You can remove the declaration of an internal entity if there are no references to this entity.
To remove an internal entity declaration, do the following:
To call up the Internal Subset Entities Dialog, do one of the following:
Choose
.Right-click any entity reference in the ContentMap and select Entity Declarations from the context menu.
The Internal Subset Entities Dialog will appear. The left Choose Entity pane of the dialog shows the list of internal and external entities declared in the document.
Figure 1. Internal Subset Entities Dialog.
Only internal DTD subset entity declarations may be modified.
To select the subtree of internal entities, click the Internal subtree.
To choose an internal entity, click the internal entity's name in the Internal subtree.
The right Entity Content pane of the dialog shows the content of the chosen internal entity in plain text.
Figure 2. Internal entity selected.
To undeclare the selected internal entity, click the Remove Declaration button.