Use this palaeographic utility to apply a stated dating, script, abbreviation, codicological, metrological, layout, or condition rule consistently while preparing manuscripts for scholarly review.

Total lines

Lines in the affected entry or record.

Expunged lines

Lines obscured by expunging strokes.

Whole entry expunged

True when the observer records the whole entry as blacked out.

Rate how heavily an entry was expunged under the stated rule: share of lines blacked out banded as untouched (0%), spot (<10%), partial (10-50%) or wholesale (>50%), with fullyBlackedOut set when every line is struck or the observer declares whole-entry erasure. The tool evaluates the supplied inputs together and returns the named outputs below; it does not infer omitted operating conditions or change the units shown.^[1]

Expunged %

Expunged lines as a percentage of all lines.

Severity band

Severity band from the stated thresholds.

Fully blacked out

True when nothing legible remains by count or declaration.

• Script and manuscript evidence varies by language, region, institution, period, scribe, material, restoration, and cataloguing convention. A heuristic flag or score is not an authoritative date, hand attribution, reading, provenance, or conservation diagnosis.
• Use finite inputs in the displayed units and preserve more precision than the final presentation requires. Independently verify safety-critical, financial, compliance, or production decisions.

Retain page images, scale, foliation, material, provenance, diplomatic transcription, uncertainty, and comparison exemplars; confirm conclusions with codicological context and specialist judgment.

• Iron-Gall Corrosion Grade Rater

  Rate iron-gall ink corrosion on the stated transparent rule: each of four indicators (ink loss, burn-through, halo bleeding, mechanical weakness of the sheet) is scored 0-3 by the observer, and the grade is the rounded mean with labels none/slight/moderate/severe for 0/1/2/3.

• Ductus Complexity Index Rater

  Rate script ductus complexity under the stated rule: strokes per letter with bands economical (<3), moderate (3-6) and complex (>6), plus pen lifts per letter as a secondary index.

• Nib / X-height Consistency Checker

  Check that repeated x-height measurements agree within tolerance under the stated rule: spread is (max-min)/mean in percent and the hand counts as consistent when spread does not exceed the tolerance (default 10%).