"That's tagging a 50k cell table almost 40x faster. Not bad for an afternoon's work, eh?"
Commits that made it happen:
https://github.com/itext/itext-java/commit/71451319ebb9463d2...
https://github.com/itext/itext-java/commit/b50c34e14f012993f...
https://github.com/itext/itext-java/commit/b6b212971e285a4a8...
https://github.com/itext/itext-java/commit/0626cd422a275ac40...