bug#62267: grep-3.9 bug: \d matches multibyte digits

[Paul Eggert]

On 2023-03-19 01:28, Paul Eggert wrote:
> Looking at the source code again, how about if we move the PCRE-specific 
> changes from src/grep.c to src/pcresearch.c which is where it really 
> belongs, and more importantly use the bleeding-edge 
> PCRE2_EXTRA_ASCII_BSD macro if available?
>
> Something like the attached patch, say. This patch doesn't take your \D 
> fixes (or the above suggestions) into account.

Oops, that patch assumed match_lines. Also, it covered two topics in the 
doc fix. I installed the obvious topic in the doc change, and removed 
the match_lines assumption. Revised patch attached; please ignore the 
patch of a half-hour ago.

0001-grep-forward-port-to-PCRE2-10.43.patch
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