Apparently Marketo is now requiring ID elements for mktEditable class tags. I added id="content1" and id="content2" to the two TD tags that I needed to be mktEditable. This apparently fixed the problem. This was not an issue before, as of last July and August of this year.
You should not make TD tags editable - you should insert DIV tags into the TD and make them editable. Do not add any formatting css to those DIV tags, though!
When Marketo renders the final email, those DIV tags will be removed, and the email has clean code for the variou email clients.
I added <div id="content1"> inside a <td> with content and this still isn't working. I am still unable to approve email templates. I also added <div id="content2"> in another <td> and that is not working either.
You should not make TD tags editable - you should insert DIV tags into the TD and make them editable. Do not add any formatting css to those DIV tags, though!
When Marketo renders the final email, those DIV tags will be removed, and the email has clean code for the variou email clients.
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