[LFS Trac] #2893: Grep-2.9

[LFS Trac]

#2893: Grep-2.9
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 Reporter:  matthew@…                     |       Owner:  lfs-book@…            
       
     Type:  enhancement                   |      Status:  new                   
       
 Priority:  normal                        |   Milestone:  6.9                   
       
Component:  Book                          |     Version:  SVN                   
       
 Severity:  normal                        |    Keywords:                        
       
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 New version, with some bugfixes as noted in NEWS from the tarball:

 {{{
 * Noteworthy changes in release 2.9 (2011-06-21) [stable]

 ** Bug fixes

   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.
 }}}

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Ticket URL: <http://wiki.linuxfromscratch.org/lfs/ticket/2893>
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