I give you other example: the erc.<div><br></div><div>I wish every channel in erc to have its own tab, and when somebody writes something, the tab of the given channel to change the color.</div><div><br></div><div>So, in Emacs we do not need tabs like in mozilla or something fixed.</div>
<div><br></div><div>We need _programmable_ tabs.</div><div><br></div><div>I think the method of callbacks could be applied to make such tabs.</div><div><br></div><div><br></div>