http://www.viveksharma.com/TECHLOG/archive/2006/08/05/updated-powershell-script-editing-mode-for-emacs-powershell-modeel.aspx
http://www.viveksharma.com/TECHLOG/archive/2006/08/05/updated-powershell-script-editing-mode-for-emacs-powershell-modeel.aspx
I got this working with LispBox and it probably works fine with all of emacs21.3, but I couldn’t get it working with emacs22.3