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Re: find-file-noselect needs save-match-data
From: |
David Kastrup |
Subject: |
Re: find-file-noselect needs save-match-data |
Date: |
Mon, 18 Jun 2007 23:42:12 +0200 |
User-agent: |
Gnus/5.11 (Gnus v5.11) Emacs/22.1.50 (gnu/linux) |
Richard Stallman <address@hidden> writes:
> What is the relevant date for a function that never has been
> different?
>
> I thought you said it had been changed, and complained that the
> change could cause a bug. I took your word for it.
Oh please. You took your mistaken recollection of my word for it. I
certainly _never_ claimed that it had been changed. I claimed that
the current implementation is arguably wrong in addition to being
unnecesssarily inefficient.
> If `save-match-data' was never changed, then there was no point at
> which a change could have broken anything, thus no issue.
I already gave an explicit Elisp example where save-match-data around
a passage not accessing the match data leads to different results from
not using save-match-data.
So save-match-data is _not_ a noop in the absence of match-string and
similar, and I asked what the rationale was for that (since it
actually is _expensive_ to use markers here).
I still am waiting for any rationale better than "there must be some
reason".
--
David Kastrup, Kriemhildstr. 15, 44793 Bochum
- Re: find-file-noselect needs save-match-data, (continued)
- Re: find-file-noselect needs save-match-data, Richard Stallman, 2007/06/15
- Re: find-file-noselect needs save-match-data, Stefan Monnier, 2007/06/15
- Re: find-file-noselect needs save-match-data, David Kastrup, 2007/06/15
- Re: find-file-noselect needs save-match-data, Richard Stallman, 2007/06/16
- Re: find-file-noselect needs save-match-data, David Kastrup, 2007/06/16
- Re: find-file-noselect needs save-match-data, Richard Stallman, 2007/06/17
- Re: find-file-noselect needs save-match-data, David Kastrup, 2007/06/18
- Re: find-file-noselect needs save-match-data, Richard Stallman, 2007/06/18
- Re: find-file-noselect needs save-match-data,
David Kastrup <=
- Re: find-file-noselect needs save-match-data, Richard Stallman, 2007/06/19
- Re: find-file-noselect needs save-match-data, David Kastrup, 2007/06/19
- Re: find-file-noselect needs save-match-data, Richard Stallman, 2007/06/25
- Re: find-file-noselect needs save-match-data, Herbert Euler, 2007/06/15
- Re: find-file-noselect needs save-match-data, Stefan Monnier, 2007/06/17
- Re: find-file-noselect needs save-match-data, Richard Stallman, 2007/06/16
- Re: find-file-noselect needs save-match-data, Miles Bader, 2007/06/16
- Re: find-file-noselect needs save-match-data, Richard Stallman, 2007/06/17
- Re: find-file-noselect needs save-match-data, Herbert Euler, 2007/06/16
- Re: find-file-noselect needs save-match-data, Herbert Euler, 2007/06/16