Reindexing unindexed attachments
I don't seem to be able to find exactly what I want. I'm in Zotero 7. I want to reindex all items with unindexed pdfs in one of my libraries. I tried 'Advanced search', looked for Attachment File Type is PDF; and Attachment Content does not contain e (as the most common letter in English). That does show me a bunch of items with 'Title', 'Creator 'and 'Attachment'. I PRESUME - based on the query - that all of these are unindexed. But how can I now reindex JUST these?
Most of mine that come up for that search show No in the Indexed field, while a few say Queued.
I do have some broken attachment links (moved files) that I haven't resolved, I wonder if that could be interfering?