The process option UPDREV2 is identical to UPDREV with the exception that data between the following BookMaster® tags are not deleted in the update file:

:cgraphic.
:ecgraphic.

:fig.
:efig.

:lblbox.
:elblbox.

:nt.
:ent.

:screen.
:escreen.

:table.
:etable.

:xmp.
:exmp.