KOS_OP_MATCH_RESET

• Style: EXTRA (RAW, RAW): cursor depth, mark depth.

• Stack: No stack effect; cannot miss.

• Semantics: Move the cursor at depth a0 back to the position of the mark at depth a1.

• Compiler form: Emitted by the match compiler where a branch of an (or ...), an optional or a repeat pass ends, returning the cursor to where it began.