<p></p>
<p>Ok. It was a font issue. I had done a search for "free monospace fonts" and I got the original file from some random free font website. It must have been old. I went to the link you provided to the Google font and downloaded that. I uninstalled the old one and installed the new one, and it seems fine now.<br>
Still and odd issue though, because, as you mention, ligatures and monospace fonts don't seem to make much sense.</p>

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