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-rw-r--r--lisp/subr.el5
1 files changed, 4 insertions, 1 deletions
diff --git a/lisp/subr.el b/lisp/subr.el
index f73a29ad11b..f96351e6e4d 100644
--- a/lisp/subr.el
+++ b/lisp/subr.el
@@ -704,7 +704,10 @@ This function accepts any number of arguments, but ignores them."
nil)
(defun error (&rest args)
- "Signal an error, making error message by passing all args to `format'."
+ "Signal an error, making error message by passing all args to `format'.
+In Emacs, the convention is that error messages start with a capital
+letter but *do not* end with a period. Please follow this convention
+for the sake of consistency."
(while t
(signal 'error (list (apply 'format args)))))