{
  "title": "Japanese Prefectures",
  "authors": [
    "Lincun",
    "Geolonia and contributors"
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  "originalMapUrl": "https://commons.wikimedia.org/wiki/File:Japan_Map_Lincun.svg",
  "license": "GNU Free Documentation License 1.3",
  "licenseUrl": "https://www.gnu.org/licenses/fdl-1.3.html",
  "modifiedBy": "MICDEX",
  "modifiedDate": "2026-09-24",
  "modifications": [
    "Flattened nested SVG transforms into absolute coordinates",
    "Rounded coordinates to 0.1 SVG units",
    "Normalized prefecture names and two-digit codes",
    "Removed decorative boundary lines and presentation attributes",
    "Exported per-prefecture paths as TypeScript and transparent SVG"
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