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-rw-r--r--src/guile/skribilo/engine/html.scm3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/guile/skribilo/engine/html.scm b/src/guile/skribilo/engine/html.scm
index 1f3466f..5165258 100644
--- a/src/guile/skribilo/engine/html.scm
+++ b/src/guile/skribilo/engine/html.scm
@@ -711,7 +711,8 @@
 			  ((string? ic)
 			   ic)
 			  ((procedure? ic)
-			   (ic d e)))))
+			   (ic d e))
+			  (else #f))))
 	      e)
       ;; style
       (output (new markup