You may use brackets in popups section with same rules.
If you have an open bracket it requires a closing bracket.
For instance if you made an alias and only needed to use
it from the channel nicklist popup then you could put the
alias there as I have done with this:
>> Topic # << $chan(#).mode: {
linesep
echo -c info2 [Room Modes] # $chan(#).mode
echo -c $iif($chan(#).topic,topic [Room Topic] $chan(#).topic,info [Room Topic] Void)
linesep
}
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