|This is a documentation subpage for Template:BOOKPAGENAME/user.|
It contains usage information, categories and other content that is not part of the original template page.
The two parameters expected are
At this writing, the associated book name for a page in userspace is everything before the second slash, except that if that ends with
/sandbox, everything before the third slash is taken. Books and book fragments in userspace are likely to be exceptional anyway, so any default rule used here is only a guess and should probably be treated as provisional, subject to change without warning; but meanwhile, these rules were chosen as possibly-useful.