Change template.Notify() to return true if it marks the template as
dirty, returns false if it has already been marked as dirty.
This change is to clarify the meaning of the template's Notify's boolean
return value as well as making it play nicer with the watcher to help
eliminate duplicate template notifications.
Change template.Notify() to return true if it marks the template as dirty, returns false if it has already been marked as dirty.
This change is to clarify the meaning of the template's Notify's boolean return value as well as making it play nicer with the watcher to help eliminate duplicate template notifications.