go back to using insert-before no-user-evaluation-message and related changes
go back to using insert-before no-user-evaluation-message and related changes

svn: r10515

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