Update of TR report from new reffy run

Using reffy commit 12.1.0.

tr/css/css-animations-2.json

@@ -0,0 +1,89 @@
+{
+  "spec": {
+    "title": "CSS Animations Level 2",
+    "url": "https://www.w3.org/TR/css-animations-2/"
+  },
+  "properties": [
+    {
+      "name": "animation-composition",
+      "value": "<single-animation-composition>#",
+      "initial": "replace",
+      "appliesTo": "all elements",
+      "inherited": "no",
+      "percentages": "N/A",
+      "computedValue": "list, each item a keyword as specified",
+      "canonicalOrder": "per grammar",
+      "animationType": "not animatable",
+      "styleDeclaration": [
+        "animation-composition",
+        "animationComposition"
+      ]
+    },
+    {
+      "name": "animation-timeline",
+      "value": "<single-animation-timeline>#",
+      "initial": "auto",
+      "appliesTo": "all elements",
+      "inherited": "no",
+      "percentages": "N/A",
+      "computedValue": "list, each item either a case-sensitive css identifier or the keywords none, auto.",
+      "canonicalOrder": "per grammar",
+      "animationType": "not animatable",
+      "styleDeclaration": [
+        "animation-timeline",
+        "animationTimeline"
+      ]
+    }
+  ],
+  "atrules": [],
+  "selectors": [],
+  "values": [
+    {
+      "name": "<single-animation-composition>",
+      "value": "replace | add | accumulate",
+      "type": "type"
+    },
+    {
+      "name": "<single-animation-timeline>",
+      "type": "type",
+      "value": "auto | none | <custom-ident> | <scroll()> | <view()>",
+      "values": [
+        {
+          "name": "auto",
+          "prose": "The animation’s timeline is a DocumentTimeline, more specifically the default document timeline.",
+          "type": "value",
+          "value": "auto"
+        },
+        {
+          "name": "none",
+          "prose": "The animation is not associated with a timeline.",
+          "type": "value",
+          "value": "none"
+        },
+        {
+          "name": "<custom-ident>",
+          "prose": "If a named scroll progress timeline or view progress timeline is in scope on this element, use the referenced timeline as defined in Scroll-linked Animations § 4 Named Timeline Scoping. Otherwise the animation is not associated with a timeline.",
+          "type": "value",
+          "value": "<custom-ident>"
+        },
+        {
+          "name": "<scroll()>",
+          "prose": "Use the scroll progress timeline indicated by the given scroll() function. See Scroll-linked Animations § 2.1.1 The scroll() notation.",
+          "type": "value",
+          "value": "<scroll()>"
+        },
+        {
+          "name": "<view()>",
+          "prose": "Use the view progress timeline indicated by the given view() function. See Scroll-linked Animations § 3.2.1 The view() notation.",
+          "type": "value",
+          "value": "<view()>"
+        }
+      ]
+    },
+    {
+      "name": "<single-animation>",
+      "value": "<time> || <easing-function> || <time> || <single-animation-iteration-count> || <single-animation-direction> || <single-animation-fill-mode> || <single-animation-play-state> || [ none | <keyframes-name> ] || <single-animation-timeline>",
+      "type": "type"
+    }
+  ]
+}