diff -up Tix8.4.3/generic/tixGrUtl.c.orig Tix8.4.3/generic/tixGrUtl.c
--- Tix8.4.3/generic/tixGrUtl.c.orig	2004-03-28 04:44:56.000000000 +0200
+++ Tix8.4.3/generic/tixGrUtl.c	2018-08-01 14:49:18.839262337 +0200
@@ -191,7 +191,7 @@ int Tix_GrConfigSize(interp, wPtr, argc,
 	if (sizePtr->charValue != newSize.charValue) {
 	    changed = 1;
 	}
-	if (sizePtr->pad1      != newSize.pad0) {
+	if (sizePtr->pad0      != newSize.pad0) {
 	    changed = 1;
 	}
 	if (sizePtr->pad1      != newSize.pad1) {
diff -up Tix8.4.3/generic/tix.h.orig Tix8.4.3/generic/tix.h
--- Tix8.4.3/generic/tix.h.orig	2008-02-28 05:35:16.000000000 +0100
+++ Tix8.4.3/generic/tix.h	2018-08-01 14:45:03.306004016 +0200
@@ -39,6 +39,7 @@ extern "C" {
 #endif
 #ifdef HAVE_STDLIB_H
 #include <stdlib.h>
+#include <ctype.h>
 #endif
 
 #ifndef CONST84
diff -up Tix8.4.3/Python/Demo/tix/samples/CmpImg.py.orig Tix8.4.3/Python/Demo/tix/samples/CmpImg.py
--- Tix8.4.3/Python/Demo/tix/samples/CmpImg.py.orig	2001-12-10 00:29:43.000000000 +0100
+++ Tix8.4.3/Python/Demo/tix/samples/CmpImg.py	2018-08-01 14:49:57.959301881 +0200
@@ -148,7 +148,7 @@ def RunSample(w):
     if not w.img0:
 	w.img0 = Tix.Image('bitmap', data=network_bitmap)
     w.img1 = Tix.Image('pixmap', data=hard_disk_pixmap)
-    if not w.img0:
+    if not w.img1:
 	w.img1 = Tix.Image('bitmap', data=hard_disk_bitmap)
 
     hdd = Tix.Button(w, padx=4, pady=1, width=120)
diff -up Tix8.4.3/PyTix-2.0/demos/samples/CmpImg.py.orig Tix8.4.3/PyTix-2.0/demos/samples/CmpImg.py
--- Tix8.4.3/PyTix-2.0/demos/samples/CmpImg.py.orig	2000-11-05 20:57:44.000000000 +0100
+++ Tix8.4.3/PyTix-2.0/demos/samples/CmpImg.py	2018-08-01 14:50:14.934319043 +0200
@@ -148,7 +148,7 @@ def RunSample(w):
     if not w.img0:
 	w.img0 = Tix.Image('bitmap', data=network_bitmap)
     w.img1 = Tix.Image('pixmap', data=hard_disk_pixmap)
-    if not w.img0:
+    if not w.img1:
 	w.img1 = Tix.Image('bitmap', data=hard_disk_bitmap)
 
     hdd = Tix.Button(w, padx=4, pady=1, width=120)