Option: PXRM TAXONOMY COPY

This option allows the user to copy an existing taxonomy definition into a
definition.
new taxonomy entry in the PCE Taxonomy file (#811.2).  The original
taxonomy to be copied is selected first.  If the original taxonomy is
prefixed with "VA-", the "VA-" will be stripped off the name automatically
to create the name for the new taxonomy entry.  The new name must be
unique.  If the new name is not unique, the user must enter a unique name
for the new taxonomy entry.  If no name is provided, the new entry will
not be created.  Once a new name is defined for the new taxonomy entry,
the new taxonomy entry can be edited to reflect the local taxonomy