Enhancement - improve hints for plural forms

[leonardcj]

The idea is to display plural equation fragments when showing multiple boxes so localizers know what plural 0, plural 1 and plural 2 are supposed to be.

So for a language like Czech nplurals=3; plural=(n==1) ? 0 : (n>=2 && n<=4) ? 1 : 2;

You would have three boxes, each tagged to show what the right part of the plural equation is.

It would help a lot for the Baltic and Eastern European languages.

[dwaynebailey]

@leonardcj this is what current master displays for Plurals

I think it may be more useful if we were able to display the examples as exist in CLDR plurals.

[leonardcj]

The current display is improved from prior versions for sure. It gets a little trickier when you have more than two nplurals because the English POT text will only provide you with two forms.