_\bf_\bi_\bl_\be _\b._\b._\b.; _\bz colon _\bf_\bi_\bl_\be _\b._\b._\b.: _\bz quest _\bf_\bi_\bl_\be _\b._\b._\b.? _\bz excl _\bf_\bi_\bl_\be _\b._\b._\b.! _\bz paren
_\bf_\bi_\bl_\be _\b._\b._\b.) _\bz bracket _\bf_\bi_\bl_\be _\b._\b._\b.] _\bz bar | _\bm op paren (_\ba op bracket [_\ba
+ quoted punctuation: _\ba (_\bb | _\bc) _\bd, b\bbo\bol\bld\bd.
+
OpenBSD August 21, 2014 OpenBSD