Hello Artemy, all, On Jul 25, 2007, at 15:10 , Artemy Lomov wrote: > Even this page is 'not valid' XHTML: > > http://validator.w3.org/check?uri=http%3A%2F%2Fvalidator.w3.org%2F: > > *** > > Failed validation, 4 Errors > > Line 425, Column > 80: XML Parsing Error: Entity 'nbsp' not defined. > Line 425, Column > 80: XML Parsing Error: Entity 'nbsp' not defined. > Line 450, Column > 80: XML Parsing Error: Entity 'copy' not defined. > Line 451, Column > 80: XML Parsing Error: Entity 'reg' not defined. This was a hard bug to hunt down, hard to reproduce as reloading the same validation page would sometimes give different results. We found that the libxml2-based parser would fetch a lot of schema and entity files, resulting in being sometimes temporarily banned by www.w3.org servers. As a result, entities could not be dereferenced, and the parser would throw errors. We fixed the issue by not letting the xml parser fetch remote DTD/ entity files, and filtering out errors about undefined entities. The fix is in production as of now. -- olivierReceived on Thursday, 26 July 2007 02:45:43 GMT
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