Plex keyboard shortcuts vs XBMC commands?

Is there a table that compares the two?
https://support.plex.tv/hc/en-us/articles/201670487-Keyboard-Shortcuts

 

I want to program Rasplex to use traditional IR (which is a problem unto itself) and I can't seem the find the XBMC command for "M", "tab" or "H".  Or maybe I just don't know what it is called.

 

Thanks.