Map ID naming constraints

You must follow the naming conventions when you assign map IDs.

The guidelines in this topic are a synopsis of the most salient points of XML NCName conventions.

Map IDs must begin with ONE of the following characters:
  • A-Z (uppercase letters)
  • a-z (lowercase letters)
  • Underscore ( _ )
In the remainder of the map ID, any of the above characters are allowed, with the addition of the following:
  • 0-9
  • Period (.)
  • Hyphen (-)
  • Colon (:)
An exhaustive discussion of permitted characters may be found at the following URL.