I want to compile the clang documentation but get warnings treated as errors that prevent the compilation. Many warnings come from “clang/docs/ClangCommandLineReference.rst” because “Duplicate explicit target name”, for example in line 18, 182, 370, 468, 484, 522, 596, … (then I stopped to fix these). How to exactly fix these or is this a real problem at all? (The llvm/docs/ReleaseNotes.rst file has problems too with not indented bullet list.) I use sphinx with python3.