denis wrote:
> Hello,
>
> I am seeing a problem where execution of seemingly unrelated commands
> causes a problem with resetting 'lines' variable
>
> " here, lines is set to 23
> let g:foo = tempname()
> call system('touch ' . g:foo)
> " here it is reset to the height of my xterm - in this case 50
>
> eh? is this a bug or a feature?
It's a feature.
The point is that terminal might be resized when running
the external command so VIM will try to re-detect it
after executing any external command.
Detection of the terminal size is described in
:he window-size
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