With the Paddy green theme, but not other themes, I get:
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XML Parsing Error: not well-formed
Location: http://localhost/SS/new-articleholder/new-articlepage/
Line Number 130, Column 114: <p id="DeleteComments"><a href="localhost/SS/PageComment/deleteallcomments?pageid=31&SecurityID=afb7bd338746da91043ff35f45872e652eb312e5">
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whenever I allow user comments on an article
But only in firefox.

I am a total noob to SilverStripe, please use concise terminology that us noobs can comprehend.
Any help is welcomed as I am trying to run a professional website for a professional company, and this
sort of error needs to be addressed when discovered.

-----------------------------------------------------------------
Article page looks like this
-----------------------------------------------------------------
<% include Menu2 %>

<div id="Content" class="typography">

<% include Breadcrumbs %>

<h1>$Title</h1>
$Content
<div class="newsDetails">
Posted on $Date.Nice by $Author
</div>
$PageComments
</div>
-----------------------------------------------------------------------
ArticlePage.php looks like this
-----------------------------------------------------------------------
<?php
class ArticlePage extends Page {
static $icon = "themes/tutorial/images/treeicons/news";
static $db = array(
'Date' => 'Date',
'Author' => 'Text'

);
function getCMSFields() {
$fields = parent::getCMSFields();

$fields->addFieldToTab('Root.Content.Main', $dateField = new DateField('Date','Article Date (for example: 20/12/2010)'), 'Content');
$dateField->setConfig('showcalendar', true);
$dateField->setConfig('dateformat', 'dd/MM/YYYY');

$fields->addFieldToTab('Root.Content.Main', new TextField('Author'), 'Content');

return $fields;
}
}
class ArticlePage_Controller extends Page_Controller {
}

?>
-------------------------------------------------------------------------
Also: I have seen this http://www.silverstripe.org/general-questions/show/15389
and it does not seem to give a solution

Thanks for any assistance in advance
firewalker22