Fortunately, 'make clean' in Remacs does exactly what you think it does. CI has been a huge help spotting a dev has a dirty environment.
miniblog.
Related Posts
Difftastic understands syntactic boundaries. I keep spotting cases in other diff tools where textual diffing can't show the structure.
A bunch of diagnostics polish in clang 10: https://releases.llvm.org/10.0.0/tools/clang/docs/ReleaseNotes.html
One particularly cute addition: spotting that 2 ^ 10 is the user confusing exponentiation with xor!