systemId="http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd" must be also point to /usr/share/sgml/xhtml11/xhtml11-flat.dtd like for publicId="-//W3C//DTD XHTML 1.1//EN" Reproducible: Always Steps to Reproduce: 1. create xhtml file empty.xhtml: <?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title>test</title> </head> <body/> </html> 2. run: xmllint --valid empty.xhtml Actual Results: $ time xmllint --valid empty.xhtml file:///usr/share/sgml/xhtml11/xhtml11.dtd:126: warning: failed to load external entity "file:///usr/share/sgml/xhtml11/xhtml-datatypes-1.mod" %xhtml-datatypes.mod;]]> ^ file:///usr/share/sgml/xhtml11/xhtml11.dtd:130: parser warning : PEReference: %LanguageCode.datatype; not found lang %LanguageCode.datatype; #IMPLIED" ^ file:///usr/share/sgml/xhtml11/xhtml11.dtd:130: parser warning : PEReference: %LanguageCode.datatype; not found lang %LanguageCode.datatype; #IMPLIED" ^ file:///usr/share/sgml/xhtml11/xhtml11.dtd:194: parser warning : PEReference: %Common.attrib; not found <!ENTITY % Ruby.common.attrib "%Common.attrib;" > ^ empty.xhtml:3: element html: validity error : No declaration for attribute xmlns of element html <html xmlns="http://www.w3.org/1999/xhtml"> ^ empty.xhtml:4: element html: validity error : No declaration for element html </html> ^ real 44m5,604s user 0m0,000s sys 0m0,010s Expected Results: validated content of empty.xhtml $ strace xmllint --valid empty.xhtml connect(7, {sa_family=AF_INET, sin_port=htons(80), sin_addr=inet_addr("128.30.52.100")}, 16) = -1 EINPROGRESS (Operation now in progress) poll([{fd=7, events=POLLOUT}], 1, 60000) = 1 ([{fd=7, revents=POLLOUT}]) getsockopt(7, SOL_SOCKET, SO_ERROR, [0], [4]) = 0 send(7, "GET /MarkUp/DTD/xhtml-inlstyle-1"..., 90, 0) = 90 brk(0x887f000) = 0x887f000 recv(7, 0x884ed90, 4096, 0) = -1 EAGAIN (Resource temporarily unavailable)
Created attachment 669878 [details, diff] always use xhtml11-flat.dtd
