To unselect a hilited item in your list, click this button.

Not available because nothing is hilited in your list.

To unselect the hilited item in your list, click this button.

This list contains the commands or environments that you have defined.

To select the number of arguments for a command or environment, use this menu.

To enter a new command, type it in this box.

To remove a hilited item from the list, click this button.

Not available because there is no hilited item in the list.

To remove the hilited item from the list, click this button.

To add a new command to the list, click this button.

Not available because there is no text in the edit box.

To add a new command to the list, click this button.

To replace the hilited item with the text in the edit box, click this button.

Not available because there is no text in the edit box, or because there is no hilited item.

To replace the hilited item with the text in the edit box, click this button.

To discard any changes you have made, click this button.

To make the definitions in your list active, click this button.