Allow templating in respond_fallback

Signed-off-by: Knut Ahlers <knut@ahlers.me>

action_respond.go

@@ -16,7 +16,9 @@ func init() {
 			if r.RespondFallback == nil {
 				return errors.Wrap(err, "preparing response")
 			}
-			msg = *r.RespondFallback
+			if msg, err = formatMessage(*r.RespondFallback, m, ruleDef, nil); err != nil {
+				return errors.Wrap(err, "preparing response fallback")
+			}
 		}
 
 		return errors.Wrap(

wiki/Home.md

@@ -32,7 +32,7 @@ rules: # See below for examples
     # Send responding message to the channel the original message was received in
     - respond: 'Hello chatter'    # String, applies templating
       respond_fallback: 'Oh noes' # String, text to send if the template function causes
-                                  # an error, does NOT support templating (default: unset)
+                                  # an error, applies templating (default: unset)
 
     # Issue a timeout on the user who wrote the chat-line
     - timeout: 1s # Duration value: 1s / 1m / 1h