GNU bug report logs - #27786
tr: accept hex ranges as well as octal

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From: =?utf-8?B?56mN5Li55bC8?= Dan Jacobson <jidanni@HIDDEN>
To: bug-coreutils@HIDDEN
Subject: tr: accept hex ranges as well as octal
Date: Sat, 22 Jul 2017 08:35:29 +0800
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In (info "(coreutils) Character sets")

     =E2=80=98\OOO=E2=80=99
          The 8-bit character with the value given by OOO, which is 1 to
          3 octal digits.  Note that =E2=80=98\400=E2=80=99 is interprete=
d as the
          two-byte sequence, =E2=80=98\040=E2=80=99 =E2=80=980=E2=80=99.

OK but do add hex too. Hmm, I probably reported this before but can't
tell because I'm offline while I'm writing this, and it is too important
anyway for me to check vs. mentioning again.