Template:Taxonomy preload/doc

Usage
Helps to choose a "preload" template by returning the end of its name. Values returned:
 * preload → Taxonomy/preload
 * preload/? → Taxonomy/preload/?
 * preload/?? → Taxonomy/preload/??
 * preload/incertae_sedis → Taxonomy/preload/incertae sedis
 * sameas → Taxonomy/sameas