--- core/string_api.php.orig	Fri Feb  4 23:28:17 2005
+++ core/string_api.php	Fri Feb  4 23:53:07 2005
@@ -94,6 +94,7 @@
 		$p_string = string_insert_hrefs( $p_string );
 		$p_string = string_process_bug_link( $p_string );
 		$p_string = string_process_cvs_link( $p_string );
+		$p_string = string_process_interwiki_link( $p_string );
 
 		return $p_string;
 	}
@@ -158,6 +159,18 @@
 		return preg_replace( '/cvs:([^\.\s:,\?!]+(\.[^\.\s:,\?!]+)*)(:)?(\d\.[\d\.]+)?([\W\s])?/i',
 							 $t_replace_with,
 							 $p_string );
+	}
+
+	function string_process_interwiki_link( $p_string, $p_include_anchor=true ) {
+		$t_interwiki_map = config_get( 'interwiki_map' );
+		
+		foreach (array_keys($t_interwiki_map) as $moniker) {
+			$mkeys[] = preg_quote($moniker, '/');
+		}
+		$regexp = "/(?<![[:alnum:]])" .  "(" . join("|", $mkeys) . ")". ":([[:alnum:]]+)(?<![ ,.?;!\]\)\"\'])/e";
+		$t_replace_with = '\'<a href="\'.$t_interwiki_map[\'\\1\'].\'\\2" target="_new">\\2</a>\'';
+
+		return preg_replace($regexp, $t_replace_with, $p_string);
 	}
 
 	# --------------------