Comment 2 for bug 908444

Please try this patch and see if it resolves your issue.

diff --git a/gschem/scheme/gschem/deprecated.scm b/gschem/scheme/gschem/deprecated.scm
index bb69407..33b7776 100644
--- a/gschem/scheme/gschem/deprecated.scm
+++ b/gschem/scheme/gschem/deprecated.scm
@@ -132,7 +132,7 @@
 (define-public (set-attribute-value! attrib value)
   (let ((params (text-info attrib))
         (name-value (parse-attrib attrib)))
- (list-set! params 3 (simple-format "~A=~A" (car name-value) value))
+ (list-set! params 3 (simple-format #f "~A=~A" (car name-value) value))
     (apply set-text! attrib params)))

 ;; get-objects-in-page page