So I'm using Vim's line numbering with
set number
set numberwidth=4
But I find that if line numbers exceed 999, then the gutter is automatically expanded to accommodate them. I actually don't want this--I use vim within tmux and need to preserve pane size as well as the number of columns in the editor. I would rather have the most significant digit(s) cropped, so that line 1234 appears as 234, for example. Is there any way to achieve this?