Add more keys to text-box (#2611)

Author: ddbeck

features/text-box.yml

@@ -13,3 +13,8 @@ compat_features:
   - css.properties.text-box-trim.trim-end
   - css.properties.text-box-trim.trim-start
   - css.properties.text-box.normal
+  - css.types.text-edge
+  - css.types.text-edge.alphabetic
+  - css.types.text-edge.cap
+  - css.types.text-edge.ex
+  - css.types.text-edge.text

features/text-box.yml.dist

@@ -19,3 +19,8 @@ compat_features:
   - css.properties.text-box-trim.trim-end
   - css.properties.text-box-trim.trim-start
   - css.properties.text-box.normal
+  - css.types.text-edge
+  - css.types.text-edge.alphabetic
+  - css.types.text-edge.cap
+  - css.types.text-edge.ex
+  - css.types.text-edge.text