(In reply to comment #65)
> Created an attachment (id=40124) [details]
> patch without extraneous whitespace changes
>
> Oops! Ok, here's the patch without the whitespace changes.
Tested with the new whitespace patch - renders the map PDFs much faster
in cairo, other PDFs aven't changed much.
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(In reply to comment #62)
> Created an attachment (id=40061) [details]
> improved patch
>
> Had another look and tidied the code a bit removing repeated page orientation
> checks, and a redundant test for overlap in rule(2). This is noticeably faster
> rendering the bus map. (down to ~14.8s)
I te
