line number fixes  - restore some method augments that I shouldn't have deleted  - handle font change through a style-list callback
line number fixes
 - restore some method augments that I shouldn't have deleted
 - handle font change through a style-list callback

mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket