/usr/share/games/crossfire/def_help is in crossfire-common 1.70.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 | How to use help:
'help topics (list of help topics)
'help commands (list of valid commands)
'help <command> (help on a topic or command)
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