":Help" command not working

[fubar-coder]

Description

The ":Help" command is documented, but it doesn't seem like it's working in the go version of sqlcmd.

Example

❯ sqlcmd
1> :help
2> go
Msg 102, Level 15, State 1, Server 714f0c28a9f0, Line 1
Incorrect syntax near ':'.
1> :Help
2> go
Msg 102, Level 15, State 1, Server 714f0c28a9f0, Line 1
Incorrect syntax near ':'.
1> 

sqlcmd version

❯ sqlcmd --version
sqlcmd: Install/Create/Query SQL Server, Azure SQL, and Tools

Version: 1.10.0

Legal docs and information: aka.ms/SqlcmdLegal
Third party notices: aka.ms/SqlcmdNotices