It's spelt like that
all through Alice in Wonderland.
Also 'wo'n't' (woll not), in Samuel Johnson's dictionary.
(
_Felix 's school of dance and occult sciences,
Fri 30 Nov 2007, 17:51,
archived)
I sha'n't read it,
I'm reading something else at the moment
(
ClanSoul,
Fri 30 Nov 2007, 17:52,
archived)