[Inkscape-devel] patch review needed for bug #172219 “Calligraphy pen: optionally rotate tablet tilt by 90deg”

Could anyone knowledgeable of tablets (code and usage) review and test the patch provided for

Bug #172219 “Calligraphy pen: optionally rotate tablet tilt by 90deg”: https://bugs.launchpad.net/inkscape/+bug/172219

if it works as expected for tablet users and doesn't introduce regressions for us ordinary mouse clickers ;) ?

~suv