[PATCH] console_codes.4: Add missing escape sequence

[PATCH] console_codes.4: Add missing escape sequence

[Scot Doyle]

An undocumented escape sequence in drivers/tty/vt/vt.c brings the
previously accessed virtual terminal to the foreground.

Signed-off-by: Scot Doyle <lkml14-enLWO88E2pdl57MIdRCFDg@public.gmane.org>
---
 man4/console_codes.4 | 1 +
 1 file changed, 1 insertion(+)

diff --git a/man4/console_codes.4 b/man4/console_codes.4
index 00b8c40..0d75149 100644
--- a/man4/console_codes.4
+++ b/man4/console_codes.4
@@ -373,6 +373,7 @@ ESC [ 11 ; \fIn\fP ]	Set bell duration in msec.
 ESC [ 12 ; \fIn\fP ]	Bring specified console to the front.
 ESC [ 13 ]      	Unblank the screen.
 ESC [ 14 ; \fIn\fP ]   	Set the VESA powerdown interval in minutes.
+ESC [ 15 ]      	Bring the previous console to the front.
 .TE
 .SS Character sets
 The kernel knows about 4 translations of bytes into console-screen
-- 
2.3.0

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Re: [PATCH] console_codes.4: Add missing escape sequence

[Michael Kerrisk (man-pages)]

Hello Scott,

On 02/27/2015 03:35 AM, Scot Doyle wrote:
> An undocumented escape sequence in drivers/tty/vt/vt.c brings the
> previously accessed virtual terminal to the foreground.

Thanks. Applied. Looks like this sequence appeared with ~2.6.0 or so.
Do you know if this is so?

Cheers,

Michael

> Signed-off-by: Scot Doyle <lkml14-enLWO88E2pdl57MIdRCFDg@public.gmane.org>
> ---
>  man4/console_codes.4 | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/man4/console_codes.4 b/man4/console_codes.4
> index 00b8c40..0d75149 100644
> --- a/man4/console_codes.4
> +++ b/man4/console_codes.4
> @@ -373,6 +373,7 @@ ESC [ 11 ; \fIn\fP ]	Set bell duration in msec.
>  ESC [ 12 ; \fIn\fP ]	Bring specified console to the front.
>  ESC [ 13 ]      	Unblank the screen.
>  ESC [ 14 ; \fIn\fP ]   	Set the VESA powerdown interval in minutes.
> +ESC [ 15 ]      	Bring the previous console to the front.
>  .TE
>  .SS Character sets
>  The kernel knows about 4 translations of bytes into console-screen
> 


-- 
Michael Kerrisk
Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/
Linux/UNIX System Programming Training: http://man7.org/training/
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Re: [PATCH] console_codes.4: Add missing escape sequence

[Scot Doyle]

On Fri, 27 Feb 2015, Michael Kerrisk (man-pages) wrote:
> Hello Scott,
> 
> On 02/27/2015 03:35 AM, Scot Doyle wrote:
> > An undocumented escape sequence in drivers/tty/vt/vt.c brings the
> > previously accessed virtual terminal to the foreground.
> 
> Thanks. Applied. Looks like this sequence appeared with ~2.6.0 or so.
> Do you know if this is so?
> 
> Cheers,
> 
> Michael

"git log -p -- drivers/char/vt.c" shows that it's included in the initial 
2005 git commit. Is there an easier way to view early kernel history than 
digging through kernel tarballs?
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Re: [PATCH] console_codes.4: Add missing escape sequence

[Michael Kerrisk (man-pages)]

On 02/27/2015 03:32 PM, Scot Doyle wrote:
> On Fri, 27 Feb 2015, Michael Kerrisk (man-pages) wrote:
>> Hello Scott,
>>
>> On 02/27/2015 03:35 AM, Scot Doyle wrote:
>>> An undocumented escape sequence in drivers/tty/vt/vt.c brings the
>>> previously accessed virtual terminal to the foreground.
>>
>> Thanks. Applied. Looks like this sequence appeared with ~2.6.0 or so.
>> Do you know if this is so?
>>
>> Cheers,
>>
>> Michael
> 
> "git log -p -- drivers/char/vt.c" shows that it's included in the initial 
> 2005 git commit. Is there an easier way to view early kernel history than 
> digging through kernel tarballs?

Tarballs is what I use in such cases... (And what I did in this case...)

Cheers,

Michael



-- 
Michael Kerrisk
Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/
Linux/UNIX System Programming Training: http://man7.org/training/
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