A format hierarchy forms when a format definition contains
a compound format element, which in turn contains other format elements, format
decorators, or reference formats. You can remove any elements from the format
hierarchy. When you remove a format element or a format decorator from the
hierarchy, you also delete that format element or format decorator. If you
remove a reference format from the hierarchy, you only delete the reference
format and do not delete the original format definition to which the reference
format refers.
To remove a format element, format decorator, or reference
format from the format hierarchy, follow these steps: