Specifies a short description for the page. This will be put in
the html header, and can also be displayed by eg, the [[map]] directive.
+* keywords
+
+ Specifies keywords summarizing the contents of the page. This
+ information will be put in the html header. Only letters,
+ numbers, spaces and commas are allowed in this string; other
+ characters are stripped. Note that the majority of search
+ engines, including Google, do not use information from the
+ keywords header.
+
* permalink
Specifies a permanent link to the page, if different than the page