The `code` does not reset bold font after its end

[Felixoid]

Here's the simplest thing to reproduce:

echo 'Here is a line with `code` that remains bold after the back-ticks' | mdv -t rebecca -

The version used is 1.6.3.r133.g33d0cf3 built from 33d0cf3

[Felixoid]

Dear @axgkl, I've bisected repo, and the commit implementing this behavior is cd4839d