FYI: fix PR gdb/8869

[Eli Zaretskii]

> From: Pedro Alves <pedro@codesourcery.com>
> Date: Thu, 13 Aug 2009 16:03:03 +0100
> 
>  (gdb) set language
>  Requires an argument. Valid arguments are unknown, local, auto, ada, c, c++, asm, minimal, fortran, objective-c, java, modula-2, pascal, scheme.
> 
> vs.
> 
>  (gdb) set language
>  Requires an argument. Valid arguments are auto, local, unknown, ada, c, c++, asm, minimal, fortran, objective-c, java, modula-2, pascal, scheme.
> 
> "Valid arguments are unknown" strikes me as odd.

You could say

   Valid arguments are: unknown, local, auto, ...

It is also more grammatically correct, I believe.

> I guess we can also claim that it is weird that
> "set language" doesn't show an alphabetically sorted list, while
> "set language<TAB>" does.  Anyone bothered enough to go address that?

I indeed think the list should be alphabetized.  As the list grows,
having any other order will make it easier to miss some language you
are looking for.