I can confirm also that TBody still are introduced in 4.0.0.7 with DisableAutoFormatting="True"
I understand that it's better to have tbody and it's probably a good pratice, but the reality is that we can't cut and paste existing htmlbecause those extra tag scew up the final display look (especially when using complex css).
I really like server side api, but little thing like that make life harder...
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A cute editor user since version 1.5