Why did you change the merge-lines text at the same time?

--merge-lines
    Try to merge lines. This helps the simplify filter to straighten out
    longer chunks at lower zoom levels. Decreases file size more.
    Increases paint speed at low zoom levels.
    At the moment this option causes routing errors. Use only if routing
    is not needed in your map.

Where is any reference to this causing routing errors. Routing is only on res=24, though merge-lines now by default starts at res=22 (and even before ran after routing - which causes display panning problems and maybe label problems, but no changes on routing as such. Also the max error is now much smaller (1/4) compared with the old behaviour).

On 09.03.2011 23:18, svn commit wrote:

Version 1893 was commited by steve on 2011-03-09 22:18:10 +0000 (Wed, 09 Mar 2011) 

Add option to control the smallest polygon that is displayed
at lower resolutions.

- Johann Gail

The default remains at 8, but it can now be adjusted.

..Steve
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