On 15/08/2020 14:50, Martin Gregorie wrote:
> Since all this can be done in the server, you need to know what the page
> looked like before it was selected for transmission in order to know if
> it has been modified by the server.

if its php et al its GENERATED by the server.


--
"A point of view can be a dangerous luxury when substituted for insight
and understanding".

Marshall McLuhan

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