[OAI-implementers] valid character encoding

Thomas G. Habing thabing@uiuc.edu
Wed, 13 Aug 2003 09:49:32 -0500

Todd White wrote:
> is there a limited number of valid character encodings for a valid OAI
> repository?
> the encoding i am using is "ISO-8859-1"  this is to support some special
> characters in our metadata that were not supported by UTF-8.
> when i tested our newly developed OAI respository software using the
> web-based Open Archives Initiative - Repository Explorer
> (http://oai.dlib.vt.edu/cgi-bin/Explorer/oai2.0/testoai) it told me...
>   XML Schema Validation Error !
>   Illegal character encoding in XML
> here's the URL to our repository:
>   http://michiganteacher.net/oai
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The OAI spec mandates that all XML responses must be encoded as UTF-8.

I believe that every character from ISO-8859-1 has a Unicode point so you 
should be able to encode them as UTF-8 with some translation.


Thomas Habing
Research Programmer, Digital Library Projects
University of Illinois at Urbana-Champaign
155 Grainger Engineering Library Information Center, MC-274
thabing@uiuc.edu, (217) 244-4425