style.txt @ 4a629137f5b9 jlmuir/fix-typo-in-ch-15-the-to-1475169459896

Output should be enclosed in backticks.  So:

    If you type `:echom "Hello!"` Vim will output `Hello`.

Filenames should also be in backticks.

Key mappings should be lowercase.

    nnoremap <esc> ...

Keep code within 70 or so cols.

Prefix code blocks with :::vim or :::text.