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bug#20957: 2.21 bug in handling at least one -P regular expression


From: Paul Eggert
Subject: bug#20957: 2.21 bug in handling at least one -P regular expression
Date: Fri, 03 Jul 2015 08:23:43 -0700
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.7.0

address@hidden wrote:
grep 2.21 incorrectly handles a -P regular expression that 2.20 handled 
correctly.

Thanks for reporting that. I installed the attached patches. The first fixes the bug; the second is a minor cleanup.

Attachment: 0001-grep-don-t-mishandle-left-context-in-P.patch
Description: Text Data

Attachment: 0002-grep-simplify-print_line_middle-slightly.patch
Description: Text Data


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