#*Verbs With Arguments
-VERB VERB, no-sv 1 Used only for the type field of verbs
+VERB VERB, no-sv 1 Used only for the type field of verbs
PRUNE VERB, no-sv 1 Pattern fails at this startpoint if no-backtracking through this
MARKPOINT VERB, no-sv 1 Push the current location for rollback by cut.
SKIP VERB, no-sv 1 On failure skip forward (to the mark) before retrying