bug#911: 23.0.60; custom-set-faces causes "New Frame" to fail

[martin rudalics]

> How about defining a variable `frame-set-background-mode-bg-mode'?  If
> it's nil, frame-set-background-mode uses the existing calculation to
> determine whether it's light or dark; if it's non-nil, it uses that
> existing value.  This should prevent the oscillation.

But who would be responsible for setting and resetting that variable?
Hardly `frame-set-background-mode' itself.  Would we make this a frame
parameter so the command loop can reset it and allow to change it once
and only once for a command?  Otherwise, we might risk reentering the
loop with the next call of `frame-set-background-mode'.

martin

BTW, it seems you already closed bug#911 ...