Document variables are definable and accessed through macros. The group has the following syntax.
| <variables> | ‘{\*’ <docvar>‘{’ <varname> ‘}’ ‘{’ <vartext> ‘}’ ‘}’* |
| <docvar> | \docvar |
| <varname> | #PCDATA |
| <vartype> | #PCDATA |
| Control Word | Definition |
| \ docvar | A group that defines a document variable name and its value. |