Set window/tab/pane title separately

By js...@nutanix.com on June 26, 2012 01:02 (imported from Google Code)

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I like to use several tabs in fullscreen and within those tabs open up separate panes. Ideally i'd like to be able to set a tab title to be separate from the panes title.

I've found that you can change window and tab titles separately with:
echo -e "\033]1;"mytab"\007"
echo -e "\033]2;"mywindow"\007"

Is there another escape code which can change the pane title?