[FYI] Merge branch 'maint' into master

[Stefano Lattarini]

commit edbcd8f1948b35f956bba1586d7cc2e628b98338
Merge: 3b83966 5898641
Author: Stefano Lattarini <address@hidden>
Date:   Sat Jun 23 00:16:26 2012 +0200

    Merge branch 'maint'

    * maint:
      tests: avoid one last `...` command substitution in 'test-init.sh'
      maintcheck: guard against `...` for command substitution in test cases
      tests: more uses of $(...) over `...` for command substitution
      cosmetics: quote `like this', not 'like this', in a couple of tests
      readme: clarify/extend few entries in 't/README'
      readme: better separation of entries in 't/README'
      readme: subsections "Do" and "Do not" in 't/README' merged
      tests: new requirement 'grep-nonprint'
      cosmetics: fix description of an expected error message in a test
      tests: assume automake quotes 'like this', not `like this'

    Signed-off-by: Stefano Lattarini <address@hidden>