Quickfix for TileMill/#777

13 years ago · e6d2764a95
parent 5413e9e44c
commit e6d2764a95
1 changed files with 1 additions and 1 deletions
--- a/lib/carto/tree/definition.js
+++ b/lib/carto/tree/definition.js
@ -108,7 +108,7 @@ tree.Definition.prototype.symbolizersToXML = function(env, symbolizers, zoom) {
        xml += '    <' + name + ' ';
        for (var key in attributes) {
            var x = tree.Reference.selector(attributes[key].name);
-            if (x.serialization && x.serialization === 'content') {
+            if (x && x.serialization && x.serialization === 'content') {
                selfclosing = false;
                tagcontent = attributes[key].eval(env).toXML(env, true);
            } else {