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SUBROUTINE PRSINS (AFTER,STRING,LOC,LENGTH) C$ (Parse Internal - Insert) C$ Insert LENGTH characters of a packed Hollerith string C$ beginning at position LOC in STRING(*), into the input C$ buffer following position AFTER to simulate user typein C$ when noise strings or default strings are supplied. Any C$ overflow from the insertion is discarded without warning, C$ but can be detected by checking if ENDIBF .GE. MAXIBF on C$ return. If AFTER .LT. BEGIBF, insertion is at the C$ beginning of the buffer,and if AFTER .GT. ENDIBF, insertion C$ is at the end. C$ (21-OCT-82)