I think I've found the cause of the weird fonts used in the 7.4 docs. The latest stylesheets (version 1.78) convert DocBook's <literal> to HTML's <var>, which renders as italic proportional font in some/many browsers. And there were some similar changes with less obvious impact. I've fixed this in the current docs and the 7.4 branch and filed a bug about it. Be sure to rebuild the docs for the 7.4.1 release and on the web site.
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