Merge branch 'maint' into 'yacc-work'

Merge branch 'maint' into 'yacc-work'

Extra edits:
  * tests/silent-lex.test: Provide a dummy `yywrap()' function, to
  avoid link errors on systems that doesn't provide a "lex library".
  See also commit `v1.11-546-gca0ba5d'.

Commits merged from maint (34 commits):
  readme: reference webpages for automake mailing lists
  readme: update advice about testsuite execution
  readme: don't reference the old homepage at sources.redhat.com
  hacking: some more fixlets
  * NEWS: Fix typo in 'make dist-bzip2' description.
  release: don't run "make distcheck" automatically
  hacking: update on-line documentation for stable releases only
  hacking: described release procedure applies to beta releases too
  readme: the documentation is production quality now
  hacking: tell about platform-testers mailing list
  hacking: we don't use sources.redhat.com anymore
  hacking: miscellaneous minor fixes
  dist-xz, dist-bzip2: don't hard-code -9, honor envvar settings
  news: fix typos, grammaros and suboptimal wording
  maint: sync auxiliary files from upstream
  tests: fix spurious failures due to missing 'yywrap()' function
  depcomp: spelling fix
  tests: fix 'distcheck-override-infodir.test' on Cygwin
  cosmetics: typofix in comments
  coverage: undistributed '.am' and '.m4' files are diagnosed
  coverage: required but missing '.am' and '.m4' files are diagnosed
  coverage: expose automake bug#10111 in the testsuite
  fix: regenerate doc/Makefile
  texinfo: work around Solaris 10 xpg4 shell bug in install rules
  configure: report perl version in config.log
  tests: fix spurious failure with older install-info
  maintcheck: fix spurious failure in 'color2.test'
  tests: fix spurious error in 'uninstall-fail.test' on Solaris
  tests: fix typo in 'uninstall-fail.test'
  tests: avoid a spurious failure of 'ltinit.test' MinGW
  tests: testsuite is now safe to run with dmake in parallel mode
  tests: fix spurious failures w.r.t. parallel make and colorization
  Merge branch 'fix-pr9579' into maint
  tests: fix spurious failure in 'distcheck-override-infodir.test'
  tests: avoid another failure of 'uninstall-fail.test' on Solaris