In functions_print_lists.php <thead> <tfoot> and <tbody> tags are used twice. In the HTML spec, the <thead> and <tfoot> tags have to occur before the <tbody> so that the browser can render them even before the full body content is available. In both cases that we use these tags, we display the <tfoot> after the <tbody> and this causes validation errors. Since we use this for table summaries, and the summary data is often not available before the <tbody> is generated, it is understandable why it is done, but if there is an efficient way to doing it properly, we should.
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