To understand the compile-time error message format, consider this incorrect source line:

S =B+C	

If this were line 7 of a source file ADD2.m, the compiler reports the compile-time error with the message:

S =B+C ^-----

At column 4, line 7, source module ADD2
 Variable expected in this context

The compile-time error message format consists of three lines. The first two lines tell you the line and location where the error occurred. The last line describes the M syntax error. If you requested a listing file, it contains the same information and looks as follows:

.
.
6 .  .  .
7 S =B+C
^-----
 Variable expected in this context
8 . . .
.
.