| Element | Property | Attribute | Result | Expected |
|---|---|---|---|---|
| img | height | height | (untested) | defaults to zero |
| img | hspace | hspace | (untested) | defaults to zero |
| img | vspace | vspace | (untested) | defaults to zero |
| img | width | width | (untested) | defaults to zero |
| object | hspace | hspace | (untested) | defaults to zero |
| object | vspace | vspace | (untested) | defaults to zero |
| pre | width | width | (untested) | defaults to zero |
| canvas | height | height | (untested) | defaults to defined value (150) |
| canvas | width | width | (untested) | defaults to defined value (300) |
| td | rowSpan | rowspan | (untested) | defaults to one |
| th | rowSpan | rowspan | (untested) | defaults to one |
| col | span | span | (untested) | defaults to one |
| colgroup | span | span | (untested) | defaults to one |
| select | size | size | (untested) | defaults to one |
| td | colSpan | colspan | (untested) | defaults to one |
| th | colSpan | colspan | (untested) | defaults to one |
| input | size | size | (untested) | defaults to defined value (20) |
| textarea | cols | cols | (untested) | defaults to defined value (20) |
| textarea | rows | rows | (untested) | defaults to defined value (2) |
| basefont | size | size | (untested) | defaults to zero |
| li | value | value | (untested) | defaults to zero |
| ol | start | start | (untested) | defaults to one |
| input | maxLength | maxlength | (untested) | defaults to -1 |
| textarea | maxLength | maxlength | (untested) | defaults to -1 |
| div | tabIndex | tabindex | (untested) | defaults to -1 |
| input | tabIndex | tabindex | (untested) | defaults to zero |