Indicates that the content of the associated element will be coded in one of the named notations.
| Value | Meaning |
|---|---|
| LaTeX | The content of the associated element will be in LaTeX. |
| TEX | The content of the associated element will be in TeX. |
| TeX | The content of the associated element will be in TeX. |
| tex | The content of the associated element will be in TeX. |