termsupport: protect title() with `emulate -L zsh`

This prevents it from malfunctioning when `setopt prompt_subst` is off.
2015-07-31 22:23:12 -04:00 · 2015-07-31 22:23:12 -04:00 · 90ea67edf0
parent 3d5b3430fd
commit 90ea67edf0
1 changed files with 3 additions and 0 deletions
--- a/lib/termsupport.zsh
+++ b/lib/termsupport.zsh
@ -7,6 +7,9 @@
 # (In screen, only short_tab_title is used)
 # Limited support for Apple Terminal (Terminal can't set window and tab separately)
 function title {
+  emulate -L zsh
+  setopt prompt_subst
+  
  [[ "$EMACS" == *term* ]] && return

  # if $2 is unset use $1 as default