Empty <ul> elements cause validation problem

There is a bug which causes an empty <ul> element to
appear (with no <li> elements as children) in the drop-
down menu which links to the home page, which
prevents the page from validating.

To fix it, enclose the <ul> element in menu_global.tpl
with the following:

{if $gBitSystem->isFeatureActive( 'feature_contact' ) or
$gBitUser->isRegistered()}

<!-- <ul> goes here -->

{/if}

In other words, just make sure that the <ul> element
only is used when at least one of the <li> elements is
used.

Also, this technique should be applied to all the drop-
down menus in the top menu, since they can have this
problem as well.

I hope this bug can be fixed soon.