how to save œ other than utf8

[Stephen J. Turnbull]

Uwe Brauer writes:

 >    >> So how can I save it as iso-8859-15?
 > 
 >    > You already did, successfully so.  Your question should rather be how to
 >    > tell XEmacs to _read_ it as iso-8859-15.
 > 
 > And I have to add: the question is, alas, how also to tell GNU
 > emacs 23 to read it as iso-8859-15, because even with the solution
 > of putting
 > 
 > % Local Variables:
 > % buffer-file-coding-system: iso-8859-15
 > % End: 

That won't work, I think, because the file has already been read and
coding autodetected.  So this will change the coding system for
*saving* but not for the already read buffer.  Using the `coding'
pseudo-variable should work, though.