insert index chars ?tagList chars tagList ...?)</dt>
    
      <dd>Inserts all of the chars arguments just before the character at index.</dd>
    </dl>
  
    <p>If index refers to the end of the text (the character after the last newline) then the new text is inserted just before the last newline instead.</p>
  
    <p>If there is a single chars argument and no tagList, then the new text will receive any tags that are present on both the character before and the character after the insertion point; if a 