Monday, July 23, 2012

Unexpected BufWinEnter event

I was troubleshooting a script when I discovered that the BufWinEnter
event was occurring even though there is no buffer being displayed in
a window.

$ vim -N -X -u NONE -i NONE -E -V1 --cmd 'au BufWinEnter * echo "hello"' -c q
hello

Why is this?

Maybe as far as Vim's internal logic is concerned, every buffer is
always initially displayed in a window, even in ex mode where no
window is actually displayed.

Regards,
Gary

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