Thank you for the response. That does the trick, I bumped it up from the default. I suppose my issue should be closed as "Not A Bug".
Thanks again,
Dave
Dave Franklin wrote:
> I position the cursor on the first line in the file.
> When I execute the command: M-x highlight-lines-matching-regexp and
> select a regexp to use, Emacs only highlights a small fraction of lines
> that that match such regexp.
Maybe you want to increase hi-lock-highlight-range /
hi-lock-file-patterns-range. There may be performance consequences
though.