36760: more care with already unmetafied patter...
36700: unmetafy early for parameter match
36682: expand pattern interface to optimise unm...
36630: new function zsh_directory_name_generic
36580: don't copy empty buffer in compmatch.
36559: test earlier for overflow in pattern range
unposted: fix typo in test
Read full multibyte string early for self-insert