-[[!meta author="<TMPL_VAR NAME="NAME" ESCAPE=HTML>"]]
-[[!meta authorurl="<TMPL_VAR NAME="URL" ESCAPE=HTML>"]]
+<TMPL_IF AUTHOR>
+[[!meta author="<TMPL_VAR NAME ESCAPE=HTML>: <TMPL_VAR AUTHOR ESCAPE=HTML>"]]
+<TMPL_ELSE>
+[[!meta author="<TMPL_VAR NAME ESCAPE=HTML>"]]
+</TMPL_IF>
+[[!meta authorurl="<TMPL_VAR URL ESCAPE=HTML>"]]