1 files changed, 3 insertions, 2 deletions

diff --git a/src/buffer.h b/src/buffer.h
index 61ef15d9c3d..284cfa7b4a8 100644
--- a/src/buffer.h
+++ b/src/buffer.h
@@ -1088,8 +1088,9 @@ extern void mmap_set_vars (bool);
 extern void restore_buffer (Lisp_Object);
 extern void set_buffer_if_live (Lisp_Object);
 
-INLINE
-struct buffer *
+/* Return B as a struct buffer pointer, defaulting to the current buffer.  */
+
+INLINE struct buffer *
 decode_buffer (Lisp_Object b)
 {
   return NILP (b) ? current_buffer : (CHECK_BUFFER (b), XBUFFER (b));