revdate test.

src/docs/asciidoc/wiki/emoji.adoc

@@ -1,7 +1,6 @@
 = Emoji Cheat Sheet
 :author: mitm
-:revnumber: 1.0
-:revdate: 
+:revnumber: 1.0 
 :stylesheet: twemoji-awesome.css
 ifdef::env-github,env-browser[:outfilesuffix: .adoc]