Legend: Required / Optional / Forbidden, Yes / No
| Name | Start Tag | End Tag | Empty |
|---|---|---|---|
| A | R | R | N |
| ACRONYM | R | R | N |
| ADDRESS | R | R | N |
| APPLET | R | R | N |
| AREA | R | F | Y |
| B | R | R | N |
| BASE | R | F | Y |
| BASEFONT | R | F | Y |
| BDO | R | R | N |
| BIG | R | R | N |
| BLOCKQUOTE | R | R | N |
| BODY | O | O | N |
| BR | R | F | Y |
| BUTTON | R | R | N |
| CAPTION | R | R | N |
| CENTER | R | R | N |
| CITE | R | R | N |
| CODE | R | R | N |
| COL | R | F | Y |
| COLGROUP | R | O | N |
| DD | R | O | N |
| DEL | R | R | N |
| DFN | R | R | N |
| DIR | R | R | N |
| DIV | R | R | N |
| DL | R | R | N |
| DT | R | O | N |
| EM | R | R | N |
| FIELDSET | R | R | N |
| FONT | R | R | N |
| FORM | R | R | N |
| FRAME | R | F | Y |
| FRAMESET | R | R | N |
| H1 | R | R | N |
| H2 | R | R | N |
| H3 | R | R | N |
| H4 | R | R | N |
| H5 | R | R | N |
| H6 | R | R | N |
| HEAD | O | O | N |
| HR | R | F | Y |
| HTML | O | O | N |
| I | R | R | N |
| IFRAME | R | R | N |
| IMG | R | F | Y |
| INPUT | R | F | Y |
| INS | R | R | N |
| ISINDEX | R | F | Y |
| KBD | R | R | N |
| LABEL | R | R | N |
| LEGEND | R | R | N |
| LI | R | O | N |
| LINK | R | F | Y |
| MAP | R | R | N |
| MENU | R | R | N |
| META | R | F | Y |
| NOFRAMES | R | R | N |
| NOSCRIPT | R | R | N |
| OBJECT | R | R | N |
| OL | R | R | N |
| OPTION | R | O | N |
| P | R | O | N |
| PARAM | R | F | Y |
| PRE | R | R | N |
| Q | R | R | N |
| S | R | R | N |
| SAMP | R | R | N |
| SCRIPT | R | R | N |
| SELECT | R | R | N |
| SMALL | R | R | N |
| SPAN | R | R | N |
| STRIKE | R | R | N |
| STRONG | R | R | N |
| STYLE | R | R | N |
| SUB | R | R | N |
| SUP | R | R | N |
| TABLE | R | R | N |
| TBODY | O | O | N |
| TD | R | O | N |
| TEXTAREA | R | R | N |
| TFOOT | R | O | N |
| TH | R | O | N |
| THEAD | R | O | N |
| TITLE | R | R | N |
| TR | R | O | N |
| TT | R | R | N |
| U | R | R | N |
| UL | R | R | N |
| VAR | R | R | N |