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-rw-r--r--libguile/environments.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/libguile/environments.c b/libguile/environments.c
index a5cc3c244..26cf424e2 100644
--- a/libguile/environments.c
+++ b/libguile/environments.c
@@ -594,6 +594,9 @@ obarray_retrieve (SCM obarray, SCM sym)
PRECONDITION:
length (ALIST) >= 1
+
+ This could also be done by combining scm_delq1_x () and
+ scm_sloppy_assq(), at the cost of walking the list another time.
*/
static
SCM