PEP 426: update json schema

pep-0426/pydist-schema.json

@@ -12,7 +12,7 @@
     "generator": {
       "description": "Name and version of the program that produced this file.",
       "type": "string",
-      "pattern": "^[0-9A-Za-z]([0-9A-Za-z_.-]*[0-9A-Za-z])( \\((\\d+(\\.\\d+)*)((a|b|c|rc)(\\d+))?(\\.(post)(\\d+))?(\\.(dev)(\\d+))\\))?$"
+      "pattern": "^[0-9A-Za-z]([0-9A-Za-z_.-]*[0-9A-Za-z])( \\(.*\\))?$"
     },
     "name": {
       "description": "The name of the distribution.",
@@ -239,6 +239,9 @@
     },
     "document_name": {
         "type": "string"
+    },
+    "extra_name" : {
+        "type": "string"
     }
   }
 }