What hippo was demonstrating in his example is that the uri filter encodes < and > quite fine. Does his test program succeed in your installation? If it doesn't, then there's something wrong in your TT installation. If it does, then you need to closely inspect the generated result of your TT process.

In reply to Re^3: encode html entities in TT format by haj
in thread I want to encode html entities in TT format to remove cross site scripting, I have followed the articles here for xss but could not able to implement in my code. by dipit

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