/usr/share/irssi/help/wait is in irssi 1.0.7-1~deb9u1.
This file is owned by root:root, with mode 0o644.
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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 | %9Syntax:%9
WAIT %|[-<server tag>] <milliseconds>
%9Parameters:%9
    The amount of milliseconds.
%9Description:%9
    Waits the specified amount of milliseconds before sending the next command
    to the server.
%9Examples:%9
    /WAIT 1000
    /WAIT 5000
%9See also:%9 ALIAS
 |