HTML backend - element undefined

Subject: HTML backend - element undefined
From: "Ubik Sven" <UBIK@xxxxxxxxxxxx>
Date: Fri, 25 Jul 1997 11:14:18 MET-1MEST
I tried to use formatting-instruction flow object class formerly
documented in as implemented in Jade
to support the HTML backend. I tried an example given in the cited

(declare-flow-object-class formatting-instruction
  "UNREGISTERED::James Clark//Flow Object Class::formatting-instruction")

(element q
    (make formatting-instruction
      data: "<pre>")
    (make formatting-instruction
      data: "</pre>")))

But Jade responded:

jade:pokus.dsl:17:15:E: element "PRE" undefined

How can I define the "PRE" element? Is the HTML backend still supported?
I found that it is now not mentioned in page.
I use Jade 0.5 in Solaris 2.3.

Sven Ubik

Sven Ubik                      Faculty of Mechanical Engineering
                               Czech Technical University
E-mail:  ubik@xxxxxxxxxxxx     Technicka 4, Prague 6, 166 07
         ubik@xxxxxxx          Czech Republic

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