From GNUpdf
Integer Numbers
-lmt ... 0 ... +lmt
Integer syntax
[ -+]?[0-9]+
Note: if an integer exceed the implementation limit, it is converted to a real value
Real Numbers
- Defined by range and precision
- Usually represented in fixed-point rather than floating point.
Real syntax
[ -+]?[0-9]*\.?[0-9]*
Note: if a real exceed the implementation limit, an error occurs