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bug#62090: Document how to perl's //s //m //sm etc.


From: Dan Jacobson
Subject: bug#62090: Document how to perl's //s //m //sm etc.
Date: Thu, 09 Mar 2023 08:11:45 +0800

(info "(grep) grep Programs") should mention how to deal with
/.../sm perl flags.
Sure, /.../i would be just -i ...,
but how to deal with the other perl flags.

(I.e.,' m   Treat string as multiple lines.')
or mention that that could never be implemented, as grep is line based etc.





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