Hi!

Most text editors have LaTeX specific syntax highlighting, so it makes
sense to give your ConTeXt file a ending it can be distinguished with.
Is there a blessed one?

   - .ctx: Would mirror the semi-common .ltx, but is used for XML files
   inside of ConTeXt itself
   - .mkiv: Is that just for ConTeXt or all LuaTeX stuff? Would it make
   sense to give text documents that extension?
   - Something else? (.tex doesn’t count, it’s shared with LaTeX files and
   plain TeX files)

Best, Philipp