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Re: Please install: Some improvements to doc-view.el

From: Juri Linkov
Subject: Re: Please install: Some improvements to doc-view.el
Date: Wed, 10 Oct 2007 00:55:29 +0300
User-agent: Gnus/5.11 (Gnus v5.11) Emacs/23.0.50 (gnu/linux)

>> I think Gnus mechanism is irrelevant to doc-view.  Gnus uses mailcap
>> mechanisms to find the appropriate mailcap entry and run an external
>> program in a separate process.  doc-view displays the rendered image
>> in the Emacs buffer.  So it could work exactly as image-mode for
>> pdf/ps/dvi files.
> Ok, that sounds reasonable to me and I'm willing to implement it.  If I
> understand correctly, I have to add entries to `auto-mode-alist' and
> change `doc-view-mode' so that it calls `doc-view' for the current
> `buffer-file-name' plus a binding `C-c C-c' to toggle between the
> rendered image presentation and the text representation.  Is that
> correct?

Yes, this seems to be correct.  And also please don't forget to display
a message in the echo area saying how the user can switch to text-only
mode, something like:

Type C-c C-c to view the document as source text.

> One problem I see: Should `doc-view' called with NO-CACHE set to t?
> Personally I prefer calling (doc-view nil file) and adding a binding to
> the mode to reconvert the document.

Maybe, adding a binding like `g' (usually used to revert/refresh the buffer)
will help doing this.

Juri Linkov

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