Issue #2546248 by scythian, XaviP, darrenwh, mikebell_, ingaro, urbanlegend,...

Issue #2546248 by scythian, XaviP, darrenwh, mikebell_, ingaro, urbanlegend, jhodgdon, davidhernandez, andypost, joelpittet, emma.maria, cdykstra, Cottser, LewisNyman, joachim: Use consistent style to mention HTML tags in code comments

(cherry picked from commit 8e2cf9db)