Add the following to your
Enable the mode using
M-x highlight-parentheses-mode or by adding it to a hook
(add-hook 'prog-mode-hook #'highlight-parentheses-mode)
See how parens are fontified reddish if they contain point.
For asking questions, sending feedback, or patches, refer to my public inbox (mailinglist). Please mention the project you are referring to in the subject.
Bugs and requests can be reported here.
highlight-parentheses.el is licensed under the GPLv3 (or later).