ISO Pascal reference manual

END.
[ space needed here)
*ERROR 10 -- digits are required before the decimal point
Appendix A
This error is generated when the compiler detects a floating-point constant
which has no leading digits. It is commonly caused by specifying constants
such as one half as '.5' rather than '0.5'.
PROGRAM fail;
VAR r : real;
BEGIN
END.
r := sin(2.34e-3);
IF r > .9 THEN writeln('strange');
*ERROR 11 -- a semicolon is required here
The input will only make sense if the compiler assumes that a semicolon has
been omitted at the indicated point.
PROGRAM fail(output);
VAR j : integer;
BEGIN
END.
j := 123
- there should be a semicolon here)
writeln('The square root of 123 is ', SQRT(j));
*ERROR 12 -- a reference to a variable is required here
This message is issued when the context demands a reference to a variable
and none has been found. The most common cause of this error is passing a
constant when a VAR parameter was specified in the procedure heading.
PROGRAM fail;
PROCEDURE clear(VAR x:integer); BEGIN
END;
BEGIN
END.
x := 0;
clear(1);
Pascal Issue 1 49