/etc/group - ASCII only? (daily run output)

[Mikhail Teterin]

Hello!

For several years we had some group-names spelled out in Cyrillics on the 
server. That worked in 4.10 and seems to continue to work in 6.2. Except for 
the following daily warnings, which we never saw in 4.x:

----------  Forwarded Message  ----------
Date: Fri, 2 Feb 2007 03:08:36 -0500 (EST)
From: Charlie Root <root at bonkers....>
Message-Id: <200702020808.l1288auN015440 at bonkers....>
To: root at bonkers....
Subject: bonkers.... daily run output

[...]

Backup passwd and group files:

Verifying group file syntax:
chkgrp: /etc/group: line 37: 'щ' invalid character
chkgrp: /etc/group: line 38: 'щ' invalid character
chkgrp: /etc/group: line 38: 'е' invalid character
chkgrp: /etc/group: line 38: 'р' invalid character

[...]
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Why does it care? Thanks!

	-mi