I was just about to mark up an interview with the dialog tag, only to find it's been dropped from the spec. Now, plain old P tags are the way to mark up conversations/interviews/etc., which seems a bit loose to me.

In HTML5, <i> and <b> are for when 'typical typographical presentation' demands bold or italicised text with no semantic meaning, which matches how I use <i> (for phrases in other languages, book & film titles, &c.). Also of note: screenreaders ignore <strong> and <em>.

"Pandoc is... for converting from one markup format to another. It can read markdown... reStructuredText, HTML, and LaTeX, and it can write markdown, reStructuredText, HTML, LaTeX, ConTeXt, RTF, DocBook XML, groff man, and S5 HTML slide shows."