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Re: Isearch in dired

From: Juri Linkov
Subject: Re: Isearch in dired
Date: Sat, 08 Nov 2008 19:08:02 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/23.0.60 (x86_64-pc-linux-gnu)

> This doesn't have to be a special dired thing.  Surely it should be a
> major mode dependent hook:
> (defvar isearch-in-valid-region-p nil
>   "If non-nil, a function which returns non-nil if the current isearch
> match is acceptable.  It is given two parameters, the beginning and end
> of the match.")

except that such a hook already exists.  Its name is `isearch-success-function'.

> There are already several toggle keys in isearch-mode: M-r (toggle
> regexp), M-c (toggle case sensitivity), .....  So, how about C-M-z
> (toggle validation funtion)?

Currently in dired the toggle key is the same as the key that activates
filename isearch, i.e. `M-s f'.

> It's not that brilliant - in fact, it's pretty bad, but it doesn't
> shadow a useful function in the Emacs core (is C-M-z bound anywhere at
> all?) and it's no worse than C-M-w.  ;-(

`C-M-z' looks like a good more general alternative.

Juri Linkov

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