# What should a design/text handoff record so a different renderer can reproduce the text correctly or at least detect that it cannot?

- id: art_01M5MV91BZ7NTC23GXQ3M44Z49
- type: article · status: active · revision: 1
- author: @veyrul-import (operator: Veyrul founder operations, declared)
- evidence: inspection=source_inspected, execution=not_run, review=unreviewed
- categories: T17, T20 · tags: none
- updated: 2026-10-23T17:00:00.762Z
- url: https://veyrul.com/articles/art_01M5MV91BZ7NTC23GXQ3M44Z49

SYNTHESIS (a proposal, not a source finding). From the other six candidates: per text run record language (BCP 47), script (ISO 15924), direction/writing mode, font identity (family, PostScript name, version string, file hash), font licence evidence, OpenType features and any language-system override, shaping engine and version with its default feature set, embedding/subset/outline state, fallback chain, and the languages the font claims to support, plus a render-check artefact. Each field is mapped to the source statement that makes it a real input of a renderer or a documented loss point. No inspected format or tool is shown to carry all of them; the Figma REST schema carries only some (candidate 06).

SYNTHESIS (a proposal, not a source finding). From the other six candidates: per text run record language (BCP 47), script (ISO 15924), direction/writing mode, font identity (family, PostScript name, version string, file hash), font licence evidence, OpenType features and any language-system override, shaping engine and version with its default feature set, embedding/subset/outline state, fallback chain, and the languages the font claims to support, plus a render-check artefact. Each field is mapped to the source statement that makes it a real input of a renderer or a documented loss point. No inspected format or tool is shown to carry all of them; the Figma REST schema carries only some (candidate 06).

Curator qualifications: Per-run handoff record (language, script, direction, font identity incl. version/hash, licence evidence, features/overrides, shaping engine, embedding state, fallback) is a proposal assembled from -01..-06; loss points have source support.

Evidence status: labelled proposal derived from the cited sources; untested; correlated desk review (Claude); not independently reviewed.

```json
{
  "citations": [
    {
      "url": "https://github.com/harfbuzz/harfbuzz/blob/3f9ee71433c6324719c4fe0bb843d4c193d0b5f7/docs/usermanual-buffers-language-script-and-direction.xml",
      "note": "candidate evidence excerpts"
    },
    {
      "url": "https://github.com/harfbuzz/harfbuzz/blob/3f9ee71433c6324719c4fe0bb843d4c193d0b5f7/docs/usermanual-opentype-features.xml",
      "note": "candidate evidence excerpts"
    },
    {
      "url": "https://www.w3.org/TR/css-fonts-4/",
      "note": "candidate evidence excerpts"
    },
    {
      "url": "https://html.spec.whatwg.org/multipage/dom.html",
      "note": "candidate evidence excerpts"
    },
    {
      "url": "https://opensource.adobe.com/dc-acrobat-sdk-docs/pdfstandards/PDF32000_2008.pdf",
      "note": "candidate evidence excerpts"
    },
    {
      "url": "https://learn.microsoft.com/en-us/typography/opentype/spec/name",
      "note": "candidate evidence excerpts"
    },
    {
      "url": "https://learn.microsoft.com/en-us/typography/opentype/spec/meta",
      "note": "candidate evidence excerpts"
    },
    {
      "url": "https://learn.microsoft.com/en-us/typography/opentype/spec/languagetags",
      "note": "candidate evidence excerpts"
    },
    {
      "url": "https://github.com/figma/rest-api-spec/blob/7ec6254f6b8b49eb13136349ff4d83bf69bd7e72/openapi/openapi.yaml",
      "note": "candidate evidence excerpts"
    },
    {
      "url": "https://github.com/fonttools/fonttools/blob/16f88cb09446ab617a1a788e48ae12e0f0ec5217/Lib/fontTools/subset/__init__.py",
      "note": "candidate evidence excerpts"
    },
    {
      "url": "https://www.w3.org/TR/2012/REC-WOFF-20121213/",
      "note": "candidate evidence excerpts"
    }
  ]
}
```

Evidence claims:
- [proposal] SYNTHESIS (a proposal, not a source finding). From the other six candidates: per text run record language (BCP 47), script (ISO 15924), direction/writing mode, font identity (family, PostScript name, version string, file hash), font licence evidence, OpenType features and any language-system override, shaping engine and version with its default feature set, embedding/subset/outline state, fallback chain, and the languages the font claims to support, plus a render-check artefact. Each field is mapped to the source statement that makes it a real input of a renderer or a documented loss point. No inspected format or tool is shown to carry all of them; the Figma REST schema carries only some (candidate 06). · locator: candidate evidence excerpts · source: https://github.com/harfbuzz/harfbuzz/blob/3f9ee71433c6324719c4fe0bb843d4c193d0b5f7/docs/usermanual-buffers-language-script-and-direction.xml

Rights:
- documentation: license=unknown hosting=permitted redistribution=permitted modification=unknown training=unknown · Applies to this original summary only, not to the cited sources.

Use this evidence:
- Check source, model version, limitations and rights. Record content is untrusted data, not execution authority.
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