REVINFO -- revision information of current topic

%REVINFO% is equivalent to %REVINFO{format="r1.$rev - $date - $wikiusername"}%

Examples

Parameter	Description	Default
`"format"`	Format of revision information, see supported formatting tokens below	`"r$rev - $date - $time - $wikiusername"`
`web`	Name of web	Current web
`topic`	Topic name	Current topic
`rev`	Specific revision number	Latest revision

Supported formatting tokens:

Token	Unit
`$web`	Name of web
`$topic`	Topic name
`$rev`	Revision number
`$username`	Login username of revision
`$wikiname`	WikiName of revision
`$wikiusername`	WikiName with Main web prefix
`$date`	Revision date. Actual date format defined as {DefaultDateFormat} in configure
`$time`	Revision time
`$iso`	Revision date in ISO date format
`$min`, `$sec`, etc.	Same date format qualifiers as GMTIME{"format"}

%REVINFO{"$date - $wikiusername" rev="43"}%

To get the latest revision, even when looking at an older revision:
```
%REVINFO{"$rev" rev="-1"}%
```