bug#48707: outline not distinguishing between levels well enough

[Juri Linkov]

tags 48707 fixed
close 48707 28.0.50
thanks

> Thank you for the patch.  I have updated outline.el and rebuilt emacs and I 
> can see
> changes.  I am unsure though how to change the heading level colours for 
> different
> subheading levels, because the headings all look like comments.

Thanks for confirming.  Now the fix is pushed.