extra tags

  • <+n> -- create n additional horizontal space (float n)
  • <-n> -- for negative spacing

beware of

  • always use a <p> tag after ending a list or display.

Also, the filtering is done on an as best as possible basis. In some cases it will be very hard to get what you want. Actually, since it is a legacy format, you're not even supposed to use it. So, why bother.