Uncrustify: where do the Spaces options work

# Uncrustify: Where do the options work?

## Spaces for for loop

    {
            for (i = 0█;█i < 10█;█i++)
            {
                    b = i + 1;
            }

            for (█;█;█)
            {
                    b = b + 1;
            }
    }

# Register

sp_before_semi_for | Add or remove space before ';' in non-empty 'for' statements.
sp_before_semi_for_empty | Add or remove space before a semicolon of an empty part of a for statement.
sp_after_semi_for | Add or remove space after ';' in non-empty 'for' statements. Default=Force.
sp_after_semi_for_empty | Add or remove space after the final semicolon of an empty part of a for statement: for ( ; ; <here> ).