The patch at the bottom fix a problem with the example
'editable-cells.scm', but I think that maybe there's a bigger problem
to solve.

Apparently the generic method 'append' is returning a <gtk-list-store>
and not a <gtk-tree-iter>, which would be expected.

Unfortunately I didn't find where the generic method is define.

As a side note, there's a unused column in the model.

diff --git a/examples/guile-gtk-demo/demos/editable-cells.scm b/examples/guile-gtk-demo/demos/editable-cells.scm
index 78dae68..bcee16a 100644
--- a/examples/guile-gtk-demo/demos/editable-cells.scm
+++ b/examples/guile-gtk-demo/demos/editable-cells.scm
@@ -17,7 +17,7 @@
      (6 "eggs" #t))))

(define (add-item model item)
-  (let ((iter (append model)))
+  (let ((iter (gtk-list-store-append model)))
     (for-each
      (lambda (i x) (set-value model iter i x))
      '(0 1 2)

--
Diogo F. S. Ramos

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