At line 1762 in 2013.01, changed from:
// Append the new simple select to the form
$(columnSelect.Obj).closest("td").prepend(simpleSelect);
to this:
// Append the new simple select to the form. In 2007/2010 inside a td, in 2013 publishing pages inside a div.
$(columnSelect.Obj).closest("td, div").prepend(simpleSelect);
Comments: Released in 2013.02
// Append the new simple select to the form
$(columnSelect.Obj).closest("td").prepend(simpleSelect);
to this:
// Append the new simple select to the form. In 2007/2010 inside a td, in 2013 publishing pages inside a div.
$(columnSelect.Obj).closest("td, div").prepend(simpleSelect);
Comments: Released in 2013.02