```
% pandoc -f latex -t native
\newcommand{\ddb}[2]{
  \textit{``#1''}

  \textbf{#2}
}
\ddb{This should be italic and in quotes}{And this is the attribution}
^D
[Para [Emph [Quoted DoubleQuote [Str "This",Space,Str "should",Space,Str "be",Space,Str "italic",Space,Str "and",Space,Str "in",Space,Str "quotes"]]]
,Para [Strong [Str "And",Space,Str "this",Space,Str "is",Space,Str "the",Space,Str "attribution"]]]
```
