bug#10113: 24.0.91; Isearch & `M-e'

[Stefan Monnier <monnier@IRO.UMontreal.CA>]

>>> IOW, after editing the search string in the minibuffer, the Isearch
>>> should be re-started from the beginning, using the new (edited) search
>>> string.
>> That wouldn't always result in the same behavior as what DEL does
>> (think of the case where you do C-s buffe C-s C-s r C-s M-e DEL RET).
>> Making it really reproduce the behavior of DEL would require a good bit
>> more care.
>> And if we do try to make it behave like you want when the result of M-e
>> is a prefix of the original string, that will make it behave
>> inconsistently with the other cases when the result is not a prefix.
> Actually I didn't think of making "M-e DEL RET" equivalent to "DEL" in
> all cases.
> I just think that, after editing the search string in the minibuffer,
> the search should be re-started from the beginning.  Not doing so
> makes little sense to me.  Why continue from a point that was reached
> using a different search string?

It's as good a starting point as any.  The original starting point for
the search is also a possibility, indeed, but I don't think that it is
better in any significant way: it's sometimes better, sometimes worse.

So it's hard to justify such a change.


        Stefan