[wml] CSS support and XML namespaces

[Denis Barbier <nospam@thanx>]

Hi people,

these two issues are interesting and need some focus.

First, WML must improve its CSS support.  As a macro-processor, it is up
to end user to define his templates so that they provide some CSS support
when needed.  Unfortunately, some modules are shipped with WML and so i
also have to take care of that.
There are basically 2 solutions:
 a) add optional attributes in all defined tags
or
 b) add special tags in all HTML tags, e.g.
      <css:class tag=a text=" class=menu">
      ...
      <a href="http://domain.com/"<css:print tag=a>>Click here</a>
      ...
      </css:class>
    In this example, we can imagine than <css:print> expands to a null
    string except inside <css:class>...</css:class>, where it expands
    to the value of the `text' attribute.
    I do not know whether this syntax is efficient.

Second, after reading http://www.w3.org/TR/REC-xml-names/ i still do not
undertand what XML namespaces are for.  Could a XML user explain if this
notion is valuable for us?

-- 
Denis Barbier
WML Maintainer
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