1var sameVendorPrefixes = require('./vendor-prefixes').same;
2
3function understandable(validator, value1, value2, _position, isPaired) {
4  if (!sameVendorPrefixes(value1, value2)) {
5    return false;
6  }
7
8  if (isPaired && validator.isVariable(value1) !== validator.isVariable(value2)) {
9    return false;
10  }
11
12  return true;
13}
14
15module.exports = understandable;
16