[2011-06-25 22:24:52 +1000] Allan McRae: > Upstream bugfix release: > > grep no longer clobbers heap for an ERE like '(^| )*( |$)' > [bug introduced in grep-2.6] > > grep is faster on regular expressions that match multibyte characters > in brackets (such as '[áéíóú]'). > > echo c|grep '[c]' would fail for any c in 0x80..0xff, with a uni-byte > encoding for which the byte-to-wide-char mapping is nontrivial. For > example, the ISO-88591 locales are not affected, but ru_RU.KOI8-R is. > [bug introduced in grep-2.6] > > grep -P no longer aborts when PCRE's backtracking limit is exceeded > Before, echo aaaaaaaaaaaaaab |grep -P '((a+)*)+$' would abort. Now, > it diagnoses the problem and exits with status 2.
Signoff both. -- Gaetan
