[e] (0) Factor out some common event handler declarations in IDL.
Affected topics: DOM APIs, HTML

git-svn-id: http://svn.whatwg.org/webapps@7638 340c8d12-0b0e-0410-8428-c7bf67bfef74
(cherry picked from commit 280e227ed35671253db93e91fe14c644e83edcc1)
[giow] (2) Change stepUp/stepDown algorithm to be more like typical UIs.
Affected topics: DOM APIs

git-svn-id: http://svn.whatwg.org/webapps@7639 340c8d12-0b0e-0410-8428-c7bf67bfef74
(cherry picked from commit 5706dd20aa9b5d413b9baa067732401d426981c9)
[cgiowt] (3) Clean up some mistakes from the menu/command/menuitem shake-up recently.
Affected topics: HTML Syntax and Parsing, Rendering

git-svn-id: http://svn.whatwg.org/webapps@7640 340c8d12-0b0e-0410-8428-c7bf67bfef74
(cherry picked from commit b14bfa17cb4f1d441e6831ec569f649531fcc344)