<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div><br><br>sent from a phone</div><div><br>On 23. Apr 2017, at 02:38, Greg Troxel <<a href="mailto:gdt@lexort.com">gdt@lexort.com</a>> wrote:<br><br></div><blockquote type="cite"><div><span>CC-BY-SA is incompatible. That's why the great license change was so</span><br><span>painful.</span></div></blockquote><br><div><br></div><div>even cc-by is incompatible in all versions, see <a href="https://wiki.openstreetmap.org/wiki/Import/ODbL_Compatibility">https://wiki.openstreetmap.org/wiki/Import/ODbL_Compatibility</a></div><div><br></div><div>cheers,</div><div>Martin </div></body></html>