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-rw-r--r--libguile/gc.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/libguile/gc.c b/libguile/gc.c
index b0fca6c75..70bc24886 100644
--- a/libguile/gc.c
+++ b/libguile/gc.c
@@ -245,7 +245,8 @@ which_seg (SCM cell)
SCM_DEFINE (scm_map_free_list, "map-free-list", 0, 0, 0,
(),
-"")
+ "Print debugging information about the free-list.\n"
+ "`map-free-list' is only included in GUILE_DEBUG_FREELIST builds of Guile.")
#define FUNC_NAME s_scm_map_free_list
{
int last_seg = -1, count = 0;