captions

hi,

we moved from 2.1.5 to 2.1.7 and noticed that article images have lost
the "caption" class definition. 
so the source looks like this now:
<tr><td><font size="1" face="arial">blabla</font></td></tr>
but it should be
<tr><td class="caption">blabla</td></tr>

thanks
braja