Re: [PATCH] rebase--interactive: do not use one-or-more (\+) in sed.

> On 2 Sep 2007, David Kastrup uttered the following:
>> As usual, <URL:info:autoconf#Limitations%20of%20Usual%20Tools>  
>> (aka as
>> (info "(autoconf) Limitations of Usual Tools")
>> ) provides a real horror show of sed variants.
>
> A goodly number of things in that section of the Autoconf manual are
> passing on hints and ancient legends that may or may not be accurate:
> I've found a number of its descriptions of shell limitations to be
> downright wrong (applying to one build of one shell back in 1981 that
> was never shipped to anyone, that sort of thing).
>
> (Of course it's valuable, even if it *is* a compendium of legends. But
> confirming any of it is quite hard.)