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Re: A bug in Vim, in Mate Terminal or in Debian 11?




Em 18/09/2021 23:23, Greg Wooledge escreveu:
> On Sat, Sep 18, 2021 at 10:14:39PM -0300, Dedeco Balaco wrote:
>> My window manager is Mate Desktop. The terminal i most use is its own.
>> And i use vim a lot,
> 
>> After the upgrade, when i quit vim, the terminal title becomes empty,
>> instead of returning to the default title "Terminal".
> 
> The real question is how it worked in stretch.  There are several
> moving pieces here, and it's not at all clear how they all fit together.
> 
> The terminal's title bar is set whenever some program writes the
> appropriate bytes to the terminal.  Once the title is set to something,
> it stays that way, until something changes it again.
> 
> So: under stretch, what program was writing what bytes to the terminal,
> at what time?
> 
> We know that vim can be configured to set the title when you start it.
> This is controlled by the "title" setting.  If you have "set title"
> in your .vimrc file, then at startup, vim will change the terminal's
> title to the name of the file you're editing.
> 
> But what happens when vim exits?  Vim doesn't know what the *previous*
> title was, so how can it change the title back?  Therefore, when vim
> exits (with "set title" in your .vimrc file), it changes the title
> to "Thanks for flying Vim".
> 
> Vim has another setting called "titleold".  If this is set to a non-empty
> string, vim will use the value of this variable as the new title.  So,
> for example, if you would like the title to be changed to "Terminal"
> every time you exit vim, you can put these lines in your .vimrc file:
> 
> set title
> set titleold=Terminal
> 
> If titleold is set to the empty string, then the title isn't changed at
> all on exit -- it just stays as the filename.
> 
> If there's a *third* option (to make vim somehow read the previous title
> from the terminal, if that's even possible), then I don't know how to
> achieve it.  It would probably be specific to the terminal as well.
> 
> If you want more answers than this, I suggest asking on a vim mailing
> list.  They may have more expertise than we do.
> 
> A *fourth* option that some people use is to have their shell change the
> terminal's title on a regular or semi-regular basis.  For example, some
> people unilaterally override the title from the shell prompt every time
> the prompt is drawn.  Other people override the title when the shell
> changes directory.  These might be viable solutions for you as well, if
> you choose.
> 

My vimrc has nothing that contains "title". Neither /etc/vim/vimrc has.
They never did. Both did not change with the upgrade.

Is there a log where the previous version of Mate and mate-terminal are
written?


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