In 8.4.10, a change was introduced in menu.tcl, which
made Unix popup menus stay open when the mouse button
was released over a non-active item or the menu border.
This is a feature change that breaks the previous Unix
popup menu behaviour. Refer to menu.n which states:
"When a button is released over a menu, the active
entry (if any) is invoked.
The menu also unposts unless it is a torn-off menu."
Rather, the previous behaviour should be retained.
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Is this something to
be addressed for Tk 8.4.12 ?
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Current behavior is more in line with platform conventions. Won't fix.
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This is not what we nor our users (Maastricht UAC provides the European ATC Backbone, and our Fallback Controller Working Position is Tcl/Tk from ground up) expect. But OK, we can probably work around it the ugly way by redefining stuff of menu.tcl. I suggest nevertheless to update the documentation accordingly.