Resending with markdown disabled (due to encoding issue with the
markdown interpreter of my email program):
As is known, the processing instructions (PI) of XMLEditor’s revision
functionality have some side effects when HTML documents are rendered as
text/html in a Web browser:
1. The title elements renders with a PI as part of its textual content
2. Script and style elements stop to function
The title element issue can be hacked around with a script that removes
the PI element from the text/html rendering:
document.title = document.getElementsByTagName("title"
)[0].textContent.replace(/^<\?xxe[^>]+>/,"");
Whereas the script and style elements can be made to work by introducing
code that causes the script/style element to be interpreted as two
elements (rather than one element) when rendered as text/html (due to
text/html’s lack of aderhence to CDATA declarations).
Script element example:
<script>/*<![CDATA[</script><script>/**/
document.title =
document.getElementsByTagName("title")[0].textContent.replace(/^<\?xxe[^>]+>/,"");
/*]]>*/</script>
When XMEditor with Revision trackign enabled saves the above code, it
will (currently) end up looking something like this - which still works:
<script><?xxe-sn rmbeo5stba
1xlgve8i36frr?>/*<![CDATA[*//*</script><script>/**/
document.title =
document.getElementsByTagName("title")[0].textContent.replace(/^<\?xxe[^>]+>/,"");
/*]]>*/</script>
Style element example:
<style>/*<![CDATA[</style><style>/**/
body {background:lime}
/*]]>*/</style>
Hope this helps someone ...
--
leif halvard silli
--
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