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A marker after more than one closing bracket. Parentheticals nest -- "5 wt% of Super P carbon (Tim-cal) in N-Methylpyrrolidone (Aldrich)).19" closes two of them between the sentence's last letter and its full stop -- and matching a single one was still one short. The brackets are consumed and put back now rather than looked behind, because a lookbehind in Python has to be a fixed width and a run of them is not. A designation that begins where a number ends. A hydrate is written with the ether welded to the stoichiometry, "AlH3·0.25Et2O", and the pattern refused to start on a token with a digit in front of it -- so the plain pass said "zero point two five" and left the ether spelled out as a number. The leftmost match still wins, so a coefficient in front is claimed with its token as before. And the Norwegian company suffix, which is not the English word "as". Written a/?s under re.I alongside "university" and "institute", it matched every front-matter block containing that word -- including one paper's title, "Aluminum hydride as a hydrogen and energy storage material". Triage dropped the title as content-free while the orientation went on saying it, which is what rule STR-01 asks for and what COH-01 then reported as a leak. Two hints either side of it had never matched anything at all: the pattern ends in a word boundary and there is none between "Dept." and the space after it, nor after "Inc." at the end of a phrase. Corpus: two errors across the twelve papers, and ten of them build clean. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
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A marker after more than one closing bracket
Parentheticals nest:
Two brackets close at once between the sentence's last letter and its full stop, and matching a single one was still one short. They are consumed and put back now rather than looked behind — a lookbehind in Python has to be a fixed width, and a run of them is not.
A designation that begins where a number ends
A hydrate is written with the ether welded to the stoichiometry —
AlH3·0.25Et2O— and the designation pattern refused to start on a token with a digit in front of it. So the plain pass said "zero point two five" and left the ether spelled out as a number.The leftmost match still wins, so a coefficient in front is claimed with its token as before:
4AlH3→ "four AlH three". Tested.The Norwegian company suffix is not the English word "as"
a/?s, written underre.Ialongsideuniversityandinstitute, matched as. Every front-matter block containing that word was called an affiliation — including one paper's title:Triage dropped the title as content-free, the orientation went on saying it (which is what
STR-01asks for), andCOH-01reported the result as a leak.While there: two hints either side of it had never matched anything at all. The pattern ends in a word boundary, and there is none between
Dept.and the space after it, nor afterInc.at the end of a phrase.Corpus
The two that remain are both understood and both narrow: a DOI fragment inside a reference line, and a second, much poorer scan of a paper the corpus already contains, where only one superscript marker survives extraction — too few for
MIN_SUPERSCRIPT_EVIDENCEto let the stripper touch anything, which is the gate working as designed.🤖 Generated with Claude Code