Locally load HTML spec

html

wget \
     --recursive \
     --no-clobber \
     --page-requisites \
     --html-extension \
     --convert-links \
     --restrict-file-names=windows \
     --domains html.spec.whatwg.org \
     --no-parent \
         https://html.spec.whatwg.org/multipage

cd html.spec.whatwg.org/multipage
wget https://html.spec.whatwg.org/multipage/fragment-links.js
cd ..

wget https://html.spec.whatwg.org/dfn.js
wget https://html.spec.whatwg.org/reviewer.js
wget https://html.spec.whatwg.org/status.js
wget https://html.spec.whatwg.org/updater.js
wget https://whatwg.org/style/specification >specification.css

find . -type f -print0 | xargs -0 sed -i "s|https://whatwg.org/style/specification|\"/specification.css\"|"

# python -m SimpleHTTPServer to view