Exclude previously tagged bibliography entries from superscript footnote classifier
Cleanup
Remove numeric markers at start of references
Remove unnused bibliographic tagging mechanism
Handle new type of Zotero JSON format
Skip linking of square bracket reference items
Bugfix: don't re-assign IDs when already present
Bail out of stub linking if bracketed text is very short
In interactive mode, run scan in isolation first
New square brackets reference linker
Strip ext-link tags when href is empty
Centralize NLM tree save method
Centralize TEI tree save method (and enable pretty_print)
Add --prettytei command option as always enabled mode breaks formatting

(but this is useful for tracking down errors in the git debug filesystem)
Add whitelist of allowed elements inside TEI head to prevent miscategorisation
Add indexical correlation method for matching square brackets to references
Added better debug handling when unable to link stubs in reference linker
Lower verbosity
Implement range handling for square bracket references
Fix off-by-one range error when replacing bracketed ranges