lib/internal.js
function final_s_zero(hash) {
    var stem = [hash.stem, 'स्'].join('');
    if (stem == hash.stem) return;
    if (!hash.stems) hash.stems = [];
    hash.stems.push(stem);
}
function final_s_zero(hash) {
    var stem = [hash.stem, 'स्'].join('');
    if (stem == hash.stem) return;
    if (!hash.stems) hash.stems = [];
    hash.stems.push(stem);
}
final_s_zero