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echo '<div class="head"><table style="width: 100%;"><tr>' .
     '<td valign="bottom"><a href="' . $set['homeurl'] . '"><img src="' . $set['homeurl'] . '/theme/' . $userskin . '/images/logo.png" alt=""/></a></td><td align="right">' .
     ($user_id ? 'Вы:<a class="link" href="' . $set['homeurl'] . '/users/profile.php?act=office"><span class="red">' . mb_substr($login, 0, 1) . '</span>' . mb_substr($login, 1) . ' </a>' : '') .
     ($user_id ? '' : '<a class="link" href="' . $set['homeurl'] . '/login.php">' . $lng['login'] . '</a> <a class="link" href="' . $set['homeurl'] . '/registration.php">' . $lng['registration'] . '</a>' : '') .
     '</td></tr></table></div>';

This page contains the following errors:
error on line 14 at column 576: Opening and ending tag mismatch: body line 0 and div
Below is a rendering of the page up to the first error.

This page contains the following errors:
error on line 14 at column 498: Opening and ending tag mismatch: body line 0 and div
Below is a rendering of the page up to the first error.

This page contains the following errors:
error on line 37 at column 664: Opening and ending tag mismatch: body line 0 and div
Below is a rendering of the page up to the first error.