They match msiexec behavior. See "msiexec /?"
From: Hoover, Jacob [mailto:jacob.hoo...@greenheck.com]
Sent: Tuesday, November 5, 2013 12:10 PM
To: WiX toolset developer mailing list
Subject: [WiX-devs] Command line parameters
Looking into the core of the engine, I've noticed
Looking into the core of the engine, I've noticed that update and package
command line switches are parsed as BOOTSTRAPPER_ACTION_INSTALL. Nowhere else
in code do I see a reference to these parameters so I was wondering if they
were reserved for something or implemented for some obscure compati