> From: Juri Linkov <[EMAIL PROTECTED]>
> Date: Wed, 11 May 2005 11:23:48 +0300
>
> ispell and aspell use different dictionaries. Changing the default
> ispell program name from "ispell" to "aspell" is an incompatible
> change for users configured Emacs to use ispell dictionaries,
> not aspell dictionaries.
I understand that. What I need is a way to distinguish between three
situations:
(1) user doesn't have aspell installed
(2) user has aspell installed, but configured it to use ispell's
dictionaries
(3) user has aspell installed and wants to use aspell's dictionaries
I know how to detect (1) -- use locate-file or similar technique to
look for aspell. But how to distinguish between (2) and (3)?
> `ispell-program-name' can be changed
> automatically to "aspell" only when `ispell-check-version' detects
> aspell's implemention of ispell, i.e. a program for which `ispell -v'
> returns:
>
> @(#) International Ispell Version 3.1.20 (but really Aspell 0.50.5)
So the conditions for (2) should be:
(a) locate-file finds an executable `ispell'
(b) that `ispell', when invoked with -v outputs the above banner
Is that right? Are we sure that no user will use aspell with ispell's
dictionaries _except_ through the `ispell' alias?
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