Re: Nested display strings

[Eli Zaretskii]

> Date: Sat, 23 Apr 2011 21:42:14 +0200
> From: Andreas Röhler <address@hidden>
> CC: Eli Zaretskii <address@hidden>
> 
> (defvar myov2 (make-overlay 29 43))
> (defvar myov1 (make-overlay 16 51))
> (overlay-put myov2 'display "STRING2")
> (overlay-put myov1 'display "STRING1")
> 
> ie if the wider overlay is applied last, it should take all.

Why would the order of evaluation matter here?  After everything is
evaluated, the display engine just sees a buffer with two overlays
it's got to display.  How is it to know which one was applied first,
and why should it care?