Template:Parent monthly clean-up category/doc

Usage
Add to the top of maintenance categories that have monthly dated subcategories.

Parameters:


 * 1= Name of template used to place pages in this category
 * 2= Sortkey for this category in its parent categories
 * 3,4= optional other templates that also place pages in this category
 * backlog= if set, marks the page with
 * container= adds container category notice
 * tracking= adds tracking category notice
 * polluted= sets polluted category status

The template sets the Category:Wikipedia maintenance categories sorted by month.