On Sun, Sep 19, 2021 at 09:45:19PM +0200, Vincent Lefevre wrote: > On 2021-09-19 19:15:54 +0200, Mattia Rizzolo wrote: > > I can never manage to download DTDs from w3.org (how could you?!), so, > > taking your testcase and a copy of the same DTD: > > The DTD is provided by Debian, no need to download it.
But you need to instruct xmllint to use said DTD, it won't by its own decision to pick a random DTD from the filesystem. I also know how to use apt-file myself: | % apt-file search xhtml1-strict.dtd | dita-ot: /usr/share/dita-ot/demo/h2d/dtd/xhtml1-strict.dtd | erlang-erl-docgen: /usr/lib/erlang/lib/erl_docgen-1.1.1/priv/dtd/xhtml1-strict.dtd | kate5-data: /usr/share/katexmltools/xhtml1-strict.dtd.xml | libpxp-ocaml-dev: /usr/share/doc/libpxp-ocaml-dev/examples/namespaces/xhtml1-strict.dtd.gz | librdf-rdfa-parser-perl: /usr/share/perl5/auto/share/dist/RDF-RDFa-Parser/catalogue/www.w3.org/MarkUp/DTD/xhtml1-strict.dtd | w3-recs: /usr/share/doc/w3-recs/html/www.w3.org/TR/2002/REC-xhtml1-20020801/DTD/xhtml1-strict.dtd.gz | w3c-sgml-lib: /usr/share/xml/w3c-sgml-lib/schema/dtd/REC-xhtml1-20020801/xhtml1-strict.dtd | xemacs21-basesupport: /usr/share/xemacs21/xemacs-packages/etc/psgml-dtds/xhtml1-strict.dtd | xmlcopyeditor: /usr/share/xmlcopyeditor/dtd/xhtml1-strict.dtd | % indeed the one I used is the one from xmlcopyeditor (I picked a random package, trusting that said .dtd is actually the same as all of the above). > > mattia@warren /tmp/tmp/xml % xmllint --dtdvalid xhtml1-strict.dtd --nonet > > --noout test.html > > I/O error : Attempt to load network entity > > http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd > > test.html:2: warning: failed to load external entity > > "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"; > > C//DTD XHTML 1.0 Strict//EN" > > "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"; > > > > ^ > > mattia@warren /tmp/tmp/xml % > > > > which looks good to me. > > An I/O error is not good. Your system appears to be broken. My system is fine. That error message is only a red herring due to --nonet, and indeed the return code of xmllint is 0. If you prefer, I can modify the DOCTYPE and do this instead, so there won't be "I/O error"s and the return code is clear: mattia@warren /tmp/tmp/xml % cat test.html <?xml version="1.0" encoding="utf-8"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "file:///tmp/tmp/xml/xhtml1-strict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml";> <head><title>title</title></head> <body><p>text</p></body> </html> mattia@warren /tmp/tmp/xml % xmllint --noout --nonet test.html ; echo $? 0 mattia@warren /tmp/tmp/xml % dpkg -l libxml2|tail -n1 ii libxml2:amd64 2.9.12+dfsg-4 amd64 GNOME XML library mattia@warren /tmp/tmp/xml % -- regards, Mattia Rizzolo GPG Key: 66AE 2B4A FCCF 3F52 DA18 4D18 4B04 3FCD B944 4540 .''`. More about me: https://mapreri.org : :' : Launchpad user: https://launchpad.net/~mapreri `. `'` Debian QA page: https://qa.debian.org/developer.php?login=mattia `-
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