... parse /Users/krinkle/Development/less.php/test/Fixtures/lessjs-2.5.3/less/urls.less Fail
--- actual
+++ /Users/krinkle/Development/less.php/test/Fixtures/lessjs-2.5.3/css/urls.css
@@ -2,7 +2,7 @@

 @font-face {
   font-family: 'MyWebFont';
   src: url(webfont.eot);
-  src: url('webfont.eot?#iefix');
-  src: format('embedded-opentype');
-  src: url('webfont.woff') format('woff');
-  src: format('truetype');
-  src: url('webfont.ttf');
-  src: url('webfont.svg#svgFontName') format('svg');
+  src: url('webfont.eot?#iefix') format('embedded-opentype'), url('webfont.woff') format('woff'), format('truetype') url('webfont.ttf'), url('webfont.svg#svgFontName') format('svg');
 }

 #file-functions {
   uri: url('../data/data-uri-fail.png');
-  svg-not-base-64: url("data:image/svg+xml;base64,PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiIHN0YW5kYWxvbmU9Im5vIj8+CjxzdmcgaGVpZ2h0PSIxMDAiIHdpZHRoPSIxMDAiPgogIDxjaXJjbGUgY3g9IjUwIiBjeT0iNTAiIHI9IjQwIiBzdHJva2U9ImJsYWNrIiBzdHJva2Utd2lkdGg9IjEiIGZpbGw9ImJsdWUiIC8+Cjwvc3ZnPgo=");
-  size: image-size('../data/data-uri-fail.png');
-  width: image-width('../data/data-uri-fail.png');
-  height: image-height('../data/data-uri-fail.png');
+  svg-not-base-64: url("data:image/svg+xml,%3C%3Fxml%20version%3D%221.0%22%20encoding%3D%22UTF-8%22%20standalone%3D%22no%22%3F%3E%0A%3Csvg%20height%3D%22100%22%20width%3D%22100%22%3E%0A%20%20%3Ccircle%20cx%3D%2250%22%20cy%3D%2250%22%20r%3D%2240%22%20stroke%3D%22black%22%20stroke-width%3D%221%22%20fill%3D%22blue%22%20%2F%3E%0A%3C%2Fsvg%3E%0A");
+  size: 640px 430px;
+  width: 640px;
+  height: 430px;
 }