A source extractor for lightweight literate programming

# - - - - -   m a i n   - - - - -

#-- 1 --
for inFileName in sys.argv[1:]:
    #-- 1 body --
    # [ if inFileName names a readable, valid DocBook XML file ->
    #     output files named in that file  :=  code fragments
    #       designated for those files
    #     sys.stderr  +:=  error messages from processing that file,
    #                      if any
    #   else ->
    #     sys.stderr  +:=  error message ]
    processFile ( inFileName )