New answers tagged validation
1
In Debian/Ubuntu you can do:
sudo apt-get install w3c-markup-validator
This will get you the web interface.
If you want to validate from the console, edit /usr/share/doc/w3c-markup-validator/examples/validate.pl and install libwebservice-validator-html-w3c-perl. Now you can run validate.pl with an URL to validate.
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