Given that this is a Python website, I assume you use Pygments for syntax highlighting? There is now a lexer for the Elixir programming language in Pygments itself. I'd be awesome to have support for it. :)
Is this really resolved? When I go to my repository's settings, I cannot set repository language as Elixir. Also when I try to edit a file with BitBucket's new online editor, I cannot choose Elixir highlighting.