On Wed, May 30, 2012 at 8:55 AM, Terry Brown <[email protected]> wrote:

> to me it didn't really seem like a clipping problem at all.

You make a strong case that it's not *exactly* a clipping problem.
But it has some of the same qualities, namely that a redraw *alone*
(demonstrably without a call to QSH.rehighlight) is enough to undo
whatever glitch is causing the line to disappear.

Perhaps some text is being marked internally as invisible.  The
question is, what could possible undo that marking at window-resize
time?  It's quite a mystery.

This is a worthy bug.  It smells strongly of an internal Qt bug, and I
think it will have to be debugged at the C-language level.
Considering the severity of the bug, I am seriously considering
waiving my "don't fix other people's bugs" rule.  It may be time to
create a debugging build of Qt and dust off a C-language debugger.

Edward

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