bdeshiandClaude Opus 5 9776331de0 Revert lever 3; record why the parfillskip lever cannot be tuned
A finite \parfillskip was tried at 0.75\textwidth (no effect) and then,
after deriving the threshold, at 0.15\textwidth (real effect, bad
trade). Badness is 100(G/X)^3 against tolerance 4000, so the threshold
is G ~ 3.4(X + 24pt): on a 430pt measure any X at or above
0.25\textwidth prescribes a threshold longer than the measure and can
never fire. The only values in range are 0.15 and 0.10, and 0.10 bites
harder — so the lever is effectively binary.

At 0.15 it did what it promised and cost more than it bought:

  paragraph-final   mean 161.7 -> 142.7, p90 319 -> 267, max 398 -> 341
  paragraph-internal median 22.8 -> 35.7pt, >3em short 29.4% -> 48.0%
  underfull boxes   123 -> 1902

There are far more interior lines than final ones. Back to ragged2e's
default, with the derivation kept in the preamble so this is not
rediscovered by experiment a third time.

Net of all five levers: 5 fixed a real conflict, 2 and 4 are harmless
and near-inert here (the ragged right margin is never reached, and only
1.6% of lines begin with a protrudable character), 1 and 3 were
reverted as measurably harmful. Rag is within ~1% of where it started.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
2026-09-14 23:06:37 +06:00

Ross 1988 — re-typeset edition (work in progress)

Re-typesetting Fiona Ross's 1988 SOAS Ph.D. thesis The Evolution of the Printed Bengali Character from 1778 to 1978 from the ProQuest scan into a searchable PDF.

Quick start

make image          # build the toolchain container (TeX Live/XeLaTeX, poppler, tesseract, python)
make check          # consistency checks
make build          # → ross-1988-retypeset.pdf (previous version archived in older-versions/)

Continue the conversion with Claude Code from this directory: it reads CLAUDE.md, PLAN.md, CONTINUATION.md; /batch, /verify and /status are provided in .claude/commands/.

Layout

Path What
source/10731406.pdf the scan (ProQuest), untouched
src/preamble.tex, src/colophon.tex, src/pages/pNNNN.tex one file per original page (NNNN = PDF page)
plates/ plate images cropped from the scan at native 300 dpi
fonts/ Tiro Bangla (OFL)
tools/ prep.sh (raster+OCR scaffold), ocr2tex.py (draft), crop_plate.py, check.py
manifest.tsv page-by-page ledger: PDF page → printed page, kind, status, file
PLAN.md / CONTINUATION.md / QUESTIONS.md / CLAUDE.md design · resume point · open readings · working rules
older-versions/ every superseded PDF and preamble
scans/, work/ scratch (regenerable; excluded from the archive)
S
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