bug#44834: Fix for failing indentation of Tcl procs nested in namespace

[Dmitry Gutov]

On 11.02.2021 16:41, Eli Zaretskii wrote:
> Empty lines are clearly trivial, but what other examples of trivial
> lines exist?  Should we say "non-empty lines"?

I think we should also usually discount the cases of moving code around.

If a line was removed in one place and an exact same line added in 
another, it's not really new code.