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

2015-07-03 Thread Paul Eggert
vampyre...@gmail.com 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. >From bffb51cfda75eeb1d99c34973d5a45fc1b784d89 Mon Sep 17 00:

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

2015-07-02 Thread vampyrebat
grep 2.21 incorrectly handles a -P regular expression that 2.20 handled correctly. Thanks for looking into this. $ cat file Here's a line. This line has one blank line above it. This line has two blank lines above it. This line has three blank lines above it. This line has four blank l