sphinx-copybutton
                                
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                        Copy button does not show up for productionlist
Describe the problem
Basically, there’s no copy button added on plain pre blocks that are not highlighted.
Link to your repository or website
No response
Steps to reproduce
See pages in docs.python.org/3/reference, for an example of the markup. Most packages have a section noting the grammar, that don’t use highlighting, and won’t get a copy button.
The version of Python you're using
N/A
Your operating system
N/A
Versions of your packages
No response
Additional context
No response
If I recall, the reason that we didn't select for plain ol' pre is because I thought that might be a tad aggressive and add buttons that people didn't want. Instead this could be worked around for people that want pre by defining your own CSS selector: https://sphinx-copybutton.readthedocs.io/en/latest/#configure-the-css-selector-used-to-add-copy-buttons