Hello. I am having a problem with (or a misunderstanding of…) the “Mentions” inspector. Here is an example of what I am encountering. I have a markdown file named “Working on Meaning” The text of the file comes from a PDF entitled “Evidence and meaning”. The phrase “Working on meaning” appears in the PDF, but “Evidence and meaning” doesn’t show up in the markdown file’s mentions. This is just one of many examples from this pdf. I don’t think there’s anything wrong with the text-layer in the PDF, since the contents of the markdown file were copied out of the PDF. Any thoughts on what could be happening here?
One possible explanation is that the PDF’s text layer is broken or not identical to the visible text. In addition, how large is the document (number of words/pages)?
I don’t think it’s the text layer. The text of the markdown was generated by copying the annotations out of the PDF. If I search for Working on Meaning in Devonthink’s search, “Working on Meaning” shows up in the search results. Also, I can copy-and-paste the text out and it looks fine. The PDF is 266 pages, 3.1mb, 143332 words. Is the hint here that I’m just being impatient? 
I am seeing the same issue with Markdown specifically. Other file types are detected and reported.
This is on my Ventura Mac right now.
The Mentions inspector skips documents with more than 100000 words as the necessary information is not indexed but calculated on the fly instead.
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That’s a different issue and a bug of the current release.
Ah… that makes sense. So, if I chop that PDF into two or three smaller pdfs, they should start to show up?
Yes, this should work.
I have the same problem with Markdown files. Hope it can be fixed soon.