1 files changed, 5 insertions, 0 deletions
diff --git a/txr.1 b/txr.1
index 46e244aa..f1c07fa6 100644
--- a/txr.1
+++ b/txr.1
@@ -27698,6 +27698,11 @@ function triggers garbage collection.  Garbage collection means
 that unreachable objects are identified and reclaimed, so that their
 storage can be re-used.
 
+The function returns
+.code nil
+if garbage collection is disabled (and consequently nothing is done), otherwise
+.codn t .
+
 .coNP Function @ sys:gc-set-delta
 .synb
 .mets (sys:gc-set-delta << bytes )