[pmwiki-users] XHTML validation errors in PmWiki and in commentboxstyled.php

[Patrick R. Michaud]

On Thu, Feb 16, 2006 at 11:18:06AM +0100, Joachim Durchholz wrote:
> Hi all,
> 
> I just found two things that don't properly validate in the latest 
> stable PmWiki (sorry, can't upgrade to latest revision right now).
> 
> 1) (this one goes to PM) Doing
>    ''[@
>    blah
>    @]''
> will generate
>    <em><pre>
>    blah
>    </pre></em>
> outside of a <p>...</p> bracket. The W3C validator doesn't accept <pre> 
> outside of <p> (but it didn't complain about <em> outside of <p> - funny).

Hmmm?  <pre> (a block markup) isn't allowed within <p>...</p>.
Nor is there a requirement that inline markups exist inside of
<p>...</p>.

The validator *should* be complaining that a block markup (<pre>)
is nested inside of an inline markup (<em>).  I'm sticking by
my position that it's not worth the trouble for PmWiki to try to
detect and prevent *all* such invalid sequences.  (The classic 
example is   

    '''This produces ''invalid HTML''' output''.

Pm