We already call it that way internally.

On Fedora, commonmark is from nodejs-commonmark, which is long-term
broken.

If BASHUM_CTXSYM is set, show it in a different color.  This is intended
for special-purpose Bash invocations with modified environment, for example
when authentication to some remote service has been pre-set.

Finally stop using few-low-lettered globals; use proper Shellfu compliant
naming instead.

Also have separate variables for use in Bash PS*; these need extra chars
for hinting.

lrep() and prep() repeat every line, or whole stream, on stdin
$1 times.

..after moving out from GitHub

People can now run

    __bashum_run_n 100 echo hello world

and it will print "hello world" 100 times, instead of just running
`echo` 100 times and ignoring the `hello world` part.

'darkzen' color profile for HTMLs generated by mdvimb

Get current version at https://netvor.info/scripts/mdvimb

See also:

    https://github.com/koalaman/shellcheck/issues/1342

Work around, obey, or disable.

Mostly for easier visual distinction and also for fun.

'x' meaning primary, 'xx' meaning 'C-C' and 'v' meaning vipe(1).