[FYI] Merge branch 'maint' into branch-1.11

[Stefano Lattarini]

commit a3309f02fb4217beceb714e64b4ca2bcd9bc1dae
Merge: 42c3c7d 007455d
Author:     Stefano Lattarini <address@hidden>
AuthorDate: Fri Dec 23 13:31:40 2011 +0100
Commit:     Stefano Lattarini <address@hidden>
CommitDate: Fri Dec 23 13:31:40 2011 +0100

    Merge branch 'maint' into branch-1.11

    * maint: (23 commits)
      tests: fix failure due to debugging code forgotten into a test
      tests: avoid spurious failure of libtool and gettext tests
      hacking: distribute it, and mention it in the ChangeLog
      regex: deprecate the obsolete macro AM_WITH_REGEX
      maint: distribute .xz tarballs, not .bz2 ones
      maint: better use of autoconf 2.68 features
      cosmetics: use proper m4 quoting in configure.ac
      include: avoid "deleted .am file" problem
      tests: better handling of gettext and libtool requirements
      fix: typos and grammaros in comments of the new test
      tests: report useful system information in 'test-suite.log'
      python: remove relics for Python 1.5 support
      configure: remove extraneous 'eval's from AM_RUN_LOG invocations
      configure: report TeX version in config.log
      maint: snapshots from `maint' are still development snapshots
      configure: print proper message for test releases
      devel: help in comparing Makefile.in from different commits
      repo: don't commit generated files in the git repository anymore
      maint: remove executable bit from automake.in
      missing: don't try to re-run tar with a munged command line
      ...