Comments are added by the HTML serializer without break lines.
For example, if the code added to HTML expert content is:
<script type="text/javascript" src="http://widget.xxxx.fr/widget/script/xxxxx.js"></script>
<script type="text/javascript">
insertApecWidget('http://widget.xxxx.fr/widget/','111111111111','111','111','1');
</script>
once generated, we have :
<script type="text/javascript" src="http://widget.xxxx.fr/widget/script/xxxxx.js"></script>
<script type="text/javascript"><!--insertApecWidget('http://widget.xxxx.fr/widget/','111111111111','111','111','1');-->
</script>
instead of
<script type="text/javascript" src="http://widget.xxxx.fr/widget/script/xxxxx.js"></script>
<script type="text/javascript">
<!--
insertApecWidget('http://widget.xxxx.fr/widget/','111111111111','111','111','1');
-->
</script>
The comments are well added but the break lines are lost