The "Missing:"s below indicate that an entry is incomplete.

• either the entry exist in the language, and please tell.
• either the entry doesn't exist in the language, and please tell so. The entry will be marked as such and won't appear as missing anymore.

• Various

  <!-- ... -->	commenting (non nestable)
  case-sensitive	tokens (case-sensitivity (keywords, variable identifiers...))

• Package, Module

  <node xmlns="namespace"> ... </node>	declare
  :	package scope