{
  "#baseline-definition": {
    "current": {
      "number": "2.2", 
      "spec": "Font Metrics API 1", 
      "text": "Baseline object", 
      "url": "https://drafts.css-houdini.org/font-metrics-api-1/#baseline-definition"
    }
  }, 
  "#font-definition": {
    "current": {
      "number": "2.3", 
      "spec": "Font Metrics API 1", 
      "text": "Font object", 
      "url": "https://drafts.css-houdini.org/font-metrics-api-1/#font-definition"
    }
  }, 
  "#fontmetrics-definition": {
    "current": {
      "number": "2.1", 
      "spec": "Font Metrics API 1", 
      "text": "FontMetrics object", 
      "url": "https://drafts.css-houdini.org/font-metrics-api-1/#fontmetrics-definition"
    }
  }, 
  "#intro": {
    "current": {
      "number": "1", 
      "spec": "Font Metrics API 1", 
      "text": "Introduction", 
      "url": "https://drafts.css-houdini.org/font-metrics-api-1/#intro"
    }
  }, 
  "#measure-api": {
    "current": {
      "number": "2", 
      "spec": "Font Metrics API 1", 
      "text": "Measure API", 
      "url": "https://drafts.css-houdini.org/font-metrics-api-1/#measure-api"
    }
  }
}