Re: [Bug-AUCTeX] preview-1.247; preview-latex makes desktop restoration fail for some buffers

[David Kastrup]

Ralf Angeli <address@hidden> writes:

> Suppose you have a directory with two LaTeX files.  Have those two
> files opened and call `M-x desktop-save RET' (if you have desktop.el
> and preview-latex enabled).  After restarting Emacs only one of the
> files will be loaded and the message
>
> Desktop: 1 buffer restored, 1 failed to restore.
>
> will be printed to the *Messages* buffer.
>
> What is happening is that desktop.el calls `desktop-buffer-preview'
> for latex-mode files which will return nil unless it finds the symbol
> 'preview in the car of `desktop-buffer-misc'.  But if you didn't have
> any active previews such a symbol will not be present because
> `desktop-buffer-preview-misc-data' didn't write generate anything like
> that.  I think in such cases `desktop-buffer-preview' should just
> return the buffer without extra processing in contrast to returning
> nil.  Here is a patch doing this:
>
>
>
> WDYT?

Sounds like the right thing to do.  Probably an oversight.

-- 
David Kastrup, Kriemhildstr. 15, 44793 Bochum