Windows/FindBoost.cmake: Invalid character escape '\L'. (regression? appears after upgrading from 3.7.2 to 3.8.0)
Here's an error that started popping up in Appveyor builds of a project after CMake was upgraded from 3.7.2 to 3.8.0 (and it seems to me that no other changes could affect the error):
https://ci.appveyor.com/project/vinecopulib/pyvinecopulib/build/1.0.37/job/vdm2w67623f1gvw9