bug#15109: 24.3.50; doc of `x-get-selection, `selection-converter-alist', `xselect-convert-to-*'

[Stefan Monnier]

> On the other hand, although `x-get-selection' has that prefix,
> it _is_ defined and used on Windows.  Likewise, `x-set-selection'.
> Code that makes use of the secondary selection will make use of
> such functions, for instance.
> So maybe they should lose their `x-' prefix (or suitable unprefixed
> synonyms or wrapper functions be provided).

Indeed.


        Stefan