Single Line Cells Repeating Thead Starts Middle Of Page Expected

crbug.com/24826: A table header group repeats on each page, even when the first one starts in the middle of the first page.

| Col 1 | Col 2 | | Te | xt | | Te | xt | | Te | xt | | Te | xt | | Col 1 | Col 2 | | Te | xt | | Te | xt | | Te | xt | | Te | xt | | Te | xt | | Te | xt | | Te | xt | | Col 1 | Col 2 | | Te | xt | | Te | xt | | Te | xt | | Te | xt | | Te | xt | | Te | xt | | Te | xt | | Te | xt | | Te | xt | | Te | xt | | Te | xt | | Te | xt |