Merge pull request #804 from gregsdennis/master

fixed regex for $id in core metaschema

Author: gregsdennis

meta/core.json

@@ -13,7 +13,7 @@
             "type": "string",
             "format": "uri-reference",
             "$comment": "Non-empty fragments not allowed.",
-            "pattern": "^[^#]#?$"
+            "pattern": "^[^#]*#?$"
         },
         "$schema": {
             "type": "string",