Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!uunet!mcsun!ukc!stc!miclon!nseed
From: nseed@miclon.uucp (Nick)
Newsgroups: comp.protocols.iso
Subject: Re: Escape sequences in ASN.1 character strings
Message-ID: <1990Jul24.135737.829@miclon.uucp>
Date: 24 Jul 90 13:57:37 GMT
References: <997@sl10c.concurrent.co.uk> <19316.648733166@UK.AC.UCL.CS>
Organization: Micrognosis, London, UK
Lines: 16

In article <19316.648733166@UK.AC.UCL.CS> S.Walton@CS.UCL.AC.UK (Simon Walton) writes:
#> Are values in ASN.1 character string types that by default include no Cn
#> sets (e.g. Graphic String) permitted to load a Cn set via an escape
#> sequence?
#
#   When using basic encoding rules the representation for
#GraphicString may contain escape sequences to invoke Cn
#character sets. NumericString, PrintableString and
#VisibleString (ISO646String) may not contain escape sequences
#(or control characters).

It is my understanding that apart from the above, IA5 String types must
also be included in the list of types that may not contain escape
sequences.

  Paul