_Added in 1.9.2_

*/renwin <@oldname> <@newname> [topic]*

Allows you to change the name of an existing window to a different one, and an optional topic can be specified.

*Parameters*

<@oldname> - Current window name.
<@newname> - New window name.
[topic] - Window topic/title.

*Example*

<pre>
; Open a custom window.
/window -e @Example1

; Rename @Example1 to @Example2 and add topic 'Hello world'.
/renwin @Example1 @Example2 Hello World
</pre>