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-rw-r--r--gc.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/gc.h b/gc.h
index 07c08577e8..018ad0e625 100644
--- a/gc.h
+++ b/gc.h
@@ -83,7 +83,7 @@ int ruby_get_stack_grow_direction(volatile VALUE *addr);
/*
STACK_GROW_DIR_DETECTION is used with STACK_DIR_UPPER.
-
+
On most normal systems, stacks grow from high address to lower address. In
this case, STACK_DIR_UPPER(a, b) will return (b), but on exotic systems where
the stack grows UP (from low address to high address), it will return (a).