Page source:

<form action="/webl/WubHub_DoIt" method="post">
<table>
   <input name="cmdline" 
     value="defineBinaryTag(sourceTitle,sourceUrl,targetTitle,targetUrl,tag)"     
     type="hidden"/>
<tr>
<td>
   Source: 
</td><td>
Title: <input name="sourceTitle" value="<webl>WubEval(Wub_GetVaultValue("src")).title</webl>" size="45"/> <br>
Url:
      <input name="sourceUrl" value="<webl>WubEval(Wub_GetVaultValue("src")).url</webl>" size="45"/>
</td>
</tr>
<tr>
<td>
   Target: 
</td><td>
Title:
<input name="targetTitle" value="<webl>WubEval(Wub_GetVaultValue("target")).title</webl>" size="45"/> <br>
Url:
      <input name="targetUrl" value="<webl>WubEval(Wub_GetVaultValue("target")).url</webl>" size="45"/>
</td></tr>
<tr>
<td>
   Tag:
</td><td>
        <input name="tag" value="" size="45" title="Enter binary tag"/><br>
         <input type="submit" value="Record Tag">
</td>
</tr>

</table>
</form>