Function is_precision

MathBox/mathbox-core.js:33733–33737

(token)

}

function is_precision(token) {
  return token.data === 'highp' ||
         token.data === 'mediump' ||
         token.data === 'lowp'
}

},{"../../through":227,"./expr":220,"./scope":222}],222:[function(require,module,exports){
module.exports = scope