Pascal: WRITE Statement--the field specifier

The field specifier in the WRITE statement allows you to fix the number of
decimal places of a real number that will be printed; a field specifier of 0,
however, won't work:

WRITELN (REAL:5:0); doesn't work
WRITELN (REAL:5:1); does

See page 36 of the Apple Pascal Language Reference Manual for more
information.