harald alvestrand haraldalvestrandno surprising much agree julian reschke wrote certain usages http particular use http urls xml schemas tended denigrate implication say regard identifier still usage prevalent enough people complained servers identified popular xml schemas getting hit enough extra traffic cause operational problems ive heard well tried find exactly urls causing problem far tell always urls intended dereferenced urls dtds incorrect id love see pointer clearly stated somewhere urls dtds intended dereferenced murky old days dtds identified sgml identifiers dont think ill able dereference time soon harald _______________________________________________ ietf mailing list ietfietforg httpswwwietforgmailmanlistinfoietf thu 07 aug 2008 053235 0400 new schemes vs recycling http past lc comments draftietfgeoprivhttplocationdelivery08