Custom HTML Tag dialog box
Custom Toolbar > Other > Custom HTML Tag
(Customize dialog box > Commands tab > Insert > Other > Custom HTML Tag)
Tag name
Insert a tag name. It may not be properly expressed in the Edit window or in Web browsers depending on how it is interpreted.
Add
Click to add an attribute to the tag in the Attribute Name and Value dialog box.
Modify
Click to modify the attribute name and value in the Attribute Name and Value dialog box.
Remove
Click to remove the selected attribute from the list.