Added in 1.5

/topic [-r] <#channel> [newtopic]

Changes the topic for a channel that you are on.

If no newtopic is defined, current topic is retrieved.

Switches

Switch Description
-r Reset/remove topic.

Parameters

Parameter Description
<#channel> Channel to change the topic.
[newtopic] Topic to set.

Examole

; Set a new topic on #mychannel.
/topic #5676 mychannel This is a new topic

; Remove the topic in #mychnnel.
/topic -r #mychannel