VMS Help FORTRAN, Error Messages, Compilation Errors, EXT_LEX  *Conan The Librarian (sorry for the slow response - running on an old VAX)

  SEVERITY:  I

  MESSAGE TEXT:  Extension to FORTRAN-77:  nonstandard lexical item

  EXPLANATION:  One of the following nonstandard lexical items was
  used:

   o  An alternate return specifier with an ampersand (&) in a CALL
      statement

   o  The apostrophe (') form of record specifier in a direct access
      I/O statement

   o  A variable format expression