Re: Problem with signcolum=number

Yegappan wrote:

> On Mon, Jul 1, 2019 at 7:57 AM Salman Halim <salmanhalim@gmail.com> wrote:
> >>
> >> On Mon, Jul 1, 2019 at 7:09 AM Salman Halim <salmanhalim@gmail.com> wrote:
> >> >
> >> > Hello,
> >> >
> >> > When setting 'signcolumn' to number, if I edit a file containing fewer
> >> > than ten lines and have a plug-in that shows marks as signs (or have
> >> > manually created signs), the signs are occasionally three columns
> >> > wide, thus wider than the number column. This breaks editing, such as
> >> > pressing x to remove a character (it removes the wrong character).
> >> >
> >>
> >> Can you post the sign definition? When you say "occasionally", do you
> >> know which operation or movement triggers this?
> >>
> >> Thanks,
> >> Yegappan
> >
> >
> > It's a trivial case.
> > Start with an empty file: gvim -u NONE -U NONE
> > (I use Windows, gvim 8.1-1608)
> >
> > :set number numberwidth=1 signcolumn=number
> >
>
> As the sign text takes two columns, the minimum supported value for
> 'numberwidth' is 3 with 'signcolumn' set to 'number'.
>
> When 'signcolumn' is set to 'number', I think we should change the value
> of 'numberwidth' to a minimum of 3 (if it is less than 3)?

Yes, can be added to number_width().
Would appreciate if you add a test.

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