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   2      "$schema": "https://schemas.wp.org/trunk/block.json",
   3      "apiVersion": 3,
   4      "name": "core/heading",
   5      "title": "Heading",
   6      "category": "text",
   7      "description": "Introduce new sections and organize content to help visitors (and search engines) understand the structure of your content.",
   8      "keywords": [ "title", "subtitle" ],
   9      "textdomain": "default",
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  17              "selector": "h1,h2,h3,h4,h5,h6",
  18              "__experimentalRole": "content"
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  28      "supports": {
  29          "align": [ "wide", "full" ],
  30          "anchor": true,
  31          "className": true,
  32          "color": {
  33              "gradients": true,
  34              "link": true,
  35              "__experimentalDefaultControls": {
  36                  "background": true,
  37                  "text": true
  38              }
  39          },
  40          "spacing": {
  41              "margin": true,
  42              "padding": true,
  43              "__experimentalDefaultControls": {
  44                  "margin": false,
  45                  "padding": false
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  48          "typography": {
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  51              "__experimentalFontFamily": true,
  52              "__experimentalFontStyle": true,
  53              "__experimentalFontWeight": true,
  54              "__experimentalLetterSpacing": true,
  55              "__experimentalTextTransform": true,
  56              "__experimentalTextDecoration": true,
  57              "__experimentalWritingMode": true,
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  63          "__experimentalSlashInserter": true,
  64          "interactivity": {
  65              "clientNavigation": true
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  68      "editorStyle": "wp-block-heading-editor",
  69      "style": "wp-block-heading"
  70  }