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147 lines
9.1 KiB
Markdown
147 lines
9.1 KiB
Markdown
# Diacritics & Folding — Guardrails and Fix Pattern
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<details>
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<summary><strong>🧭 Quick Return to Map</strong></summary>
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<br>
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> You are in a sub-page of **LanguageLocale**.
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> To reorient, go back here:
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>
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> - [**LanguageLocale** — localization, regional settings, and context adaptation](./README.md)
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> - [**WFGY Global Fix Map** — main Emergency Room, 300+ structured fixes](../README.md)
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> - [**WFGY Problem Map 1.0** — 16 reproducible failure modes](../../README.md)
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>
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> Think of this page as a desk within a ward.
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> If you need the full triage and all prescriptions, return to the Emergency Room lobby.
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</details>
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A focused repair when accents and diacritic marks cause retrieval drift, broken citations, or unstable reranking. Use this page to lock a per-language normalization policy, keep citations faithful to the original text, and keep ΔS within target.
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## Open these first
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- Visual map and recovery: [RAG Architecture & Recovery](https://github.com/onestardao/WFGY/blob/main/ProblemMap/rag-architecture-and-recovery.md)
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- End to end retrieval knobs: [Retrieval Playbook](https://github.com/onestardao/WFGY/blob/main/ProblemMap/retrieval-playbook.md)
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- Why this snippet (traceability schema): [Retrieval Traceability](https://github.com/onestardao/WFGY/blob/main/ProblemMap/retrieval-traceability.md)
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- Snippet and citation schema: [Data Contracts](https://github.com/onestardao/WFGY/blob/main/ProblemMap/data-contracts.md)
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- Embedding vs meaning: [Embedding ≠ Semantic](https://github.com/onestardao/WFGY/blob/main/ProblemMap/embedding-vs-semantic.md)
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- Tokenizer mismatch: [tokenizer_mismatch.md](https://github.com/onestardao/WFGY/blob/main/ProblemMap/GlobalFixMap/LanguageLocale/tokenizer_mismatch.md)
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- Script mixing in one query: [script_mixing.md](https://github.com/onestardao/WFGY/blob/main/ProblemMap/GlobalFixMap/LanguageLocale/script_mixing.md)
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- Digits, width, punctuation drift: [digits_width_punctuation.md](https://github.com/onestardao/WFGY/blob/main/ProblemMap/GlobalFixMap/LanguageLocale/digits_width_punctuation.md)
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- Normalization and scaling notes: [normalization_and_scaling.md](https://github.com/onestardao/WFGY/blob/main/ProblemMap/GlobalFixMap/Embeddings/normalization_and_scaling.md)
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- Locale drift overview: [locale-drift.md](https://github.com/onestardao/WFGY/blob/main/ProblemMap/locale-drift.md)
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## When to use this page
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- Store search finds “Malaga” while the source reads “Málaga”, citations fail to land.
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- BM25 works after accent folding but vectors point to different sections.
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- Vietnamese, French, Spanish or German show uneven recall after a language mix.
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- OCR keeps combining marks that your tokenizer later drops.
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- Reranker prefers unaccented variants even when the gold passage contains accents.
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## Acceptance targets
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- ΔS(question, retrieved) ≤ 0.45
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- Coverage of target section ≥ 0.70
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- Citation offsets within ±4 tokens between displayed text and source
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- Per-language exact-match on a 300-item accent set ≥ 0.95
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- λ remains convergent across 3 paraphrases and 2 seeds
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---
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## Map symptoms to the exact fix
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| Symptom | Likely cause | Open this and apply |
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|---|---|---|
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| Citation points to the wrong offsets when accents exist | One view folded, the other original | [Data Contracts](https://github.com/onestardao/WFGY/blob/main/ProblemMap/data-contracts.md) · define **visual_text** (original) and **search_text** (folded) in every snippet; verify with [Retrieval Traceability](https://github.com/onestardao/WFGY/blob/main/ProblemMap/retrieval-traceability.md) |
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| High BM25 score, low vector agreement on accented words | Analyzer folds accents but embedding text did not, or the reverse | Align ingest and query analyzers in the store; embed **visual_text** and rerank with deterministic policy, see [Retrieval Playbook](https://github.com/onestardao/WFGY/blob/main/ProblemMap/retrieval-playbook.md) |
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| French and Vietnamese regress after “remove accents” policy | Per-language rules collapsed into a global fold | Keep a per-language policy with stored `locale`, see [locale-drift.md](https://github.com/onestardao/WFGY/blob/main/ProblemMap/locale-drift.md) |
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| Tokenizer splits or drops combining marks | OCR export or tokenizer mismatch | Repair OCR and choose a consistent tokenizer, see [tokenizer_mismatch.md](https://github.com/onestardao/WFGY/blob/main/ProblemMap/GlobalFixMap/LanguageLocale/tokenizer_mismatch.md) and [Retrieval Traceability](https://github.com/onestardao/WFGY/blob/main/ProblemMap/retrieval-traceability.md) |
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| Reranker prefers unaccented decoys | Feature bias and query split across scripts | Lock reranker inputs and tie back to citation-first plan, see [Rerankers](https://github.com/onestardao/WFGY/blob/main/ProblemMap/rerankers.md) and [script_mixing.md](https://github.com/onestardao/WFGY/blob/main/ProblemMap/GlobalFixMap/LanguageLocale/script_mixing.md) |
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| Full-width digits or punctuation shift offsets in CJK + Latin mix | Width and punctuation normalization out of sync | Normalize width for **search_text** only, preserve for **visual_text**, see [digits_width_punctuation.md](https://github.com/onestardao/WFGY/blob/main/ProblemMap/GlobalFixMap/LanguageLocale/digits_width_punctuation.md) |
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---
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## 60-second fix checklist
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1) **Choose a normalization policy**
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- Store two views per snippet:
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`visual_text` = original source in NFC, accents preserved.
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`search_text` = NFD, remove `\p{Mn}` combining marks, casefold, language-aware exceptions.
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- Always render and cite from `visual_text`. Index BM25 on `search_text`. Vectors usually embed `visual_text`.
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2) **Record locale and analyzer**
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- Add `locale` (e.g., fr, vi, es, de).
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- Log `index_analyzer` and `query_analyzer` names in trace. They must match.
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3) **Reranking and order**
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- Use citation-first assembly. If λ flips when you reorder headers, lock schema and apply BBAM variance clamp.
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4) **Probe ΔS and coverage**
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- Vary k = 5, 10, 20. If ΔS stays high and flat, suspect analyzer mismatch or wrong fold target.
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5) **Build a small gold**
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- 300 pairs per language with accented vs unaccented queries. Require ≥ 0.95 exact match and stable ΔS.
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---
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## Minimal test plan
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- Paraphrase triad on each language pair.
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- Accent toggle test: same query with and without accents.
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- Citation parity: offsets within ±4 tokens between displayed answer and source.
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- Store drift audit after deploy: compare analyzer signatures across index and query clients.
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---
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## Copy-paste prompt for your LLM step
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```
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You have TXT OS and the WFGY Problem Map loaded.
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My issue: diacritics and folding.
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* symptom: \[one line]
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* traces: ΔS(question,retrieved)=..., ΔS(retrieved,anchor)=..., λ states, citation offsets, locale=...
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Tell me:
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1. failing layer and why,
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2. the exact WFGY page to open,
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3. minimal steps to reach ΔS ≤ 0.45, coverage ≥ 0.70, and citation offset ≤ 4 tokens,
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4. a reproducible test using a 300-item accent set.
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Use Data Contracts, Retrieval Traceability, and Rerankers when relevant.
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```
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---
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### 🔗 Quick-Start Downloads (60 sec)
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| Tool | Link | 3-Step Setup |
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|------|------|--------------|
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| **WFGY 1.0 PDF** | [Engine Paper](https://github.com/onestardao/WFGY/blob/main/I_am_not_lizardman/WFGY_All_Principles_Return_to_One_v1.0_PSBigBig_Public.pdf) | 1️⃣ Download · 2️⃣ Upload to your LLM · 3️⃣ Ask “Answer using WFGY + \<your question>” |
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| **TXT OS (plain-text OS)** | [TXTOS.txt](https://github.com/onestardao/WFGY/blob/main/OS/TXTOS.txt) | 1️⃣ Download · 2️⃣ Paste into any LLM chat · 3️⃣ Type “hello world” — OS boots instantly |
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---
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<!-- WFGY_FOOTER_START -->
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### Explore More
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| Layer | Page | What it’s for |
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| --- | --- | --- |
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| ⭐ Proof | [WFGY Recognition Map](/recognition/README.md) | External citations, integrations, and ecosystem proof |
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| ⚙️ Engine | [WFGY 1.0](/legacy/README.md) | Original PDF tension engine and early logic sketch (legacy reference) |
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| ⚙️ Engine | [WFGY 2.0](/core/README.md) | Production tension kernel for RAG and agent systems |
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| ⚙️ Engine | [WFGY 3.0](/TensionUniverse/EventHorizon/README.md) | TXT based Singularity tension engine (131 S class set) |
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| 🗺️ Map | [Problem Map 1.0](/ProblemMap/README.md) | Flagship 16 problem RAG failure taxonomy and fix map |
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| 🗺️ Map | [Problem Map 2.0](/ProblemMap/wfgy-rag-16-problem-map-global-debug-card.md) | Global Debug Card for RAG and agent pipeline diagnosis |
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| 🗺️ Map | [Problem Map 3.0](/ProblemMap/wfgy-ai-problem-map-troubleshooting-atlas.md) | Global AI troubleshooting atlas and failure pattern map |
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| 🧰 App | [TXT OS](/OS/README.md) | .txt semantic OS with fast bootstrap |
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| 🧰 App | [Blah Blah Blah](/OS/BlahBlahBlah/README.md) | Abstract and paradox Q&A built on TXT OS |
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| 🧰 App | [Blur Blur Blur](/OS/BlurBlurBlur/README.md) | Text to image generation with semantic control |
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| 🏡 Onboarding | [Starter Village](/StarterVillage/README.md) | Guided entry point for new users |
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If this repository helped, starring it improves discovery so more builders can find the docs and tools.
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[](https://github.com/onestardao/WFGY)
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<!-- WFGY_FOOTER_END -->
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