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-rw-r--r--libguile/options.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/libguile/options.c b/libguile/options.c
index a416adf8c..ad3783198 100644
--- a/libguile/options.c
+++ b/libguile/options.c
@@ -123,6 +123,7 @@ scm_options (new_mode, options, n, s)
char *s;
{
int i, docp = (!SCM_UNBNDP (new_mode)
+ && !SCM_NULLP (new_mode)
&& (SCM_IMP (new_mode) || SCM_NCONSP (new_mode)));
SCM ans = SCM_EOL, ls;
for (i = 0; i < n; ++i)