You could add this yourself using highlight.js - http://softwaremaniacs.org/soft/highlight/en/
Just add the script to your page via your theme.
Alternatively, the Markdown editor includes this same script: https://github.com/svivian/q2a-markdown-editor
Welcome to the Q&A site for Question2Answer.
If you have a question about Q2A, please ask in English.
To report a bug, please create a new issue on Github or ask a question here with the bug tag.
If you just want to try Q2A, please use the demo site.
July 15, 2020: Q2A 1.8.5 released!