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Re: names with certain letters are not recognized as such


From: Eric Blake
Subject: Re: names with certain letters are not recognized as such
Date: Wed, 09 Jun 2010 19:12:04 -0600
User-agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.9) Gecko/20100430 Fedora/3.0.4-3.fc13 Lightning/1.0b2pre Mnenhy/0.8.2 Thunderbird/3.0.4

On 06/09/2010 06:59 PM, Mike Frysinger wrote:
> On Wednesday, June 09, 2010 09:26:04 Krzysztof Żelechowski wrote:
>> Description:
>>         The string "uznań" is not recognized as a name, although it
>> contains only letters.
>>
>> Repeat-By:
>>         uznań=1
> 
> this is not a bug.  your definition of "only letters" is not the same as what 
> the standard says.
> http://www.opengroup.org/onlinepubs/9699919799/utilities/V3_chap02.html#tag_18_05
> http://www.opengroup.org/onlinepubs/9699919799/basedefs/V1_chap03.html#tag_03_230
> http://www.opengroup.org/onlinepubs/9699919799/basedefs/V1_chap06.html#tag_06_01

That said, bash is within its rights to add, as an extension to the
standard, the use of any valid letter within the current locale.  But
someone would have to write a patch to do that, and make sure that such
a patch doesn't adversely affect speed, and that such identifiers don't
break when you switch to another locale where the same byte pattern is
no longer composed of valid letters.

-- 
Eric Blake   address@hidden    +1-801-349-2682
Libvirt virtualization library http://libvirt.org

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