Plone calendar issue

The previous request, more clearly stated:-)

The forward/backward arrows in the calendar are html character
entities that cause accessibility errors "when read out of context by
screen readers" so I'm replacing them with gifs.

The question is what changes should be made to the table header code
below besides adding <img src="arrowlefticon.gif" alt="" title='''> in
place of &raquo; ?

<th id="calendar-next">
<a href="#" tal:attributes="href
python:'%s/%s?month:int=%d&amp;year:int=%d' % (anchor_url,
anchor_method, nextMonthTime.month(),nextMonthTime.year())"
title="next month">&raquo;</a>
</th>

Thank you.
Maxine


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