Bug fix for newer versions of opengl32.dll on Windows

Graphics/Draw.cpp

-// $Id: Draw.cpp,v 1.22 2001-02-03 13:10:26 geuzaine Exp $
+// $Id: Draw.cpp,v 1.23 2001-02-23 19:51:11 geuzaine Exp $
 
 #include "Gmsh.h"
 #include "GmshUI.h"
@@ -25,7 +25,11 @@ void Draw3d(void){
   }
   else{
     glDisable(GL_BLEND);
+#ifndef WIN32
+    // Merde de bug dans les nouvelles dll opengl Windows (ATI Rage
+    // Mobility, NVIDIA, etc.)
     glDisable(GL_ALPHA);
+#endif
   }
   glPolygonOffset(1.0, 1);
 

README.txt

-$Id: README.txt,v 1.1 2001-02-17 22:08:41 geuzaine Exp $
+$Id: README.txt,v 1.2 2001-02-23 19:51:11 geuzaine Exp $
 
 For Windows versions of Gmsh only:
 ==================================
 
+2) About opengl32.dll:
+
+If a version of the OpenGL library opengl32.dll is already installed
+on your system, you should remove the version shipped with
+Gmsh. Failing to do so may result in incorrect behaviour of Gmsh (the
+graphic window may stay "transparent", or Gmsh may even not run at
+all).
+
 1) About cygwin1.dll:
 
 If you plan to use other programs than Gmsh which depend on the
 cygwin1.dll library, please move the library from this directory to
 the Windows system directory (usually C:\Windows\System\). Failing to
-do so will result in incorrect behaviour of all applications sharing
+do so may result in incorrect behaviour of all applications sharing
 the library.
 
-2) About opengl32.dll:
-
-If a version of the OpenGL library opengl32.dll is already installed
-on your system, you can remove the version shipped with Gmsh.
-
 3) About configuration files:
 
 Gmsh saves session information and default options on disk. The