4
enable the system's general preference "Update module templates from themes/yourtheme folder" - it is not entirely intuitive what this setting does, but one thing it does do is re-compile your theme's theme.html on each page load, if it has changed (so turn it off again, when you are happy with how your theme looks)
"When you can flatten entire cities at a whim, a tendency towards quiet reflection and seeing-things-from-the-other-fellow's-point-of-view is seldom necessary."
Cusix Software