[COMMIT] Test that all listed langenv input methods exist.

[Aidan Kehoe]

 Ar an chéad lá is fiche de mí Bealtaine, scríobh Stephen J. Turnbull: 

 > QUERY
 > 
 > Aidan Kehoe writes:
 > 
 >  > +         ;; on OS X. LATIN CAPITAL LETTER D WITH STROKE does decompose.
 >                                                             ^
 > "does not decompose"? --------------------------------------+

Ah, indeed, just noticed the missing “not” :-) . 

-- 
On the quay of the little Black Sea port, where the rescued pair came once
more into contact with civilization, Dobrinton was bitten by a dog which was
assumed to be mad, though it may only have been indiscriminating. (Saki)