Ticket #30554: patch.diff

src/wp-includes/js/tinymce/tinymce.js

@@ -10307 +10307 @@
                 add("a", "href target rel media hreflang type", phrasingContent);
                 add("q", "cite", phrasingContent);
                 add("ins del", "cite datetime", flowContent);
-                add("img", "src srcset alt usemap ismap width height");
+                add("img", "src srcset alt usemap ismap width height sizes");
                 add("iframe", "src name width height", flowContent);
                 add("embed", "src type width height");
                 add("object", "data type typemustmatch name usemap form width height", flowContent, "param");