If you have the Publisher Template Builder installed, you can preview the template and subtemplate combination before uploading them to the Publisher catalog.
To test from your local environment, you must alter the import template syntax to enable the Publisher processor to locate the subtemplate file on a local directory. To test, enter the import template syntax as follows:
or for an XSL subtemplate file:
You can then select the Preview option in the Template Builder and the Publisher processor can locate the subtemplate and render it from your local environment.
Note that before you upload the primary template to the Publisher catalog, you must change the import syntax to point to the appropriate location in the catalog.