| Name | Type | Default | Comment |
|---|
| class | CDATA | #IMPLIED | space-separated list of classes |
| dir | ( ltr | rtl ) | #IMPLIED | direction for weak/neutral text |
| id | ID | #IMPLIED | document-wide unique id |
| lang | NMTOKEN | #IMPLIED | language code (backwards compatible); language code as RFC3066 |
| prompt | CDATA | #IMPLIED | text used for titles |
| style | CDATA | #IMPLIED | associated style info; style sheet data |
| title | CDATA | #IMPLIED | advisory title; text used for titles |
| xml:lang | NMTOKEN | #IMPLIED | language code (as per XML 1.0 spec); language code as RFC3066
|