A new flag to exclude unmapped glyphs from the old-style "kern" table. Required for compatibility with non-OpenType-aware Windows applications.
Added dialog option to exclude non-BMP glyphs from the old-style 'kern' table
Change warning message about non-BMP glyphs in the kern table
Merge pull request #1989 from catharanthus/kern_unmapped

An option to exclude non-BMP glyphs from the old-style kern table