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-rw-r--r--src/lisp.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/lisp.h b/src/lisp.h
index d88038d91be..2962babb4fe 100644
--- a/src/lisp.h
+++ b/src/lisp.h
@@ -3947,7 +3947,8 @@ make_uninit_sub_char_table (int depth, int min_char)
return v;
}
-/* Make a vector of SIZE nils. */
+/* Make a vector of SIZE nils - faster than make_vector (size, Qnil)
+ if the OS already cleared the new memory. */
INLINE Lisp_Object
make_nil_vector (ptrdiff_t size)