% pandoc -t native
[hi]{.smallcaps}
^D
[Para [SmallCaps [Str "hi"]]]

% pandoc -t native
[hi]{style="font-variant: small-caps;"}
^D
[Para [SmallCaps [Str "hi"]]]

% pandoc -t native
<span class="smallcaps">hi</span>
^D
[Para [SmallCaps [Str "hi"]]]

% pandoc -f html -t native
<p><span class="smallcaps">hi</span></p>
^D
[Para [SmallCaps [Str "hi"]]]

% pandoc -f html -t native
<p><span style="font-variant:small-caps">hi</span></p>
^D
[Para [SmallCaps [Str "hi"]]]

% pandoc -f native -t html
[Para [SmallCaps [Str "hi"]]]
^D
<p><span class="smallcaps">hi</span></p>

pandoc -f native -t markdown
[Para [SmallCaps [Str "hi"]]]
^D
[hi]{.smallcaps}