Re: M-x ediff-files doesn't notify user of missing ediff-diff-program

[David Kastrup]

Stefan Monnier <address@hidden> writes:

>>              (condition-case nil
>>                  (apply 'call-process program nil buffer nil args)
>> !              (error (error "Cannot execute program %S." program)))
>
> BTW, why catch the error and re-raise it immediately?  The only
> reason I can think of is to raise a more user-friendly error, but
> I'm not sure the above is more user-friendly, and if it is, then
> maybe call-process's error message should be changed instead.

The above is actually quite programmer-unfriendly, since calling the
debugger on errors will not result in a useful stack trace.

-- 
David Kastrup, Kriemhildstr. 15, 44793 Bochum