Format decorators modify formatted strings to make
it readable by other applications, services, or formatters without requiring
a modification to the formatter that formats or unformats the string. You
can create format decorators for format definitions or compound format elements.
To
create a format decorator, follow these steps:
The decorators do not appear in the Format Hierarchy View.
By
adding format decorators to a format definition or compound format element
you form a format hierarchy.