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Magento




Persistent templates



What this means is that, Imagine a customer has added a few items in the shopping cart and then gets an 
emergency to attend to before finishing her checkout process. Under the current settings the session will preserve 
her contents for a short period of time before it expires and looses all the cart settings.

You can disable persistent template form layout xml file

	-- app/design/frontend/my/modern/layout/persistent.xml

	<!-- comment those lines
	    <customer_account_create>
		<reference name="customer_form_register">
		    <action method="setTemplate"><template>persistent/customer/form/register.phtml</template>
</action>
		    <block type="persistent/form_remember" name="persistent.remember.me" 
template="persistent/remember_me.phtml" />
		    <block type="core/template" name="persistent.remember.me.tooltip" 
template="persistent/remember_me_tooltip.phtml" />
		</reference>
	    </customer_account_create>
	-->


http://www.bytestechnolab.com/blog/2011/12/02/magento-persistent-shopping-cart