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List:       linux-kernel
Subject:    Re: [Patch] Support UTF-8 scripts
From:       hpa () zytor ! com (H !  Peter Anvin)
Date:       2005-08-31 23:27:19
Message-ID: df5ecn$jo3$1 () terminus ! zytor ! com
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Followup to:  <42FDE286.40707@v.loewis.de>
By author:    =?ISO-8859-1?Q?=22Martin_v=2E_L=F6wis=22?= <martin@v.loewis.de>
In newsgroup: linux.dev.kernel
>
> This patch adds support for UTF-8 signatures (aka BOM, byte order
> mark) to binfmt_script. Files that start with EF BF FF # ! are now
> recognized as scripts (in addition to files starting with # !).
> 
> With such support, creating scripts that reliably carry non-ASCII
> characters is simplified. Editors and the script interpreter can
> easily agree on what the encoding of the script is, and the
> interpreter can then render strings appropriately. Currently,
> Python supports source files that start with the UTF-8 signature;
> the approach would naturally extend to Perl to enhance/replace
> the "use utf8" pragma. Likewise, Tcl could use the UTF-8 signature
> to reliably identify UTF-8 source code (instead of assuming
> [encoding system] for source code).
> 

BOM should not be used in UTF-8.  In fact, it shouldn't be used at
all.

	-hpa
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