Updates to make mode=>'frac' properly emulate the original num_cmp behavior (it now allows decimals and fractions instead of requiring a fraction). There is also a new LimitedNumeric-StrictFraction context (not currently used) that disallows decimals and requires fractions.
Changed paths:
trunk/pg/lib/Parser/Legacy/LimitedNumeric.pm
trunk/pg/lib/Parser/Number.pm