Latest published version is png 3rd edition

Author: svgeesus

index.html

@@ -12,7 +12,6 @@
     var respecConfig = {
       group: "png",
       specStatus: "ED",
-      shortName: "png-4",
       copyrightStart: "1996",
       edDraftURI: "https://w3c.github.io/png/",
       github: {