[FYI] Merged maint into master

[Stefano Lattarini]

commit 47587d15b0749575e95a49443c6b0e17e0722678
Merge: 1a23ff8 c8e01d5
Author:     Stefano Lattarini <address@hidden>
AuthorDate: Sat Dec 10 00:46:13 2011 +0100
Commit:     Stefano Lattarini <address@hidden>
CommitDate: Sat Dec 10 00:46:13 2011 +0100

    Merge branch 'maint'
    
    Commits merged from maint:
      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'
    
    Extra edits:
      * ChangeLog: Remove mention of commit 6da46f31 (2010-10-05), which
      has been superseded by commit c8e01d58 (2011-12-09).  Fix entry
      relative to that commit, to adapt to differences between maint and
      master.