/sys$common/syshlp/helplib.hlb FORTRAN, Error Messages, Compilation Errors, EXTCHASOU  *Conan The Librarian (sorry for the slow response - running on an old VAX)

  SEVERITY:  W

  MESSAGE TEXT:  Extra characters in source line were truncated

  EXPLANATION:  A source line was read that was longer than the
  statement field width and /WARNINGS=TRUNCATED_SOURCE was specified.
  The source line was truncated to the statement field width; 72 or
  132 characters, depending on the value of the /EXTEND_SOURCE
  command or OPTIONS statement qualifier in effect.