[PATCH 2 of 5] paper: skip empty table cells in annotate view, use rowspan on block heads

[Yuya Nishihara]

On Thu, 14 Jul 2016 15:31:27 +0800, Anton Shestakov wrote:
> # HG changeset patch
> # User Anton Shestakov <av6 at dwimlabs.net>
> # Date 1468473227 -28800
> #      Thu Jul 14 13:13:47 2016 +0800
> # Node ID 75b968dd1b1b0f7b64abd0c6d2b2d38b5734237a
> # Parent  1d5710a9fc8f764030af5c14bfef7da20eaea989
> paper: skip empty table cells in annotate view, use rowspan on block heads
> 
> Apart from looking nicer, this also substantially cuts down page size that more
> than doubled after the recent annotate changes in hgweb:

Another downside of this change is that we have to scroll up to the block head
in order to get the annotate info.