Basic docs for "formatted"

src/style-spec/reference/v8.json

@@ -1505,7 +1505,7 @@
       "property-type": "data-constant"
     },
     "text-field": {
-      "type": "string",
+      "type": "string | formatted",
       "default": "",
       "tokens": true,
       "doc": "Value to use for a text label.",
@@ -2506,7 +2506,7 @@
         }
       },
       "formatted": {
-        "doc": "Formatted text.",
+        "doc": "Returns `formatted` text containing annotations for use in mixed-format `text-field` entries. If set, the `text-font` argument overrides the font specified by the root layout properties. If set, the `font-scale` argument specifies a scaling factor relative to the `text-size` specified in the root layout properties.",
         "group": "Types",
         "sdk-support": {
           "basic functionality": {
@@ -3108,7 +3108,7 @@
         }
       },
       "concat": {
-        "doc": "Returns a string consisting of the concatenation of the inputs.",
+        "doc": "Returns a `string` consisting of the concatenation of the inputs. If any inputs are `formatted`, returns a `formatted` with default formatting options for all unformatted inputs.",
         "group": "String",
         "sdk-support": {
           "basic functionality": {