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

    The Read Text from Display routine reads a line of text from a
    virtual display.

    Format

      SMG$READ_FROM_DISPLAY  display-id ,resultant-string

                             [,terminator-string] [,start-row]

                             [,rendition-string]

  Additional Information (explode) :

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