| Returns the value of an Wiki variable.
Attributes
- var - Name of the variable. Required.
- default - Revert to this value, if the value of "var" is null.
If left out, this tag will produce a concise error message
if the named variable is not found. Set to empty (default="")
to hide the message.
A default value implies failmode='quiet'.
author: Janne Jalkanen since: 2.0 |