>From 60921ce566429711c7366ab6663fa37ee97b9190 Mon Sep 17 00:00:00 2001 From: Robert Cochran Date: Fri, 15 Jul 2016 12:45:56 -0700 Subject: [PATCH] Expand FIXME near definition of fboundp This expansion of the FIXME is so that future developers are aware of the potential problems of aliasing fboundp to symbol-function without taking backwards compatibility into account. * src/data.c (fboundp): Note potential backwards compatibility issues in FIXME. --- src/data.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/src/data.c b/src/data.c index 71da916..9846006 100644 --- a/src/data.c +++ b/src/data.c @@ -629,7 +629,12 @@ global value outside of any lexical scope. */) return (EQ (valcontents, Qunbound) ? Qnil : Qt); } -/* FIXME: Make it an alias for function-symbol! */ +/* FIXME: It has been previously suggested to make this function an + alias for symbol-function, but upon discussion at Debbug#23957, + there is a risk breaking backward compatiblity, as some users of + fboundp may expect `t' in particular, rather than any true + value. An alias is still welcome so long as the compatibility + issues are addressed. */ DEFUN ("fboundp", Ffboundp, Sfboundp, 1, 1, 0, doc: /* Return t if SYMBOL's function definition is not void. */) (register Lisp_Object symbol) -- 2.7.4