler-reason-write-ready 16)
+(define-public %scheduler-reason-prereq-done 32)
+
+(define-public %scheduler-event-type-none 0)
+(define-public %scheduler-event-type-in 1)
+(define-public %scheduler-event-type-out 2)
+(define-public %scheduler-event-type-hup 4)
+(define-public %scheduler-event-type-error 8)
+(define-public %scheduler-event-type-priority 16)
+(define-public %scheduler-event-type-nval 32)
+
+(define-public scheduler-run
+  (let ((func (util ffi:void "GNUNET_SCHEDULER_run" '* '*)))
+    (lambda (thunk)
+      "Initialize and run scheduler.  This procedure will return when
+all tasks have completed.  On systems with signals, receiving a
+SIGTERM (and other similar signals) will cause
+#GNUNET_SCHEDULER_shutdown to be run after the active task is
+complete.  As a result, SIGTERM causes all shutdown tasks to be
+scheduled with reason #GNUNET_SCHEDULER_REASON_SHUTDOWN.  (However,
+tasks added afterwards will execute normally!).  Note that any
+particular signal will only shut down one scheduler; applications
+should always only create a single scheduler.
+
+THUNK is task to run first (and immediately)"
+      (func (ffi:procedure->pointer ffi:void thunk '()) ffi:%null-pointer))))
+
+(define-public scheduler-add-with-reason-and-priority
+  (let ((func (util ffi:void
+                    "GNUNET_SCHEDULER_add_with_reason_and_priority"
+                    '*
+                    '*
+                    ffi:int
+                    ffi:int)))
+    (lambda (thunk reason priority)
+      "Continue the current execution with the given function."
+      (func (ffi:procedure->pointer ffi:void thunk '())
+            ffi:%null-pointer
+            reason
+            priority))))
+
+(define-public scheduler-add-shutdown
+  (let ((func (util '* "GNUNET_SCHEDULER_shutdown" '* '*)))
+    (lambda (thunk)
+      "Schedule a new task to be run on shutdown, that is when a
+CTRL-C signal is received, or when #GNUNET_SCHEDULER_shutdown() is
+being invoked.
+
+Return unique task identifier for the job, valid until THUNK is
+started."
+      (func (ffi:procedure->pointer ffi:void thunk '())))))
+
+;; time
+
+(define %time-absolute (bs:struct `((abs-value-us ,uint64))))
+
+(define %time-relative (bs:struct `((rel-value-us ,uint64))))
+
+(define-public time-absolute-get
+  (let ((func (util ffi:uint64 "GNUNET_TIME_absolute_get")))
+    (lambda ()
+      "Return the current time in microseconds"
+      (func))))
+
+;;; gnunet-fs bindings
+
+(define fs (dynamic-link* %libgnunet-fs))
+
+;; uri
+
+(define-public string->uri
+  (let ((func (fs '* "GNUNET_FS_uri_parse" '* '*)))
+    (lambda (string)
+      (func (ffi:string->pointer string) ffi:%null-pointer))))
+
+(define-public uri-destroy
+  (let ((func (fs ffi:void "GNUNET_FS_uri_destroy" '*)))
+    (lambda (uri)
+      "Destroy uri"
+      (func uri))))
+
+(define-public uri-chk-get-file-size
+  (let ((func (fs ffi:uint64 "GNUNET_FS_uri_chk_get_file_size" '*)))
+    (lambda (uri)
+      "Size of file URI refers to"
+      (func uri))))
+
+;; other fs stuff
+
+(define %fs-options-end 0)
+(define %fs-options-download-parallelism 1)
+(define %fs-options-request-parallelism 2)
+
+(define-public %fs-flags-none 0)
+(define-public %fs-flags-persistence 1)
+(define-public %fs-flags-do-probes 2)
+
+(define-public %fs-status-publish-start 0)
+(define-public %fs-status-publish-resume 1)
+(define-public %fs-status-publish-suspend 2)
+(define-public %fs-status-publish-progress 3)
+(define-public %fs-status-publish-error 4)
+(define-public %fs-status-publish-completed 5)
+(define-public %fs-status-publish-stopped 6)
+(define-public %fs-status-download-start 7)
+(define-public %fs-status-download-resume 8)
+(define-public %fs-status-download-suspend 9)
+(define-public %fs-status-download-progress 10)
+(define-public %fs-status-download-error 11)
+(define-public %fs-status-download-completed 12)
+(define-public %fs-status-download-stopped 13)
+(define-public %fs-status-download-active 14)
+(define-public %fs-status-download-inactive 15)
+(define-public %fs-status-download-lost-parent 16)
+(define-public %fs-status-search-start 17)
+(define-public %fs-status-search-resume 18)
+(define-public %fs-status-search-resume-result 19)
+(define-public %fs-status-search-suspend 20)
+(define-public %fs-status-search-result 21)
+(define-public %fs-status-search-result-namespace 22)
+(define-public %fs-status-search-update 23)
+(define-public %fs-status-search-error 24)
+(define-public %fs-status-search-pause 25)
+(define-public %fs-status-search-continued 26)
+(define-public %fs-status-search-result-stopped 27)
+(define-public %fs-status-search-result-suspend 28)
+(define-public %fs-status-search-stopped 29)
+(define-public %fs-status-unindex-start 30)
+(define-public %fs-status-unindex-resume 31)
+(define-public %fs-status-unindex-suspend 32)
+(define-public %fs-status-unindex-progress 33)
+(define-public %fs-status-unindex-error 34)
+(define-public %fs-status-unindex-completed 35)
+(define-public %fs-status-unindex-stopped 36)
+(define-public %fs-status-publish-progress-directory 37)
+
+; progress info struct
+
+(define %fs-progress-info-publish
+  (bs:struct
+   `((publish-context ,uintptr_t)
+     (file-information ,uintptr_t)
+     (client-context ,uintptr_t)
+     (parent-context ,uintptr_t)
+     (filename ,uintptr_t)
+     (size ,uint64)
+     (eta ,%time-relative)
+     (duration ,%time-relative)
+     (completed ,uint64)
+     (anonymity ,uint32)
+     (specifics
+      ,(bs:union `((progress
+                    ,(bs:struct `((data ,uintptr_t)
+                                  (offset ,uint64)
+                                  (data-length ,uint64)
+                                  (depth ,unsigned-int))))
+                   (progress-directory
+                    ,(bs:struct `((completed ,uint64)
+                                  (total ,uint64)
+                                  (eta ,%time-relative))))
+                   (resume
+                    ,(bs:struct `((message ,uintptr_t)
+                                  (chk-uri ,uintptr_t)
+                                  (sks-uri ,uintptr_t))))
+                   (completed
+                    ,(bs:struct `((chk-uri ,uintptr_t)
+                                  (sks-uri ,uintptr_t))))
+                   (error
+                    ,(bs:struct `((message ,uintptr_t))))))))))
+
+(define %fs-progress-info-download
+  (bs:struct
+   `((download-context ,uintptr_t)
+     (client-context ,uintptr_t)
+     (parent-context ,uintptr_t)
+     (search-context ,uintptr_t)
+     (uri ,uintptr_t)
+     (filename ,uintptr_t)
+     (size ,uint64)
+     (eta ,%time-relative)
+     (duration ,%time-relative)
+     (completed ,uint64)
+     (anonymity ,uint32)
+     (active? ,int)
+     (specifics
+      ,(bs:union `((progress
+                    ,(bs:struct `((data ,uintptr_t)
+                                  (offset ,uint64)
+                                  (data-length ,uint64)
+                                  (block-download-duration ,%time-relative)
+                                  (depth ,unsigned-int)
+                                  (respect-offered ,uint32)
+                                  (number-of-transmissions ,uint32))))
+                   (start
+                    ,(bs:struct `((meta ,uintptr_t))))
+                   (resume
+                    ,(bs:struct `((meta ,uintptr_t)
+                                  (message ,uintptr_t))))
+                   (error
+                    ,(bs:struct `((message ,uintptr_t))))))))))
+
+(define %fs-progress-info-search
+  (bs:struct
+   `((search-context ,uintptr_t)
+     (client-context ,uintptr_t)
+     (parent-context ,uintptr_t)
+     (query ,uintptr_t)
+     (duration ,%time-relative)
+     (anonymity ,uint32)
+     (specifics
+      ,(bs:union `((result
+                    ,(bs:struct `((meta ,uintptr_t)
+                                  (uri ,uintptr_t)
+                                  (result ,uintptr_t)
+                                  (applicability-rank ,uint32))))
+                   (resume-result
+                    ,(bs:struct `((meta ,uintptr_t)
+                                  (uri ,uintptr_t)
+                                  (result ,uintptr_t)
+                                  (availability-rank ,int32)
+                                  (availability-certainty ,uint32)
+                                  (applicability-rank ,uint32))))
+                   (update
+                    ,(bs:struct `((client-context ,uintptr_t)
+                                  (meta ,uintptr_t)
+                                  (uri ,uintptr_t)
+                                  (availability-rank ,int32)
+                                  (availability-certainty ,uint32)
+                                  (applicability-rank ,uint32)
+                                  (current-probe-time ,%time-relative))))
+                   (result-suspend
+                    ,(bs:struct `((client-context ,uintptr_t)
+                                  (meta ,uintptr_t)
+                                  (uri ,uintptr_t))))
+                   (result-stopped
+                    ,(bs:struct `((client-context ,uintptr_t)
+                                  (meta ,uintptr_t)
+                                  (uri ,uintptr_t))))
+                   (resume
+                    ,(bs:struct `((message ,uintptr_t)
+                                  (paused? ,int))))
+                   (error
+                    ,(bs:struct `((message ,uintptr_t))))
+                   (result-namespace
+                    ,(bs:struct `((name ,uintptr_t)
+                                  (root ,uintptr_t)
+                                  (meta ,uintptr_t)
+                                  (pseudonym ,%crypto-ecdsa-public-key))))))))))
+
+(define %fs-progress-info-unindex
+  (bs:struct
+   `((unindex-context ,uintptr_t)
+     (client-context ,uintptr_t)
+     (filename ,uintptr_t)
+     (size ,uint64)
+     (eta ,%time-relative)
+     (duration ,%time-relative)
+     (completed ,uint64)
+     (specifics
+      ,(bs:union `((progress
+                    ,(bs:struct `((data ,uintptr_t)
+                                  (offset ,uint64)
+                                  (data-length ,uint64)
+                                  (depth ,unsigned-int))))
+                   (resume
+                    ,(bs:struct `((message ,uintptr_t))))
+                   (error
+                    ,(bs:struct `((message ,uintptr_t))))))))))
+
+(define-public %fs-progress-info
+  (bs:struct
+   `((value
+      ,(bs:union `((publish ,%fs-progress-info-publish)
+                   (download ,%fs-progress-info-download)
+                   (search ,%fs-progress-info-search)
+                   (unindex ,%fs-progress-info-unindex))))
+     (status ,int)
+     (handle ,uintptr_t))))
+
+(define-public (fs-progress-info-status info)
+  (bytestructure-ref info 'status))
+
+(define (progress-callback-wrapper callback)
+  (lambda (_ info)
+    (callback (pointer->bytestructure %fs-progress-info info))))
+
+(define (procedure->progress-callback callback)
+  (ffi:procedure->pointer ffi:void (progress-callback-wrapper callback) '(* *)))
+
+(define-public fs-start
+  (let ((func (fs '*
+                  "GNUNET_FS_start"
+                  '* '* '* '* ffi:int ffi:int ffi:unsigned-int ffi:int ffi:unsigned-int ffi:int)))
+    (lambda* (configuration
+              client-name
+              progress-callback
+              #:key
+              (flags %fs-flags-none)
+              (download-parallelism 16)
+              (request-parallelism (* 10 1024)))
+      "Setup a connection to the file-sharing service.
+
+Return a handle to the file-sharing service"
+      (let ((handle
+             (func configuration
+                   (ffi:string->pointer client-name)
+                   (procedure->progress-callback progress-callback)
+                   ffi:%null-pointer ;; callback closure is null
+                                     ;; because guile can do it
+                   flags
+                   %fs-options-download-parallelism
+                   download-parallelism
+                   %fs-options-request-parallelism
+                   request-parallelism
+                   %fs-options-end
+                   )))
+      (check2 handle "Impossible to connect to file-sharing service.")))))
+
+
+(define-public fs-stop
+  (let ((func (fs ffi:void "GNUNET_FS_stop" '*)))
+    (lambda (handle)
+      (func handle))))
+
+(define-public %fs-download-option-none 0)
+(define-public %fs-download-option-loopback-only 1)
+(define-public %fs-download-option-recursive 2)
+(define-public %fs-download-no-temporaries 4)
+(define-public %fs-download-is-probe (ash 1 31))
+
+(define-public fs-download-start
+  (let ((func (fs '*
+                  "GNUNET_FS_download_start"
+                  '* '* '* '* '* ffi:uint64 ffi:uint64 ffi:uint32 ffi:unsigned-int '* '*)))
+    (lambda* (handle
+             uri
+             anonymity
+             #:key
+             (meta #f)
+             (filename #f)
+             (tempname #f)
+             (offset 0)
+             (length (uri-chk-get-file-size uri))
+             (options %fs-download-option-none)
+             (client-context #f)
+             (parent #f))
+      "Download parts of a file.  Note that this will store
+the blocks at the respective offset in the given file.  Also, the
+download is still using the blocking of the underlying FS
+encoding.  As a result, the download may *write* outside of the
+given boundaries (if offset and length do not match the 32k FS
+block boundaries).
+
+The given range can be used to focus a download towards a
+particular portion of the file (optimization), not to strictly
+limit the download to exactly those bytes.
+
+HANDLE is the handle the file-sharing service.  URI is the URI of the
+file (determines what to download); CHK or LOC URI.  ANONYMITY defines
+the level of anonymity for the download."
+      (func handle
+            uri
+            (or meta ffi:%null-pointer)
+            (or (and filename (ffi:string->pointer filename)) ffi:%null-pointer)
+            (or (and tempname (ffi:string->pointer tempname)) ffi:%null-pointer)
+            offset
+            length
+            anonymity
+            options
+            (or client-context ffi:%null-pointer)
+            (or parent ffi:%null-pointer)))))
+
+;; gnunet-identity bindings
+
+(define identity (dynamic-link* %libgnunet-identity))
diff --git a/gnunet/config.scm.in b/gnunet/config.scm.in
new file mode 100644
index 0000000..791eba1
--- /dev/null
+++ b/gnunet/config.scm.in
@@ -0,0 +1,25 @@
+;;;; -*- mode: Scheme; indent-tabs-mode: nil; fill-column: 80; -*-
+;;;;
+;;;; Copyright © 2015 Ludovic Courtès <ludo@gnu.org>
+;;;; Copyright © 2018 Amirouche Boubekki <amirouche@hypermove.net>
+;;;;
+;;;; This program is free software: you can redistribute it and/or modify
+;;;; it under the terms of the GNU General Public License as published by
+;;;; the Free Software Foundation, either version 3 of the License, or
+;;;; (at your option) any later version.
+;;;;
+;;;; This program is distributed in the hope that it will be useful,
+;;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+;;;; GNU General Public License for more details.
+;;;;
+;;;; You should have received a copy of the GNU General Public License
+;;;; along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+(define-module (gnunet config))
+
+(define-public %libgnunet-util "@GNUNETUTIL_LIBDIR@/libgnunetutil")
+
+(define-public %libgnunet-fs "@GNUNETFS_LIBDIR@/libgnunetfs")
+
+(define-public %libgnunet-identity "@GNUNETIDENTITY_LIBDIR@/libgnunetidentity")
diff --git a/guix.scm b/guix.scm
new file mode 100644
index 0000000..8d03f71
--- /dev/null
+++ b/guix.scm
@@ -0,0 +1,165 @@
+;;; GNUnet-Guile --- Guile bindings for GNUnet.
+;;; Copyright @ 2017, 2018 ng0 <ng0@n0.is>
+;;; Copyright @ 2018 Amriouche Boubekki <amirouche@hypermove.net>
+;;;
+;;; This file is part of GNUnet-Guile.
+;;;
+;;; GNUnet-Guile is free software; you can redistribute it and/or modify it
+;;; under the terms of the GNU General Public License as published by
+;;; the Free Software Foundation; either version 3 of the License, or (at
+;;; your option) any later version.
+;;;
+;;; GNUnet-Guile is distributed in the hope that it will be useful, but
+;;; WITHOUT ANY WARRANTY; without even the implied warranty of
+;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+;;; GNU General Public License for more details.
+;;;
+;;; You should have received a copy of the GNU General Public License
+;;; along with GNUnet-Guile.  If not, see <http://www.gnu.org/licenses/>.
+
+(use-modules
+ (ice-9 popen)
+ (ice-9 match)
+ (ice-9 rdelim)
+ (guix packages)
+ (guix build-system gnu)
+ (guix gexp)
+ ((guix build utils) #:select (with-directory-excursion))
+ (guix git-download)
+ (guix utils) ; current-source-directory
+ ;;(gnunet packages gnunet) ; the GUIX_PACKAGE_PATH in gnunet.git
+ (gnu packages)
+ (gnu packages aidc)
+ (gnu packages autotools)
+ (gnu packages backup)
+ (gnu packages base)
+ (gnu packages compression)
+ (gnu packages curl)
+ (gnu packages databases)
+ (gnu packages file)
+ (gnu packages gettext)
+ (gnu packages glib)
+ (gnu packages gnome)
+ (gnu packages gnunet)
+ (gnu packages gnupg)
+ (gnu packages gnuzilla)
+ (gnu packages groff)
+ (gnu packages gstreamer)
+ (gnu packages gtk)
+ (gnu packages guile)
+ (gnu packages image)
+ (gnu packages image-viewers)
+ (gnu packages libidn)
+ (gnu packages libunistring)
+ (gnu packages linux)
+ (gnu packages maths)
+ (gnu packages multiprecision)
+ (gnu packages ncurses)
+ (gnu packages perl)
+ (gnu packages pkg-config)
+ (gnu packages pulseaudio)
+ (gnu packages python)
+ (gnu packages tex)
+ (gnu packages texinfo)
+ (gnu packages tex)
+ (gnu packages tls)
+ (gnu packages upnp)
+ (gnu packages video)
+ (gnu packages web)
+ (gnu packages xiph)
+ ((guix licenses) #:prefix license:))
+
+;; FIXME: Load this from GUIX_PACKAGE_PATH in gnunet.git -> HOW?
+;; Just the way it is commented throws an error.
+;; (define gnunetg-for-guile-gnunet
+;;   (package
+;;     (inherit gnunetg)
+;;     (name "gnunetg-for-guile-gnunet")))
+
+;; TEMP FIX until we have the problem fixed above.
+;; XXX: Bump this when gnunetg in gnunet.git is bumped!
+(define gnunet-git
+  (let* ((commit "477e0dec4d6e9a51af2258611f45adea319ff6ae")
+         (revision "2"))
+    (package
+      (inherit gnunet)
+      (name "gnunet-git")
+      ;; TODO: use git-version
+      (version (string-append "0.10.1" "-" revision
+                              "." (string-take commit 7)))
+      (source
+       (origin
+         (method git-fetch)
+         (uri (git-reference
+               (url "https://gnunet.org/git/gnunet.git")
+               (commit commit)))
+         (file-name (string-append name "-" version "-checkout"))
+         (sha256
+          (base32
+           "07p9j0z1ghd50m9g1x1fv94w4x2khli6wn8n2cbjcvycand4fpv5"))))
+      (build-system gnu-build-system)
+      (inputs
+       `(("glpk" ,glpk)
+         ("gnurl" ,gnurl)
+         ("gstreamer" ,gstreamer)
+         ("gst-plugins-base" ,gst-plugins-base)
+         ("gnutls/dane" ,gnutls/dane) ;Change to gnutls/dane once it is merged.
+         ("libextractor" ,libextractor)
+         ("libgcrypt" ,libgcrypt)
+         ("libidn" ,libidn)
+         ("libmicrohttpd" ,libmicrohttpd)
+         ("libltdl" ,libltdl)
+         ("libunistring" ,libunistring)
+         ("openssl" ,openssl)
+         ("opus" ,opus)
+         ("pulseaudio" ,pulseaudio)
+         ("sqlite" ,sqlite)
+         ("postgresql" ,postgresql)
+         ("mysql" ,mysql)
+         ("zlib" ,zlib)
+         ("perl" ,perl)
+         ("python-2" ,python-2) ; tests and gnunet-qr
+         ("jansson" ,jansson)
+         ("nss" ,nss)
+         ("glib" ,glib "bin")
+         ("gmp" ,gmp)
+         ("bluez" ,bluez) ; for optional bluetooth feature
+         ("glib" ,glib)
+         ;; TODO: figure out the right texlive parts.
+         ;;("texlive-minimal" ,texlive-minimal)
+         ("texlive" ,texlive)
+         ("miniupnpc" ,miniupnpc)
+         ("libogg" ,libogg)))
+      (native-inputs
+       `(("pkg-config" ,pkg-config)
+         ("autoconf" ,autoconf)
+         ("automake" ,automake)
+         ("gnu-gettext" ,gnu-gettext)
+         ("which" ,which)
+         ("texinfo" ,texinfo-5) ; Debian stable: 5.2
+         ("libtool" ,libtool)))
+      (outputs '("out" "debug"))
+      (arguments
+       `(#:configure-flags
+         (list (string-append "--with-nssdir=" %output "/lib"))
+               ;; AFAIK not necessary, will also regulary lead to broken
+               ;; GNUnet builds (experimental is what it says)
+               ;; "--enable-experimental")
+         #:parallel-tests? #f ; parallel building is not functional
+         #:tests? #f ; FAIL: test_gnunet_statistics.py
+         #:phases
+         ;; swap check and install phases and set paths to installed bin
+         (modify-phases %standard-phases
+           (add-after 'unpack 'patch-bin-sh
+             (lambda _
+               (substitute* "bootstrap"
+                 (("contrib/pogen.sh") "sh contrib/pogen.sh"))
+               (for-each (lambda (f) (chmod f #o755))
+                         (find-files "po" ""))
+               #t))
+           (add-after 'patch-bin-sh 'bootstrap
+             (lambda _
+               (zero? (system* "sh" "bootstrap"))))
+           (delete 'check)))))))
+
+gnunet-git
diff --git a/pre-inst-env.in b/pre-inst-env.in
new file mode 100644
index 0000000..20e77c5
--- /dev/null
+++ b/pre-inst-env.in
@@ -0,0 +1,39 @@
+#!/bin/sh
+
+# GNUnet-Guile --- Guile bindings for GNUnet.
+# Copyright © 2015 Ludovic Courtès <ludo@gnu.org>
+#
+# This file is part of GNUnet-Guile.
+#
+# GNUnet-Guile is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or (at
+# your option) any later version.
+#
+# GNUnet-Guile is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with GNUnet-Guile.  If not, see <http://www.gnu.org/licenses/>.
+
+# Usage: ./pre-inst-env COMMAND ARG...
+#
+# Run COMMAND in a pre-installation environment.  Typical use is
+# "./pre-inst-env guile".
+
+# By default we may end up with absolute directory names that contain '..',
+# which get into $GUILE_LOAD_PATH, leading to '..' in the module file names
+# recorded by Guile.  To avoid that, make sure we get a real absolute
+# directory name.  Additionally, use '-P' to get the canonical directory name
+# so that Guile's 'relative' %file-port-name-canonicalization can actually
+# work (see <http://bugs.gnu.org/17935>.)
+abs_top_srcdir="`cd "@abs_top_srcdir@" > /dev/null; pwd -P`"
+abs_top_builddir="`cd "@abs_top_builddir@" > /dev/null; pwd -P`"
+
+GUILE_LOAD_COMPILED_PATH="$abs_top_builddir${GUILE_LOAD_COMPILED_PATH:+:}$GUILE_LOAD_COMPILED_PATH"
+GUILE_LOAD_PATH="$abs_top_builddir:$abs_top_srcdir${GUILE_LOAD_PATH:+:}$GUILE_LOAD_PATH"
+export GUILE_LOAD_COMPILED_PATH GUILE_LOAD_PATH
+
+exec "$@"