Argh! I just did the update you suggested and it still doesn't parse the vB code on the Edit Profile screen. Here's the code snippet from member.php:
PHP Code:
...
eval("\$customfields .= \"".gettemplate("register_customfields")."\";");
}
$signature1=$bbuserinfo[signature];
$signature2=$bbuserinfo[signature];
$signature=bbcodeparse($signature1,0,$allowsmilies);
$sendsig=htmlspecialchars($signature2);
if ($allowhtml) {
...