a single character that is not one of these.</dd>
    
      <dt>(base wordend)</dt>
    
      <dd>Adjust the index to refer to the character just after the last one of the word containing the current index. If the current index refers to the last character of the text then it is not modified.</dd>
    </dl>
  
    <p>If more than one modifier is present then they are applied in left-to-right order. For example, the index <code>(end - 1 chars)</code> refers to the next-to-last character in the text and <co