Try to disable the Carbon event loop in response to recent problems on the Macintosh.
wordlistparser: assert backmapping only under Unicode enc and debug mode
wordlistparser: restore unencoded glyphs decoding
Merge pull request #2008 from fontforge/enc

wordlistparser: restore unencoded glyphs decoding
Merge pull request #2004 from fontforge/disable_carbon_1

Disable the Carbon event loop.