The value of this variable is the fraction of the screen width to use as the maximum width for the pop-up-message-dialogpop-up-message-dialog text-box. Provided so that a message box with lots of text that might fill the screen will instead scroll in order to avoid filling the whole screen with a message box.
Common Graphics and IDE documentation is described in About Common Graphics and IDE documentation in cgide.htm.
The documentation is described in introduction.htm and the index is in index.htm.
Copyright (c) 1998-2000, Franz Inc. Berkeley, CA., USA. All rights reserved.
Created 2000.10.5.