This is a PPWIZARD command line switch.
In any location where ppwizard needs to generate html tags you can control whether or not it generates the "<Tag />" format suitable for XML/XHTML etc when this is required.
By default ppwizard does not generate the extra space followed by slash.
The output of the "<?/>" macro is dependent on the XSLASH state.
If the "YesOrNo" parameter is not specified then it defaults to "Y", otherwise one of the following values is expected: