>>>>Michel,
>>>>
>>>>Note that I have 2 messages posted to Rick in the UT suggestions section. I created a message, posted it, clicked browser back button, changed the message and posted again. This created a duplicate message.
>>>
>>>Why wouldn't it?
>>
>>I thought there are techniques ( both cookie-based and cookieless ) that can prevent that (?)
>
>You can prevent it, but there isn't an easy way to do it AFAIK. Sometimes you need to tell users to think first.
I thought it was widely used for things such as preventing people from checking out shopping carts more than once (amongst many other things). I'm not saying it's trivial, but if it's widely used there should be "best practices" available for major platforms.
Regards. Al
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