SUBROUTINE

mark beginning of macro subroutine

[NAME]   - Name of the SUBROUTINE
[PARAMETER 1] - Optional 1st parameter
..
..
..
[PARAMETER N] - Optional Nth parameter

SUBROUTINE is a macro-based command that is used to mark the beginning of
a SUBROUTINE within a macro.  Optional 1-N parameters may be passed to the
SUBROUTINE.  SUBROUTINES in NeXtMidas are structured just like subroutines
in FORTRAN, and are used to modularize the macro in a similar way.

SUBROUTINES have a separate results table from the rest of the macro.  This 
means that commands within a SUBROUTINE can only access results declared 
in the SUBROUTINE, and that results declared within a SUBROUTINE are not 
available outside of the SUBROUTINE.

[NOTE: results scoping in SUBROUTINES is NOT YET implemented; up to and 
including 2.6.x, SUBROUTINES work the same way that PROCEDURES do.]

Switches: NONE

Examples:
  startmacro
    ..
    call testSub
    ..
  endmacro

  subroutine testSub
    SAY "This is the inside of the subroutine"
  return

See also: CALL, PROCEDURE, RETURN