maint: improve release procedure instructions.

* gnulib: Update, in particular (README-release).
* bootstrap.conf: don't require gendocs, provided by gnu-web-doc-update,
provided by readme-release.
* README-hacking: Update accordingly.

README-hacking

@@ -248,25 +248,10 @@ copyright statement for each Bison file, check the copyright statements
 that the skeletons insert into generated parsers, and check all
 occurrences of PACKAGE_COPYRIGHT_YEAR in configure.ac.
 
-** Update NEWS
+** Update NEWS, commit and tag.
-The version number, *and* the date of the release (including for
+See do-release-commit-and-tag in README-release.
-betas).
 
-** Mention the release name in a commit message
+** make alpha, beta, or stable
-Should have an entry similar to "Version 2.3b.".
-
-** Tag the release
-Before Bison will build with the right version number, you must tag
-the release in git.  Do this after all other changes.  The command is
-similar to:
-
-  git tag -a v2.3b -m "Bison 2.3b."
-
-** Push
-Once "make distcheck" passes, push your changes and the tag.
-"git push" without arguments will not push the tag.
-
-** make alpha, beta, or release
 See README-release.
 
 ** Upload
@@ -287,8 +272,8 @@ where F125BDF3 should be replaced with your key ID.
 *** Using gnupload
 You need "ncftp".
 
-At the end "make release" (or alpha/beta) will display the prodecure
+At the end "make stable" (or alpha/beta) will display the prodecure to
-to run.  Just copy and paste it in your shell.
+run.  Just copy and paste it in your shell.
 
 *** By hand
 
@@ -359,7 +344,8 @@ function 'index', once for the table of contents); you can ignore this
 issue.
 
 ** Announce
-To generate a template announcement file:
+The "make stable" (or alpha/beta) command just created a template,
+$HOME/announce-bison-X.Y.  Otherwise, to generate it, run:
 
   make RELEASE_TYPE=alpha gpg_key_ID=F125BDF3 announcement
 
@@ -379,11 +365,12 @@ newsgroup by sending email to compilers@iecc.com.  Do not make any Cc as
 the moderator will throw away anything cross-posted or Cc'ed.  It really
 needs to be a separate message.
 
-** Bump the version number
+** Prepare NEWS
-In configure.ac.  Run "make".  So that developers don't accidentally add new
+So that developers don't accidentally add new items to the old NEWS
-items to the old NEWS entry, create a new empty NEWS entry something like:
+entry, create a new empty entry in line 3 (without the two leading
+spaces):
 
-  Changes in version ?.? (????-??-??):
+  * Noteworthy changes in release ?.? (????-??-??) [?]
 
 Push these changes.
 

bootstrap.conf

@@ -17,13 +17,13 @@
 
 # gnulib modules used by this package.
 gnulib_modules='
-  announce-gen argmatch assert calloc-posix close closeout config-h c-strcase
+  argmatch assert calloc-posix close closeout config-h c-strcase
   configmake
   dirname
-  error extensions fdl fopen-safer gendocs getopt-gnu
+  error extensions fdl fopen-safer getopt-gnu
   gettext git-version-gen gitlog-to-changelog
   gpl-3.0 hash inttypes isnan javacomp-script
-  javaexec-script ldexpl maintainer-makefile malloc-gnu mbschr mbsrchr
+  javaexec-script ldexpl malloc-gnu mbschr mbsrchr
   mbswidth obstack perror progname
   quote quotearg
   readme-release