Template:Periods in Fooian television catnav/doc

This is a documentation subpage for Template:Periods in Fooian television catnav.
It may contain usage information, categories and other content that is not part of the original template page.

For use on container categories for television by country and time period, to create "See also" links to that county's television categories for other time periods.

e.g. On Category:Years in Chilean television:

On Category:Decades in German television

It is a wrapper around {{Category see also if exists}}, to save adding parameters

Usage

{{Periods in Fooian television catnav}}

No parameters needed

Warnings

If none of the other categories currently exists, then a warning message is displayed when the page is being previewed: Template:Category see also if exists — no output, because none of the categories currently exists.

This warning is displayed just below the "Preview" heading, and just above the page preview area. It is not displayed when the page has been saved