On Mon, Sep 30, 2019 at 02:58:54PM -0400, Matthew Miller wrote:
> On Mon, Sep 30, 2019 at 01:16:52PM -0000, Petr Pisar wrote:
> > > Is this a perfectly drop-in compatible replacement from a user point of
> > > view?
> > The user that executes "grep -P"? Not many changes. Usually a corner
> > cases that have a different performance or exhibit bug fixes.
>
> Yeah, that's the user I'm concerned with in this case, since _we're_ the one
> switching the library. I'm imagining users with scripts written by a
> sysadmin or grad student fifteen years ago which happen to use `grep -P`
> suddenly and mysteriously doing the wrong thing.
Eh, seeing as the grep(1) manual page itself still declares the option
as experimental, I think people using it *should* be aware of the
possibility of slight changes in behavior.
G'luck,
PEter
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