Add open parentheses to cite regex

Allows cite regex to match a post number after an opening parenthesis. "I like the comfy threads (>>1 and >>2) because they're comfy"
From fallenPineapple@d78254b

inc/functions.php

@@ -2086,7 +2086,7 @@ function markup(&$body, $track_cites = false, $op = false) {
 	$tracked_cites = array();
 
 	// Cites
-	if (isset($board) && preg_match_all('/(^|\s)>>(\d+?)((?=[\s,.)?!])|$)/m', $body, $cites, PREG_SET_ORDER | PREG_OFFSET_CAPTURE)) {
+	if (isset($board) && preg_match_all('/(^|[\s(])>>(\d+?)((?=[\s,.)?!])|$)/m', $body, $cites, PREG_SET_ORDER | PREG_OFFSET_CAPTURE)) {
 		if (count($cites[0]) > $config['max_cites']) {
 			error($config['error']['toomanycites']);
 		}
@@ -2133,7 +2133,7 @@ function markup(&$body, $track_cites = false, $op = false) {
 	}
 
 	// Cross-board linking
-	if (preg_match_all('/(^|\s)>>>\/(' . $config['board_regex'] . 'f?)\/(\d+)?((?=[\s,.)?!])|$)/um', $body, $cites, PREG_SET_ORDER | PREG_OFFSET_CAPTURE)) {
+	if (preg_match_all('/(^|[\s(])>>>\/(' . $config['board_regex'] . 'f?)\/(\d+)?((?=[\s,.)?!])|$)/um', $body, $cites, PREG_SET_ORDER | PREG_OFFSET_CAPTURE)) {
 		if (count($cites[0]) > $config['max_cites']) {
 			error($config['error']['toomanycross']);
 		}