code: private void scanText() {
  
          if (isLetter(mInput)) {
              mOutput.append(mInput);
              mPos++;
  
          } else {
              mType = TokenType.TEXT;
              mFinnished = true;
          }
      }
docs: Scans text token. A text is everything that with a character. It can
  contain numbers, all letters in upper or lower case and underscores.