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Are you sure - they seem to be listed in the Unicode standard "Controls and Basic Latin" set. (http://www.unicode.org/charts/PDF/U0000.pdf) Matthew > -----Original Message----- > From: Z39.50 Next-Generation Initiative [mailto:[log in to unmask]] > On Behalf Of Adam Dickmeiss > Sent: 28 June 2004 15:53 > To: [log in to unmask] > Subject: Re: Unserializable scan response > > LeVan,Ralph wrote: > > >How can there be a character that you can't at least > serialize as a hex > >code? > > > > > All hex codes (when given as &#..) must be part of UNICODE > charset. And ESC and some others in range 0x01-0x1f aren't valid. > > -- Adam > > >Ralph > > > > > > > >>-----Original Message----- > >>From: Robert Sanderson [mailto:[log in to unmask]] > >>Sent: Monday, June 28, 2004 10:02 AM > >>To: [log in to unmask] > >>Subject: Unserializable scan response > >> > >>I've got a gateway to a Z39.50 server which returns > characters which I > >>can't serialize to XML and/or successfully deserialize, for example > >>the ascii escape character. (Why this is in the index I > have no idea, > >>as it makes the term impossible to search with, but that's not my > >>problem or my > >>fault) > >> > >>As we don't have term surrogate diagnostics, what do I do? > >> > >>* Simply omit the term? > >> This seems wrong, but I'm tending towards it as the best > of a bad lot. > >> > >>* Return a term with a null value? > >> Wrong, as a search for the null value may or may not > produce results. > >> > >>* Strip out the unserializable characters and return the > resulting term? > >> Seems wrong as the numberOfRecords will probably be > wrong, barring good > >> fortune. > >> > >>* Other? > >> > >>Rob > >> > >> > >> ,'/:. Dr Robert Sanderson ([log in to unmask]) > >> ,'-/::::. http://www.o-r-g.org/~azaroth/ > >> ,'--/::(@)::. Special Collections and Archives, > extension 3142 > >>,'---/::::::::::. University of Liverpool > >>____/:::::::::::::. > >>I L L U M I N A T I L5R Shop: http://www.cardsnotwords.com/ > >> > >> > > > > > > >