lastparen was described as being last open paren; it's actually highest
close paren. Also make it clear these correspond to $+ and $^N
created this object. */
/* Data about the last/current match. These are modified during matching*/
- U32 lastparen; /* last open paren matched */
- U32 lastcloseparen; /* last close paren matched */
+ U32 lastparen; /* highest close paren matched ($+) */
+ U32 lastcloseparen; /* last close paren matched ($^N) */
regexp_paren_pair *swap; /* Swap copy of *offs */
regexp_paren_pair *offs; /* Array of offsets for (@-) and (@+) */