Apple Clang doesn't like this, rather than waiting for their version of random-clang-commit-to-call-a-release to catch up with llvm trunk, just work around the issue. Fixes #186. (cherry picked from commit 8c9d3b30cf62016ffb03e425f1e7e3f2461262bf)
background-clip: text
BasicShapeStyleValue
parse_position()
parse_position_value()
font