winch trap delayed until keypress

[Egmont Koblinger]

Hi,

Execute this in an interactive bash and then resize the window:
trap 'stty size' winch

In bash-4.2, the trap was executed immediately upon resize.  In
bash-4.3, it is delayed until the next keypress.

Is this an intentional, expected change?  There seems to be no
relevant entry in NEWS.

I used to use this command to verify the behavior of multi-tab
emulators, whether they send the resize event to all their tabs
immediately, or delay it until the tab becomes visible.  Anyway, I can
still do this with bash-4.2 or zsh, so it's not a problem for me.


thx,
egmont