Forum OpenACS Development: Re: UTF-8 default ?
What about people who run Oracle 8.1.7 and don't use UTF-8 because interMedia has problems with it?
encoding system [ns_config ns/server/[ns_info server] SystemEncoding utf-8]
so that the Tcl system encoding was set to ns/server/$server/SystemEncoding, defaulting to utf-8. This patch was in the ad13 part.