Fix the table header like the Confluence
When scrolling, the table header is fixed / released.
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| header |
header |
| row1 column1 |
row1 column2 |
| row2 column1 |
row2 column2 |
| row3 column1 |
row3 column2 |
| aaa |
bbb |
| aaa |
bbb |
| aaa |
bbb |
| aaa |
bbb |
| aaa |
bbb |
| aaa |
bbb |
| aaa |
bbb |
| aaa |
bbb |
| aaa |
bbb |
| aaa |
bbb |
| aaa |
bbb |
| aaa |
bbb |
| aaa |
bbb |
| aaa |
bbb |
| aaa |
bbb |
| aaa |
bbb |
| aaa |
bbb |
| end row column1 |
end row column2 |
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