Spontaneously I’d have to say that the only solution I can think of is unfortunately using JavaScript. Something like:
<script type="text/javascript">
if (document.location.hash == "" || document.location.hash == "#")
document.location.hash = "#updates-list";
</script>
EDIT:
Ok, got a CSS solution. This however requires the default entry #updates-list
to be placed last (after #updates-map
and any other tabs you may add):
.tab, .tab:target ~ #updates-list {
display: none;
}
#updates-list, .tab:target {
display: block;
}