Mike Bridge
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Mike Bridge
asked on 18 Feb 2011, 11:54 PM
We have some namespace-qualified tags which users enter in the radeditor (using some custom buttons and editing windows), but it turns out that the browser or the editor is automatically adding <?xml:namespace prefix="myprefix"?> before these elements in IE8 and Chrome. (But not in Firefox.)
Any idea what it is? I can't find a standards document that defines "xml:namespace", mostly because colons don't seem to work in Google.)
More importantly, is there an elegant way to turn it off, or to I need to write a content filter to remove it?
Thanks,
-Mike
Any idea what it is? I can't find a standards document that defines "xml:namespace", mostly because colons don't seem to work in Google.)
More importantly, is there an elegant way to turn it off, or to I need to write a content filter to remove it?
Thanks,
-Mike
2 Answers, 1 is accepted
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Hello Mike,
Such xml:namespace prefixes are usually set by the Rich Text Editing engine of the browser to XML tags loaded in editable IFRAME elements like the content area of RadEditor. You should note that the editor is XHTML editor but not XML editor and XML custom tags are not supported.
To work and display XML tags you should set a namespace, some styling, e.g.
<cms:widget style="color:white;background-color: red; width: 100px;border: green 1px solid;" attributex="y">cms widget</cms:widget>
This is an requirement of Internet Explorer, explained in the following MSDN article: Using Custom Tags in Internet Explorer.
Let me know if you scenario is other and provide sample content and steps how to reproduce the problem.
Best regards,
Rumen
the Telerik team
Such xml:namespace prefixes are usually set by the Rich Text Editing engine of the browser to XML tags loaded in editable IFRAME elements like the content area of RadEditor. You should note that the editor is XHTML editor but not XML editor and XML custom tags are not supported.
To work and display XML tags you should set a namespace, some styling, e.g.
<cms:widget style="color:white;background-color: red; width: 100px;border: green 1px solid;" attributex="y">cms widget</cms:widget>
This is an requirement of Internet Explorer, explained in the following MSDN article: Using Custom Tags in Internet Explorer.
Let me know if you scenario is other and provide sample content and steps how to reproduce the problem.
Best regards,
Rumen
the Telerik team
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Mike Bridge
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answered on 23 Feb 2011, 06:51 PM
Yes, when I put your snippet into a RadEditor in IE8 it prepends <?xml:namespace prefix = cms />.
I can filter it out, but I was just wondering what it is and whether there was an easy way to turn it off. Since Google doesn't allow me to search for something with a colon in it, I couldn't find any mention for "xml:namespace" in any RFCs. The article you referenced uses the standard "xmlns" attribute instead.
Hmmm...
-Mike
I can filter it out, but I was just wondering what it is and whether there was an easy way to turn it off. Since Google doesn't allow me to search for something with a colon in it, I couldn't find any mention for "xml:namespace" in any RFCs. The article you referenced uses the standard "xmlns" attribute instead.
Hmmm...
-Mike