404. That’s an error.
The requested URL /hg-history/e5277a40a7e8bfc666f8f61bb68ef24efde0bf79/AppKit/NSCustomImageRep.h was not found on this server. That’s all we know.
/hg-history/e5277a40a7e8bfc666f8f61bb68ef24efde0bf79/AppKit/NSCustomImageRep.h