+static void
+append_cell_text (GString *string, const GtkSheet *sheet, gint r, gint c)
+{
+ gchar *celltext = gtk_sheet_cell_get_text (sheet, r, c);
+
+ if ( NULL == celltext)
+ return;
+
+ g_string_append (string, celltext);
+ g_free (celltext);
+}
+