I've looked all over the Haxe Flash Command-line compiler website but was unable to find any detailed documentation of the HXML files (scroll down to the "Changing SWF properties" section) which describe the compile.
Anybody know of a reference source?
Found HXML:
Edit: Scroll down for my answer with the complete list of commands.
Have you tried:
haxe --help
.hxml files are just a convenient way to pass commandline parameters as far as I know.