hting a specific word or range of text, instead of all instances
		 of a word. Works with multiple line text ranges. Note that highlights drawn this way are
		 temporary, and will be removed the next time highlights are redrawn (by calling update, or
		 scrolling the field for example).
		 
		 </p><p><span class="label"> Parameters </span><table cellpadding="0" cellspacing="0" border="0"><tr><td width="20px"></td><td><code><span class="label">beginIndex</span>:int</code> &mdash; The character index to begin