BUG: Invalid escape modifiers count

[MEG Venture]

In the validator, the already validated codes are now giving "Invalid escape modifiers count" error. I haven't changed anything. An example line is provided below. 

 

Is that a validator bug?

<td·style="padding-bottom:5px;"><input·type="text"·name="reserve"·id="reserve"·size="10"·value="{if·isset($admintab_reserve)}{$admintab_reserve|escape:'htmlall'}{/if}"/>
    <tr>
      <td class="col-left"><label>{l s='Reserve price:' mod='mymodule'}</label></td>
      <td style="padding-bottom:5px;"><input type="text" name="reserve" id="reserve" size="10" value="{if isset($admintab_reserve)}{$admintab_reserve|escape:'htmlall'}{/if}"/>
</td></tr>
    <tr>
      <td colspan="2"><br />