There is definitely a bug there somewhere. Just now I had a situation where any keyboard shortcut involving "Alt" would expand a set of folders (not all) in the file browser.
After changing selections a few times in the file browser it stopped as mysteriously as it started.
On at least on two occasions before "Alt" clicking a tab's close button had the same effect.
Gerd
On 31/12/2011, at 23.58, Gerd Knops wrote:
There is definitely a bug there somewhere […]
This comes about because items are lazily loaded into the file browser, so the NSOutlineView itself will not perform proper recursive expansion and I instead have to check if user did this “when loaded” which I do via a heuristic (as I have found no documented way to learn this).
I do have on the list that we need a better heuristic, as too many have issues with this.
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Allan Odgaard -
Gerd Knops