Support auto titling within terminal multiplexers

modules/terminal/README.md

@@ -15,7 +15,9 @@ directory, add the following to *zpreztorc*:
 
 Auto titling is disabled inside terminal multiplexers, except inside dvtm, since
 it interferes with window names defined in configuration files and profile
-managers.
+managers. This can be overridden by setting it to `always`.
+
+    zstyle ':prezto:module:terminal' auto-title 'always'
 
 ### Title formats
 

modules/terminal/init.zsh

@@ -124,8 +124,9 @@ then
 fi
 
 # Set up non-Apple terminals.
-if zstyle -t ':prezto:module:terminal' auto-title \
-  && ( ! [[ -n "$STY" || -n "$TMUX" ]] )
+if zstyle -t ':prezto:module:terminal' auto-title 'always' \
+  || (zstyle -t ':prezto:module:terminal' auto-title \
+    && ( ! [[ -n "$STY" || -n "$TMUX" ]] ))
 then
   # Sets the tab and window titles before the prompt is displayed.
   add-zsh-hook precmd _terminal-set-titles-with-path