[bug #18963] -include suppressing errors for too long?

Update of bug #18963 (project make): Item Group: Bug => Documentation ___ Follow-up Comment #3: I can see that the documentation is not clear enough. Perhaps it is trying to be too stylized, to

[bug #18963] -include suppressing errors for too long?

Follow-up Comment #2, bug #18963 (project make): I'm aware that -include is supposed to produce no error if file.d does not exist. But in my case file.d exists, it's just that the header file.h is not there and cannot be remade. AFAICS nowhere in the manual it is mentioned that also the errors _I