> `<meta>` tags "using the Google/Highwire key-value system" sounds prommising -- but I'm having trouble finding a list of valid keys at the documentation linked to!
They're in the Indexing section of the linked Google page, just formatted in a particularly unreadable manner:
> I wish there was a way I could provide the cite in CSL!
We're planning to support `<link>` elements to any supported format — basically a modern replacement for unAPI, which went defunct before CSL could be listed as an option — but CSL wouldn't let you specify a PDF anyway. And most sites want the search engine indexing they get from embedded metadata.
They're in the Indexing section of the linked Google page, just formatted in a particularly unreadable manner:
https://scholar.google.com/intl/en/scholar/inclusion.html#in...
That will let you specify a PDF (`citation_pdf_url`) as well.
Should be mostly self-explanatory, but you can see Zotero's mappings here:
https://github.com/zotero/translators/blob/b18eeac0f770c698f...
> I wish there was a way I could provide the cite in CSL!
We're planning to support `<link>` elements to any supported format — basically a modern replacement for unAPI, which went defunct before CSL could be listed as an option — but CSL wouldn't let you specify a PDF anyway. And most sites want the search engine indexing they get from embedded metadata.