Refine ruby-position and display-ruby key selection

Fixes web-platform-dx#2634

Author: ddbeck

features/display-ruby.yml

@@ -10,3 +10,4 @@ compat_features:
   - css.properties.display.ruby-base-container
   - css.properties.display.ruby-text
   - css.properties.display.ruby-text-container
+  - css.properties.ruby-position.alternate

features/display-ruby.yml.dist

@@ -4,8 +4,8 @@
 status:
   baseline: false
   support:
-    firefox: "38"
-    firefox_android: "38"
+    firefox: "88"
+    firefox_android: "88"
 compat_features:
   # baseline: false
   # support:
@@ -16,11 +16,17 @@ compat_features:
   - css.properties.display.ruby
   - css.properties.display.ruby-text
 
-  # ⬇️ Same status as overall feature ⬇️
   # baseline: false
   # support:
   #   firefox: "38"
   #   firefox_android: "38"
   - css.properties.display.ruby-base
   - css.properties.display.ruby-base-container
   - css.properties.display.ruby-text-container
+
+  # ⬇️ Same status as overall feature ⬇️
+  # baseline: false
+  # support:
+  #   firefox: "88"
+  #   firefox_android: "88"
+  - css.properties.ruby-position.alternate

features/ruby-position.yml

@@ -3,10 +3,12 @@ description: The `ruby-position` CSS property sets the position of a ruby annota
 spec: https://drafts.csswg.org/css-ruby-1/#rubypos
 group: ruby
 status:
-  compute_from: css.properties.ruby-position
+  compute_from:
+    - css.properties.ruby-position
+    - css.properties.ruby-position.over
+    - css.properties.ruby-position.under
 compat_features:
   - css.properties.ruby-position
-  - css.properties.ruby-position.alternate
   - css.properties.ruby-position.inter-character
   - css.properties.ruby-position.over
   - css.properties.ruby-position.under

features/ruby-position.yml.dist

@@ -33,9 +33,3 @@ compat_features:
   #   safari: "18.2"
   #   safari_ios: "18.2"
   - css.properties.ruby-position.inter-character
-
-  # baseline: false
-  # support:
-  #   firefox: "88"
-  #   firefox_android: "88"
-  - css.properties.ruby-position.alternate