My Emacs configuration https://git.cjennings.net/dotemacs/atom?h=main 2026-06-30T19:42:56+00:00 2026-06-30T19:42:56+00:00 Craig Jennings c@cjennings.net 2026-06-30T19:42:56+00:00 urn:sha1:72b149227dcb44cc44a232138289bd6d7f7e3309 Emacs crashed at launch with wrong-number-of-arguments on cj/save-some-buffers, down the startup path (dashboard-only to kill-all-other-buffers to save). Two modules defined a function by that name: custom-buffer-file.el's legible save prompt (arg + pred), installed as an override on save-some-buffers, and undead-buffers.el's older one-arg wrapper that called save-some-buffers internally. custom-buffer-file loads first, undead-buffers second. The one-arg version won the shared symbol, so the override re-entered it with two args. I removed undead-buffers.el's wrapper. cj/kill-all-other-buffers-and-windows now calls the standard save-some-buffers with the undead predicate, which routes through the override when loaded and the built-in otherwise, so undead-buffers no longer depends on custom-buffer-file. The legible override keeps the cj/save-some-buffers name. A regression test loads both modules in launch order and guards the call and the arity so a one-arg shadow can't return.