Board Thread:Wiki Discussion/@comment-35301431-20130617151144/@comment-917693-20130619222933

to 2nd: switch will make it like when you type "|category = utau", it will appear as "Category: UTAU cover" on the page.

to 3rd. These are just listed in the table of contents, because in the template, the title of the derivative is made into a header. Simply removing it, will reduce this problem.