bug#38693: 27.0.50; tab-bar: automatic tab names should be shortened

[Gregor Zattler]

Hi Juri,
* Juri Linkov <juri@linkov.net> [2019-12-22; 01:36]:
>> Dear emacs developers, Juri, per default tab-bar uses buffer
>> names as tab labels.  But these might be very looong:
>
> I've never seen that long buffer name before.
> This reminds Guinness Book record for the longest name :)
>
>> Please provide an option to dynamically shorten at least
>> automatic tab labels in order not to overflow the tab bar into
>> another line OR provide an option with sensible default for the
>> max length of automatic tab labels (e.g. 23 characters per tab
>> label would allow for at least 3 tabs on a 80 char terminal) OR
>> something to such effect.
>
> Maybe such a new option:
>
>   (defcustom tab-bar-tab-name-max 23
>
> and using it on the default values of tab-bar-tab-name-current,
> tab-bar-tab-name-current-with-count, tab-bar-tab-name-all?

yes, this would be helpful for me.

Ciao,
--
Gregor