maintenance: raw-string the LaTeX-carrying docstrings - #70
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Non-raw docstrings containing LaTeX are corrupted by Python's escape handling.
Two distinct failure classes, and only the first is visible:
warned `\s`, `\l`, `\[` ... escapes Python does NOT recognise. It leaves
them literal but emits SyntaxWarning on every compile/import, and
they are slated to become a SyntaxError.
silent `\t` in `\theta`, `\f` in `\frac`, `\r` in `\rm`, `\b` in `\beta`.
Escapes Python DOES recognise: the value is corrupted with NO
diagnostic at all. `\theta_E` was literally TAB + "heta_E".
20 literals across 4 files get the `r` prefix. Both sweeps now return zero.
Verified, not assumed:
- Runtime values: 13 corruptions repaired, 0 other changes. Every changed
literal's value was compared HEAD vs worktree; the prefix may only ever
REMOVE corruption, never alter a string otherwise.
- Regenerated with autohands: notebooks/, markdown/, llms-full.txt and workspace_index.json are ALL byte-identical -- the generator swaps the delimiter either way, so the diff-empty gate passes exactly.
Prose is untouched -- only the delimiter gains an `r`. Deliberate escapes were
left alone (real newlines in print(), already-escaped LaTeX line breaks): the
prefix was applied only where every backslash sits in a LaTeX context.
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Part of PyAutoLabs/autolens_workspace#491 — one of six independent, prose-only PRs (one per workspace repo). No API surface, so no cross-repo merge ordering.
Non-raw docstrings containing LaTeX are corrupted by Python's escape handling, in two classes — and only one of them is visible:
\s,\l,\[— escapes Python does not recogniseSyntaxWarningper compile; slated to becomeSyntaxError\tin\theta,\fin\frac,\rin\rm20 literals across 4 files get the
rprefix. Both sweeps now return zero. Prose is untouched — only the delimiter gains anr.Verification
notebooks/,markdown/,llms-full.txtandworkspace_index.jsonare all byte-identical — the diff-empty gate passes exactly.One docstring here (
chapter_2_modeling/tutorial_1_non_linear_search.py) needed a hand-approved prefix: its prose contains pre-existing malformed nested LaTeX (\(f(\( … \))\)) that the automatic math-span matcher cannot bracket. Every backslash in it was read and confirmed LaTeX (\text{}×21 plus brackets); the 21\twere the silent\text→ TAB+extcorruption. The malformed delimiters were left exactly as found — fixing them is a prose change, not this task.Left alone deliberately
Real newlines in
print()and already-escaped LaTeX line breaks. The prefix was applied only where every backslash in the literal sits in a LaTeX context ($…$,\(…\),\[…\],\begin{}…\end{}, or a markdown code span), with an absolute veto on\\, escaped quotes and numeric escapes regardless of context.Unblocked by PyAutoHands#251, which taught the notebook and env parsers to accept an
r"""opener.🤖 Generated with Claude Code
https://claude.ai/code/session_01MTjtx5mdituitiyQYFGn2E
Generated by Claude Code