Index: includes/Parser.php
===================================================================
--- includes/Parser.php (revision 32187)
+++ includes/Parser.php (working copy)
@@ -4414,7 +4414,8 @@
                        'horizAlign' => array(), 'vertAlign' => array() );
                foreach( $parts as $part ) {
                        list( $magicName, $value ) = $mwArray->matchVariableStartToEnd( $part );
-                       if ( isset( $paramMap[$magicName] ) ) {
+                       if ( isset( $paramMap[$magicName] ) && !preg_match( '/[^0-9.]/',
+$value ) ) {
                                list( $type, $paramName ) = $paramMap[$magicName];
                                $params[$type][$paramName] = $value;