Also noticed this on the github page, and assuming it is just a typo...the current system coordinates, I'm guessing, should be X,Y,Z rather than all X
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{TXT:System rank}: the rank of the Commander in the system (e.g. "Duke" if an Empire system, "Admiral" if a Federation system)
{DEC:System X} the EDDB X co-ordinate of the system
{DEC:System Y} the EDDB X co-ordinate of the system
{DEC:System Z} the EDDB X co-ordinate of the system
{INT:System stations}: the total number of stations, both in orbit and on planets, in the system
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Same with Last System
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{DEC:Last system X} the EDDB X co-ordinate of the last system
{DEC:Last system Y} the EDDB X co-ordinate of the last system
{DEC:Last system Z} the EDDB X co-ordinate of the last system
Not sure what this is supposed to be
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Docking denied
Triggered when your ship is denied docking at a station or outpost. To run a command when this event occurs you should create the command with the name ((EDDI docking denied))
Variables set with this events are as follows:
{TXT:EDDI docking denied reason} The station at which the commander has been denied docking
{TXT:EDDI docking denied station} The station at which the commander has been denied docking
Thanks for spotting these, I've updated the docs and it'll be fixed with the next release.