linux-kernel - Re: [PATCH] update checkpatch.pl to version 0.03

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Message-ID: <20070607234906.GV5500@stusta.de>
Date:	Fri, 8 Jun 2007 01:49:06 +0200
From:	Adrian Bunk <bunk@...sta.de>
To:	Alan Cox <alan@...rguk.ukuu.org.uk>, jcm@...masters.org
Cc:	Jan Engelhardt <jengelh@...putergmbh.de>,
	Jesper Juhl <jesper.juhl@...il.com>,
	Andy Whitcroft <apw@...dowen.org>,
	Andrew Morton <akpm@...l.org>,
	Randy Dunlap <rdunlap@...otime.net>,
	Joel Schopp <jschopp@...tin.ibm.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] update checkpatch.pl to version 0.03

On Fri, Jun 08, 2007 at 01:21:52AM +0200, Adrian Bunk wrote:
>...
> I added a MODULE_AUTHOR("J. Ørsted <jorsted@...bar.com>") into the "raw" 
> module:
> 
> # echo $LANG
> C
> # modinfo --version
> module-init-tools version 3.3-pre11
> # modinfo raw
> filename:       /lib/modules/2.6.21.2/kernel/drivers/char/raw.ko
> author:         J. Ã
>                     ^ the cursor hangs here
>...

If anyone's wondering what's happening:

The UTF-8 representation of the character Ø consists of the two bytes
  0xC3 0x98

In the ISO/IEC 8859 encodings where every character is represented by 
one bytes this corresponds to two characters:

In ISO/IEC 8859-1 the byte 0xC3 represents the character Ã resulting in 
the (harmless) display of this wrong character.

But in all the ISO/IEC 8859 encodings, the byte 0x98 is the 
_control code_ "Start of String".

Therefore, if we want start using UTF-8 anywhere into the kernel, we 
must ensure that all applications correctly convert all characters 
if running in a non-UTF-8 environment.

I'm not sure that's worth the hassle.

cu
Adrian

-- 

       "Is there not promise of rain?" Ling Tan asked suddenly out
        of the darkness. There had been need of rain for many days.
       "Only a promise," Lao Er said.
                                       Pearl S. Buck - Dragon Seed

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