[PATCH] sed: Document POSIX -E sed flag that selects EREs (as a synonym for -r)
Harald Becker
ralda at gmx.de
Wed Oct 30 12:33:36 UTC 2013
Hi all !
On 30-10-2013 12:57 Denys Vlasenko <vda.linux at googlemail.com>
wrote:
>busybox is about small size.
>Is there any use for the consumer of --help output to see
>"(same as -E for backwards compatibility)" text?
>
>This is what I'm going to do:
>
>-r,-E Use extended regex syntax
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 ?
--
Harald
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