On Thu, 20 Apr 2023 11:22:36 +0200, Jean Abou Samra wrote: > If we were starting the LilyPond project today, that might make > sense. However, there are plenty of existing LilyPond files that use > font family names like “times new roman” that are substituted with > “Times New Roman”, and I think we'd rather not start making those > emit warnings. I think you could make an exception for some simple things like case differences (as in your example above).