On 01/19/2017 05:08 PM, John Muccigrosso wrote:
> I was helping a friend use pandoc to go from markdown to PDF on a Mac.
> His problem was that the default PDF output couldn't handle the Greek
> characters.
> [...]
> I'm concluding that the default PDF output font (Latin Modern Roman?)
> doesn't have these characters, whereas Baskerville (among others) does.

Sorry for my delayed reply, John.

The Latin Modern typeface only contains Latin glyphs.

> Is this right? Is there another way to solve this within the default setup?

https://cm-unicode.sf.net contains Computer Modern fonts in OpenType
format. The following should work:

    \setmainfont{CMU Serif}

Even defining a fallaback font for Greek characters should be easy with
fontspec. But I haven’t used LaTeX for years and I don’t remember how to
do it.