The Free On-line Dictionary of Computing (30 December 2018):

Software Writer's Language
NCRL
NCR Language
SWL

    (SWL) /swil/ An industrial strength dialect of
   Pascal that allowed multiple source code files, originally
   developed at Control Data Corporation (CDC) prior to 1973.
   Development continued at the Integrated Systems Laboratory.
   SWL was adopted by NCR as its corporate operating system and
   compiler implementation language (1978-1982+).  The NCR SWL
   dialect was renamed NCRL (NCR Language) in 1981 and continued
   development [until ?].

   (2003-12-31)