Re: [pcre-dev] [Bug 2792] \K should not be allowed in lookar…

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Autor: Ze'ev Atlas
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A: pcre-dev@exim.org, admin@bugs.exim.org
Assumpte: Re: [pcre-dev] [Bug 2792] \K should not be allowed in lookarounds
We had had a similar discussion a few years back, where I stated that a certain usage is wrong and you answered that changing PCRE will break a few patterns who may rely on the wrong usage.  In the end you've adopted my view after I'd asked to allow me an exception in the z/OS EBCDIC specific implementation.  My view is that if something is wrong, or in this case "not well defined" then PCRE2 should stay clear from that thing, despite the fact that some edge case patterns may suffer and some users would be annoyed.  The Perl community is assertive enough and says No! when No is due, and the PCRE2 community should take that position as well.
Oh, and if I read correctly, the example that was used is NOT a negative lookaround
Ze'ev Atlas