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Reply-To: Brian.Inglis@SystematicSw.ab.ca
Subject: Re: Is Cygwin 3.1.X Stable Enough to Use?
To: cygwin@cygwin.com
References: <817yBTNxU4176Set.1582206646@web03.cms.usa.net> <1613327751.20200220213642@yandex.ru> <CAD8GWsuRiKMsDNFJVAT=48uRA92VbVfxUQxmCm7S-j326it2bQ@mail.gmail.com> <20200221092029.da2c51cec466dc8339ee0906@nifty.ne.jp> <7c3ebfda-6f7f-a22d-cdef-bdba946bbec8@SystematicSw.ab.ca> <20200221102722.f7832096e9461b5d5dc8e7c4@nifty.ne.jp>
From: Brian Inglis <Brian.Inglis@SystematicSw.ab.ca>
Message-ID: <0cc4ea70-e1b3-ddb6-419c-82808c1e7f9a@SystematicSw.ab.ca>
Date: Thu, 20 Feb 2020 18:34:59 -0700
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On 2020-02-20 18:27, Takashi Yano wrote:
> On Thu, 20 Feb 2020 18:15:59 -0700
> Brian Inglis wrote:
>> On 2020-02-20 17:20, Takashi Yano wrote:
>>> On Thu, 20 Feb 2020 16:28:26 -0500
>>> Lee wrote:
>>>> For whatever it's worth, the only problem I've noticed with 3.1.4 was
>>>> ansi control character handling and that was fixed by importing this
>>>> bit into the registry:
>>>>
>>>> -------------
>>>> Windows Registry Editor Version 5.00
>>>>
>>>> [HKEY_CURRENT_USER\Console]
>>>> "VirtualTerminalLevel"=dword:00000001
>>>> -------------
>>>
>>> In what situation is registry modification obove necessary?
>>
>> Enables Console Host Virtual Terminal ANSI Escape Sequence Support; see:
>> https://docs.microsoft.com/en-us/windows/console/console-virtual-terminal-sequences
>> https://docs.microsoft.com/en-us/windows/console/setconsolemode
>> https://blogs.msdn.microsoft.com/commandline/2017/06/20/understanding-windows-console-host-settings/
>> https://devblogs.microsoft.com/commandline/new-experimental-console-features/
>> https://devblogs.microsoft.com/commandline/24-bit-color-in-the-windows-console/
>> https://devblogs.microsoft.com/commandline/windows-command-line-unicode-and-utf-8-output-text-buffer/
>> https://devblogs.microsoft.com/commandline/windows-command-line-introducing-the-windows-pseudo-console-conpty/
>> https://devblogs.microsoft.com/commandline/windows-command-line-inside-the-windows-console/
>> https://devblogs.microsoft.com/commandline/windows-command-line-the-evolution-of-the-windows-command-line/
>> https://devblogs.microsoft.com/commandline/windows-command-line-backgrounder/
>> https://github.com/MicrosoftDocs/Console-Docs
>> https://github.com/microsoft/terminal
> 
> I mean what is the problem which need this in cygwin.

Windows programs which emit (or use?) console ANSI escape sequences run from cmd
(which by default switches off Virtual Terminal ANSI Escape Sequence handling
for programs run from it) and which do not themselves set that console mode (or
can not because they were written for earlier Windows which does not support
that flag).

-- 
Take care. Thanks, Brian Inglis, Calgary, Alberta, Canada

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