PDF detection
Generic PDF detection
verifying text node DOI check
Check for doi attributes
Check for doi in name/value attributes
testing
Restructured DOI scrape
PDF scrape
PDF fix
Associate DOI from PDF URL
filtering PDF results and merging with DOI results
Crawling the DOM tree from the PDF node
Fix PDF URL completion
Grabbing DOI info from a DOM crawl
De-duplicating results, preserving PDFs
cleanup
cleanup
Edge cases
refactoring
refactoring