; * src/fns.c (Fmapconcat): Doc fix (bug#76242).

(cherry picked from commit 316e47c5af402f70b78092f9c941c4cf240fceb3)

diff --git a/src/fns.c b/src/fns.c
index f2c8a98b7cef09a6f458373a1b70f142f8950731..b6098816049f1bdb230aa1b98c0bfe7075fb0851 100644 (file)
--- a/src/fns.c
+++ b/src/fns.c
@@ -3435,7 +3435,8 @@ characters; nil stands for the empty string.
 
 FUNCTION must be a function of one argument, and must return a value
   that is a sequence of characters: either a string, or a vector or
-  list of numbers that are valid character codepoints.  */)
+  list of numbers that are valid character codepoints; nil is treated
+  as an empty string.  */)
   (Lisp_Object function, Lisp_Object sequence, Lisp_Object separator)
 {
   USE_SAFE_ALLOCA;