AW: [PATCH] sed: Document POSIX -E sed flag that selects EREs (as a synonym for -r)

[dietmar.schindler at manroland-web.com]

> Von: Harald Becker
> Gesendet: Mittwoch, 30. Oktober 2013 13:34
>
> IMO when upstream now uses -E for ERE, shouldn't we just document
> -E and drop description of -r (just letting it work hidden for
> compatibility, with a source comment to use -E in newer scripts)?
>
> Why do we need to display a usage text for -r ?

For example, because someone might spot that -r is used in a script written by someone else and want to know what this option does.
--
Best regards,
Dietmar Schindler
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