sysutils/tmux - strange behaviour with new version 2.4 / 2.5

[Kevin Oberman]

On Mon, Jul 3, 2017 at 5:50 AM, Miroslav Lachman <000.fbsd at quip.cz> wrote:

> Mathieu Arnold wrote on 2017/07/03 13:38:
>
>> Le 02/07/2017 à 21:06, Adam Weinberger a écrit :
>>
>>> On 26 Jun, 2017, at 7:54, Miroslav Lachman <000.fbsd at quip.cz> wrote:
>>>>
>>>> Vanilla Hsu wrote on 2017/05/16 01:37:
>>>>
>>>>> I got the same problem too, but after update to 2.5-rc2, all issues
>>>>> gone.
>>>>>
>>>>> maybe you can try to update to 2.5-rc2 (2.5 not yet released) by
>>>>> yourself.
>>>>>
>>>> Opening this again. I downgraded to 2.3 in the meantime but I had a
>>>> hope that 2.5 will be fine - it is not. Event final 2.5 exhibits the same
>>>> symptoms as 2.4 on my machines and doesn't show innocent lines of text file.
>>>>
>>>> Does 2.5 work for you or anybody else without issues? What is you
>>>> tmux.conf? (I tried it with empty but still have this problem)
>>>>
>>> I encountered the same problem, and it disappeared after I exported:
>>>
>>> TERM=xterm-256color
>>> LANG=en_US.UTF-8
>>>
>>> In particular, make sure that LANG specifies UTF-8.
>>>
>>
>>
>> Mmmm, yes, upstream removed non UTF-8 support a version or to ago. So,
>> you have to use UTF-8 everywhere you use tmux.
>>
>
> I talked to tmux developer. He confirms the changes but stated:
>
> " You can't rely on the terminal scrollback to be complete when running in
> full terminal applications like tmux. Use tmux copy mode instead."
>
> https://github.com/tmux/tmux/issues/984
>
> So I am stuck on versi 2.3 forever - I need "old" scrolling for my
> workflow very often.
>
> Miroslav Lachman


Damn! Looks like I'm heading back to screen(1). This strikes me as a simply
awful "optimization" as it breaks a rather common use of the tool. And
tmux(1) WAS far superior to screen(1), at least for my uses. Now to learn
how to use "screen" again.
--
Kevin Oberman, Part time kid herder and retired Network Engineer
E-mail: rkoberman at gmail.com
PGP Fingerprint: D03FB98AFA78E3B78C1694B318AB39EF1B055683