/[autoconf]/autoconf/tests/atgeneral.m4
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revision 1.71 by eggert, Fri Apr 19 19:07:04 2002 UTC revision 1.72 by eggert, Sat Apr 20 06:09:02 2002 UTC
# Line 403  m4_divert_push([TESTS])dnl Line 403  m4_divert_push([TESTS])dnl
403  # We try to build a regular expression matching `[', `]', `*', and  # We try to build a regular expression matching `[', `]', `*', and
404  # `.', i.e., the regexp active characters.  # `.', i.e., the regexp active characters.
405  #  #
406  # Novices would write, `[[]*.]', which sure fails since the character  # Novices would write `[[]*.]', which fails since the character
407  # class ends with the first closing braquet.  # class ends with the first closing bracket.
408  # M4 gurus will sure write `[\[\]*.]', but it will fail too because  # M4 gurus would write `[\[\]*.]', but it will fail too because
409  # regexp does not support this and understands `\' per se.  # regexp does not support this and understands `\' per se.
410  # Regexp gurus will write `[][*.]' which is indeed what Regexp expects,  # Regexp gurus will write `[][*.]' which is indeed what Regexp expects,
411  # but it will fail for M4 reasons: it's the same as `[*.]'.  # but it will fail for M4 reasons: it's the same as `[*.]'.

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