bug#62983: workaround PCRE2 bug affecting at least \D and \W

[Paul Eggert]

On 2023-04-28 23:54, Jim Meyering wrote:
> I've made some small adjustments and tidied up the ChangeLog in the attached.

One question about that patch (both original and as revised). Why do we 
need a new binary_safe slot in struct pcre_comp? Shouldn't the 
binary_safe stuff be done at compile-time rather than run-time?

Proposed revised patch attached. It also tweaks commentary slightly, and 
uses a more uniform style in the test comments (something like what 
Carlo suggested, but a bit wordier since it names the characters).

0001-pcre-work-around-a-PCRE2_MATCH_INVALID_UTF-bug.patch
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