Merge pull request #880 from darrenclark/fix-mac-terminal-app-echo-issue

Fixed Mac OS X Terminal.app related issue with extra newlines echoed

lib/termsupport.zsh

@@ -8,6 +8,8 @@ function title {
   fi
   if [[ "$TERM" == screen* ]]; then
     print -Pn "\ek$1:q\e\\" #set screen hardstatus, usually truncated at 20 chars
+  elif [[ "$TERM_PROGRAM" == "Apple_Terminal" ]]; then
+    print -Pn "\e]1;$1:q\a" #set icon (=tab) name (will override window name on broken terminal)
   elif [[ "$TERM" == xterm* ]] || [[ $TERM == rxvt* ]] || [[ "$TERM_PROGRAM" == "iTerm.app" ]]; then
     print -Pn "\e]2;$2:q\a" #set window name
     print -Pn "\e]1;$1:q\a" #set icon (=tab) name (will override window name on broken terminal)