Is it possible to ask jade doing something only if...

[baruchel <baruchel@xxxxxxxxxxxxxx>]

Hi,
is it possible to ask Jade to do something only if an element is present in the SGML ource document.
For instance, I am writing a dsl file to handle letters.
At the beginning, it writes a header:
  <header>
    <name>My_Name</name>
    <adr>My_adress</adr>
    <tel>XXXXXX</tel>
  </header>

  The trouble is that the <tel> field is optional, and that I don't want jade to put spaces if there is no <tel>, which it usually does before writing the phone number. The <header> element processes the three chlidren, and I would like that it does'nt process the third if there is no <tel>.
  Is it possible?

-- 
   .~.   Thomas Baruchel
   /V\   baruchel@xxxxxxxxxxxxxx
  // \\    Brest
 /(   )\   FRANCE
  ^`~'^


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