Code samples use the HTML
samp element as follows:
Text sections that are asides (annotations to the main topic) are marked using the
hr element can be used to split sections (see also Using subtitles).
code element is used for inline code or
em elements are
rendered as bold and italic respectively by default.
dfn element is now used instead of the
index element to
mark up terms suitable for adding to an index. The block
kbd element is
used to highlight command-line entry: