[OAI-implementers] character vs entity references
Tue, 04 Nov 2003 07:56:20 +0200
you are correct - a character reference is meant to be the numeric
version rather than textual.
and the validation problem you have experienced is precisely why OAI
requires the use of numeric references - so that your XML is
self-contained and does not import any external entity definition files.
if all you have are Latin-1 entities, it isn't too difficult to convert
them to numeric equivalents in a pre-processing stage. some of the
templates on the OAI website already have support for this (like the
VTOAI Perl package)
Todd White wrote:
> in the OAI-PMH 2.0 document:
> ...under "3.2. XML Response Format," it reads:
> "Character references, rather than entity references, must be used."
> i'm assuming that this means, for example, that the n-tilde (ene) should
> be expressed with ñ instead of ñ
> is this correct? is the first the character reference and the latter the
> entity reference?
> i've been struggling as of late with the issue of character encodings (the
> verifier always chokes on records like the one we have with an n-tilde
> (ene) in the title). i'm now assuming that i should just serve these
> records with the numeric entity code (as in ñ for n-tilde).
> can anyone confirm this?
> Todd M. White
> Systems Research Programmer
> 734.647.8649 (direct) ~~~ http://www.merit.edu/~tmwhite/
> Merit Network, Inc.
> 4251 Plymouth Road, Suite 2000, Ann Arbor, MI 48105-2785
> 734.764.9430 (general) ~~~ 734.647.3745 (fax)
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