So I just replaced the widths in the `tabulated-list-entries` with the
variables defined in the first two lines

On Mon, 26 Oct 2020 at 22:20, dalanicolai <dalanicolai@gmail.com> wrote:

> (defvar col1-width 4)
> (defvar col2-width 10)
>
> (define-derived-mode tabular-bug-demo-mode
>   tabulated-list-mode "tab-bug"
>   "Major mode for Tab-bug."
>   (setq-local tabulated-list-format [("Col1" col1-width nil)
>                                      ("Col2" col2-width nil)])
>   (tabulated-list-init-header))
>
> (let ((buf (switch-to-buffer "tablist-bug-demo")))
>   (with-current-buffer buf
>     (tabular-bug-demo-mode)
>     (setq-local tabulated-list-entries (list (list nil ["1" "so
> unfortunately this"])
>                                              (list nil ["2" "does not
> work"])
>                                              (list nil ["3" "when using
> variables"])))
>     (tabulated-list-print)))
>
> On Mon, 26 Oct 2020 at 22:20, dalanicolai <dalanicolai@gmail.com> wrote:
>
>> Ah okay, so therefore I added that text you sent me in the reply. But
>> anyway, I will send the non-working code...
>>
>>
>> On Mon, 26 Oct 2020 at 22:12, Lars Ingebrigtsen <larsi@gnus.org> wrote:
>>
>>> dalanicolai <dalanicolai@gmail.com> writes:
>>>
>>> > Sorry, don't know what went wrong. Is it okay that I send you this
>>> link to my
>>> > original message (which does include the code)?
>>>
>>> That link only has the code that you says works, not the code that you
>>> says failed, as far as I can tell?
>>>
>>> So post the code that fails instead.
>>>
>>> --
>>> (domestic pets only, the antidote for overdose, milk.)
>>>    bloggy blog: http://lars.ingebrigtsen.no
>>>
>>