Re: Proposal: new mode-line `%'-construct %o meaning "Degree of travel of window through buffer".

[Eli Zaretskii]

> Date: Thu, 18 May 2017 12:01:16 -0400
> From: "Perry E. Metzger" <address@hidden>
> Cc: address@hidden, address@hidden, address@hidden
> 
> It occurs to me that there's another possibility, which is to
> allow the user to bind a function to do the position calculation so
> that everyone can get whatever flavor of calculation they want.

The mode-line format already supports :eval, so this should already be
possible?