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-*- outline -*-
Copyright (C) 2013-2021 Free Software Foundation, Inc.
See the end of the file for license conditions.
NOTES FOR EMACS WWW PAGES
* Access
Anyone with write access to the Emacs code repository has the same
access to the web pages. See <https://savannah.gnu.org/cvs/?group=emacs>
for instructions. After you commit a change to the CVS repository,
it normally appears automatically on www.gnu.org within a few minutes.
The basic procedure is:
Initial checkout:
cvs -z3 -d:ext:<membername>@cvs.savannah.gnu.org:/web/emacs co emacs
Update from repository:
cvs up -dP
You can use Emacs's VC mode to commit files without having to worry
about knowing CVS syntax. You may find M-x cvs-examine a useful,
more specialized, alternative to M-x vc-dir.
* Manual pages
The scripts admin/make-manuals, admin/upload-manuals can be used to do
a complete update of the on-line manual pages (eg after a release).
* Renaming pages, redirects
Sometimes you want to move a page to a new location.
If the old location might be referenced somewhere else, you should add
some form of redirect to the new location. There are several ways to
do this:
** Use a refresh directive in the old file
https://www.gnu.org/server/standards/README.webmastering.html#htaccess
Change the entire contents of the old file to be something like:
<meta http-equiv="refresh" content="0; url=/software/emacs/manual/elisp.html">
I can't think of any reason to use this method.
** Use a .symlinks file
https://www.gnu.org/server/standards/README.webmastering.html#symlinks
This is really an interface to mod_rewrite rules, but it acts like
symlinks. Remove old-page.html altogether, and create a ".symlinks"
file in the relevant directory, with contents of the form:
# This is a comment line.
old-page.html new-page.html
Anyone visiting old-page.html will be shown the contents of new-page.html.
Note that changes to .symlinks file are only updated periodically on
the server via cron (twice an hour?). So there will be a delay (of up
to 30 minutes?) before you see your changes take effect.
This method is ok, but:
i) a person visiting old-page.html has no idea that the page has moved.
They still see old-page.html in their address bar. (In other words,
the mod_rewrite rule does not use the [R] flag.) Sometimes this is
what you want, sometimes not.
ii) it doesn't work right if the new page is in a different directory
to the old page: relative links from the visited page will break.
** Use a .htaccess file
Remove old-page.html altogether, and create a ".htaccess" file in the
relevant directory, with contents of the form:
# This is a comment line.
Redirect 301 /software/emacs/old-page.html /software/emacs/dir/new-page.html
Use "301" for a permanent redirection, otherwise you can omit the number.
Note that paths must (?) be relative to the top-level www.gnu.org.
I think this is the best method. You can specify temporary or
permanent redirects, and changes go live more-or-less straight away.
This method is useful for making cross-references to non-Emacs manuals
work; see manual/.htaccess in the repository. You only have to add a
single redirect for every given external manual, you can redirect
html_node to hmtl_node and html_mono to html_mono.
* Why CVS?
Savannah supports other VCS, and no-one is especially attached to CVS.
Rather, CVS is the only supported mechanism for getting the changes
onto www.gnu.org. See eg
https://lists.gnu.org/r/bug-gnulib/2012-12/msg00072.html
* CVS alternatives
To use something other than CVS, convert the web-pages CVS repository
to the other VCS, then set up a two-way sync between them.
It needs to be two-way in case eg GNU webmasters make a change to the CVS.
Ref eg
https://github.com/mikjo/bigitr
https://lists.gnu.org/r/savannah-hackers-public/2013-04/msg00022.html
This file is part of GNU Emacs.
GNU Emacs 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.
GNU Emacs 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 GNU Emacs. If not, see <https://www.gnu.org/licenses/>.
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