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RTL Routines, SMG$, SMG$END_DISPLAY_UPDATE
 *Conan The Librarian 

    The End Display Update routine ends update batching for a virtual
    display.

    Format

      SMG$END_DISPLAY_UPDATE  display-id

  1 - Returns 

    OpenVMS usage:cond_value
    type:         longword (unsigned)
    access:       write only
    mechanism:    by value

  2 - Argument 

 display-id

    OpenVMS usage:identifier
    type:         longword (unsigned)
    access:       read only
    mechanism:    by reference

    Specifies the virtual display to be affected. The display-id
    argument is the address of an unsigned longword that contains the
    display identifier.

    The display identifier is returned by SMG$CREATE_VIRTUAL_DISPLAY.
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