location
      Specifies either (1) a single location whose contents are  to  be
      replaced  or  (2) the starting address of a sequence of locations
      whose contents are to be replaced.
 current-contents
      Specifies  one  or  more  data  entries  or  to  be replaced.
      The  data  you  specify must be the  actual contents.
      Do not specify conflicting data types  within  a  single  REPLACE
      command.
 new-contents
      Specifies one or more data entries or that are to replace the current
      contents.
      Do not specify conflicting data types  within  a  single  REPLACE
      command.