Index: Cite_body.php
===================================================================
--- Cite_body.php	(revision 41257)
+++ Cite_body.php	(working copy)
@@ -128,7 +128,7 @@
 		$this->mParser = $parser;
 		
 		# The key here is the "name" attribute.
-		list($key,$group) = $this->refArg( $argv );
+		list($key,$group,$hidden) = $this->refArg( $argv );
 		
 		if( $str === '' ) {
 			# <ref ...></ref>.  This construct is always invalid: either
@@ -183,7 +183,7 @@
 			# fers to an existing one.  If it refers to a nonexistent ref,
 			# we'll figure that out later.  Likewise it's definitely valid
 			# if there's any content, regardless of key.
-			return $this->stack( $str, $key, $group );
+			return $this->stack( $str, $key, $group, $hidden );
 		}
 
 		# Not clear how we could get here, but something is probably
@@ -206,8 +206,8 @@
 		$group = null;
 		$key = null;
 
-		if ( $cnt > 2 )
-			// There should only be one key and one group
+		if ( $cnt > 3 )
+			// There should only be one key and one group and one hidden
 			return false;
 		else if ( $cnt >= 1 ) {
 			if ( isset( $argv['name'] ) ) {
@@ -223,16 +223,23 @@
 				unset( $argv['group']);
 				--$cnt;
 			}
+			
+			if ( isset( $argv['hidden'] ) ){
+				if ($argv['hidden']='true') $hidden=true;
+				else $hidden=false;
+				--$cnt;
+			}
+			else $hidden=false;
 
 			if ( $cnt == 0)
-				return array ($key,$group);
+				return array ($key,$group,$hidden);
 			else
 				// Invalid key
-				return array(false,false);
+				return array(false,false,false);
 		}
 		else
 			// No key
-			return array(null,$group);
+			return array(null,$group,false);
 	}
 
 	/**
@@ -242,7 +249,7 @@
 	 * @param mixed $key Argument to the <ref> tag as returned by $this->refArg()
 	 * @return string 
 	 */
-	function stack( $str, $key = null, $group ) {
+	function stack( $str, $key = null, $group, $hidden ) {
 		if (! isset($this->mRefs[$group])) 
 			$this->mRefs[$group]=array();
 		if (! isset($this->mGroupCnt[$group]))
@@ -279,14 +286,16 @@
 					// If no text found before, use this text
 					$this->mRefs[$group][$key]['text'] = $str;
 				};
-				return 
+				if (!$hidden) return 
 					$this->linkRef(
 						$group,
 						$key,
 						$this->mRefs[$group][$key]['key']."-".++$this->mRefs[$group][$key]['count'],
 						$this->mRefs[$group][$key]['number'],
 						"-".$this->mRefs[$group][$key]['key']
-					); }
+					);
+				else return '';
+			}
 		}
 
 		else