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<div class=""><span style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; float: none; display: inline !important;" class="">It
can't happen with the back button at all.</span><br style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class="">
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<div class="">By definition, I guess, now that I think about it. If you've built a system that is so stateless that it is purely client-side, then there's no way the back button could matter, even in theory, so long as the client faithfully replays the entire
request and you haven't drifted out of some time window.</div>
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<div class="">At least that leaves me in even more solidarity with the users.</div>
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