Open Programming Language, aka Open Programming Language, is an actively used programming language created in 1984.

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Example code from Wikipedia:

PROC test:
  dINIT "Your Challenge"
  dTEXT "","Will your answer to this question be no?"
  dBUTTONS "Yes",%y,"No",%n
  IF DIALOG=%y
     PRINT "No it wasn't!"
  ELSE
     PRINT "Yes it was!"
  ENDIF
  GET
ENDP
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Last updated February 11th, 2019