Make Option-clicking a disclosure triangle in the web inspector's DOM tree view recursively expand all levels below the element being clicked. This is in fact how NSOutlineView behaves and I've found it very convenient.
Created attachment 14140 [details] Patch Makes option-click recursively expand and collapse the sub-tree. Pressing option-left and -right also recursively expand and collapse the sub-tree. * WebInspector/webInspector/treeoutline.js:
Comment on attachment 14140 [details] Patch r=me
Fixed in r21007. http://trac.webkit.org/projects/webkit/changeset/21007