[Tilesathome] Batik Z17: SplitTiles: Black Tile encountered / broken SVG in osmarender

[Stephan]

Hi,

that error happens on z17.
Rasterizer=Batik

Reproduce:
perl tilesgen.pl xy 1 1 12

Had there been reworks on the SVG that could cause such an effect? 
Inkscape works.

I did some experiments and think the cause is in 
osm-map-features-z17.xml:3920

.housenumber-left has text-anchor:left
According to SVG specification this is an invalid value for this 
property. Should it be "start"?

after changing the property rendering is working.


Some SVG specialists: Please confirm or explain why this is not the cause.

Stephan