[PATCH] sed: Add support for POSIX -E to select EREs (this is a synonym for -r)

[walter harms]

Am 29.10.2013 09:29, schrieb Denys Vlasenko:
> On Tuesday 29 October 2013 02:11, David A. Wheeler wrote:
>> I posted:
>>>> Busybox already supported this using "-r", so this patch just adds "-E"
>>>> as a synonym, documents "-E", and adds a trivial test to check it.
>>
>> On Tue, 29 Oct 2013 00:54:33 +0100, Denys Vlasenko <vda.linux at googlemail.com> wrote:
>>> Applied, thanks
>>
>> Excellent!  Thanks!
>>
>> However, this modified patch doesn't document "-E" anywhere
>> (e.g., "./busybox sed --help" or "man busybox").
>>
>> Is there a reason the documentation for "-E" was dropped?
> 
> GNU sed doesn't document it either.

I would see that as a bug in GNU sed. There is no reason to repeat that.

re,
 wh