Re: Undocumented change in binding of buffer-local variables?

[storm@cua.dk (Kim F. Storm)]

Luc Teirlinck <teirllm@dms.auburn.edu> writes:

> There used to be (in Emacs20.7 and earlier) a problem with binding a
> buffer-local variable with let and then exiting the let form with a
> different current buffer.
> 
> >From experimentation, it would seem that this problem is now totally
> solved.  Is this correct?  If so, would it not be worth mentioning
> this in the GNU Emacs NEWS?  (Maybe I overlooked something, but
> conducting a search for "let" failed to find anything related.)
> 
> I found a bug in ielm which I can easily fix and for which I will send
> a report and patch soon.  However, the best solution depends on
> whether or not it is now safe to exit a let-form, binding buffer-local
> variables, with a changed current buffer.
> 

Please read the updated information in the elisp manual
section "Introduction to Buffer-Local Variables".

The Warning and the example related to buffer-local variables
have been updated.

-- 
Kim F. Storm <storm@cua.dk> http://www.cua.dk