Same problem on WSL 1, Ubuntu 20.04.
Receiving Undefined subroutine &DiffHighlight::highlight_stdin called at /usr/share/doc/git/contrib/diff-highlight/diff-highlight.perl line 7.
Same problem on WSL 1, Ubuntu 20.04.
Receiving Undefined subroutine &DiffHighlight: :highlight_ stdin called at /usr/share/ doc/git/ contrib/ diff-highlight/ diff-highlight. perl line 7.