v vs. u m

user-visible changes between 93v- 2014-12-24 and 93u+m*

All of these sections are incomplete

Bugs in u+m with fixes in v-

• Prefixing command doesn't de-specialize special builtins.

Bugs in v- with fixes in u+m

• Many. Many not user visible. To do.

Features in u+m not in v-

• typeset -g
• .sh.{p,}pid special variables. (partial substitute for the pids builtin)
• .sh.tilde.{set,get} disciplines.

Features in v- not in u+m

• ~{fd} and ~{var} expansions. (undocumented)
• __ special variable. (undocumented)
• .sh.sig special compound variable. Exposes the siginfo_t structure. (undocumented)
• set -K numeric and reverse sorting for various kinds of arrays or positional parameters.
• typeset -c new=obj Like typeset -m (move) but performs an object copy from obj to new.