[COMMIT GTK] Support all the types in selection-converter-out-alist on GTK.

[Aidan Kehoe]

 Ar an naoú lá is fiche de mí Lúnasa, scríobh Stephen J. Turnbull: 

 > Aidan Kehoe writes:
 >
 >  > [...]
 >  > Support all the types in selection-converter-out-alist on GTK.
 > 
 > Can this (in theory) be done as an -xlike change?  (If yes, I'm not
 > suggesting doing it now.)

It’s not useful to do it as an -xlike change, the patch is a workaround for
a limitation that doesn’t exist in X11. 

-- 
‘Iodine deficiency was endemic in parts of the UK until, through what has been
described as “an unplanned and accidental public health triumph”, iodine was
added to cattle feed to improve milk production in the 1930s.’
(EN Pearce, Lancet, June 2011)