NREFFL NREF, no-sv 1 Match already matched string, folded in loc.
-#*Special conditionals
+#*Special conditionals (70..72)
NGROUPP NGROUPP, no-sv 1 Whether the group matched.
RECURSEP RECURSEP, num 1 Whether we are in a specific recurse.
DEFINEP DEFINEP, none 1 Never execute directly.
+#*Bactracking
+OPFAIL OPFAIL, none Same as (?!)
+
# NEW STUFF ABOVE THIS LINE -- Please update counts below.
################################################################################
-#*SPECIAL REGOPS (70, 71)
+#*SPECIAL REGOPS
# This is not really a node, but an optimized away piece of a "long" node.
# To simplify debugging output, we mark it as if it were a node