Re: [PATCH] Use replace-match in posting-style.

[Daniel Dehennin <daniel.dehennin@baby-gnu.org>]

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Ted Zlatanov <tzz@lifelogs.com> writes:

> It worries me that we're inventing (yes, including the
> nnmail-split-fancy usage) something that looks like but isn't at all a
> real regex positional replacement.  Can we find out from emacs-devel if
> this can be done better through ELisp or even C and then apply the fix
> both to your code and to nnmail-split-fancy?  We'll also need to find
> out if XEmacs can do something similar, since Gnus supports it as well.
>
> I think the description you gave is probably not specific enough to give
> us the best answers; can you write a more formal definition of how
> my-expand should behave?

Ok, I'll try:

The idea is to use the match-data informations to expand positional
parameters in any string, where replace-match only works on the one the
match occurs.

1. my-expand take a string as argument,

2. if there is no captured match then return the argument,

3. if the string does not contains positional parameters then return the
   argument,

4. build a new sting from the argument by replacing all the positional
   parameters by their captured value,

5. return the new string.

Is this what you asked ?

Regards.
-- 
Daniel Dehennin
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