From 7b77380c3fe79764648c47268dd3dcca5d48b32b Mon Sep 17 00:00:00 2001
From: Jose Antonio Ortega Ruiz <jao@gnu.org>
Date: Fri, 6 Mar 2009 00:47:05 +0100
Subject: New command to display generic methods (C-cC-dg) implemented.

---
 geiser/xref.scm | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/geiser/xref.scm b/geiser/xref.scm
index 232d692..c94835a 100644
--- a/geiser/xref.scm
+++ b/geiser/xref.scm
@@ -51,7 +51,8 @@
         '())))
 
 (define (program-location p)
-  (cond ((program-source p 0) =>
+  (cond ((not (program? p)) '())
+        ((program-source p 0) =>
          (lambda (s) (make-location (program-path p) (source:line s))))
         ((program-path p) =>
          (lambda (s) (make-location (program-path p) #f)))
-- 
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