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`save-excursion' defeated by `set-buffer'


From: Andreas Röhler
Subject: `save-excursion' defeated by `set-buffer'
Date: Wed, 02 Mar 2011 18:12:15 +0100
User-agent: Mozilla/5.0 (X11; U; Linux i686; de; rv:1.9.1.11) Gecko/20100711 Thunderbird/3.0.6


Hi,

`byte-compile-file' sends a warning

`save-excursion' defeated by `set-buffer'

with resp. to such a form

 (save-excursion
   (set-buffer blub)
   ...
   )

As the docu of save-excursion says:

Save point, mark, and current buffer; execute BODY; restore those things

would expect previous buffer restored, don't understand
that warning.

Any help?
Thanks

Andreas

--
https://code.launchpad.net/~a-roehler/python-mode/python-mode-components
https://code.launchpad.net/s-x-emacs-werkstatt/



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