-//IETF//DTD HTML 2.0 Strict//EN
-//W3C//DTD XHTML 1.1//EN +//IDN http://www.cis.ohio-state.edu/~gurari//DTD none so far//EN |
| prefix | registered (+), unregistered (-), iso |
| owner | owner identifier |
| class | type of object (e.g., DOCUMWNT, DTD, ENTITIES) |
| description | a unique text description |
| language | two uppercase characters from ISO 639 |
| version | optional |
The registered (+) prefix may also be used by
owners of internet domain names (IDN): +//IDN
IDN//... [WEB-SGML TC to ISO 8879] | |