From e0af8560c8116d77d4203ee5c887df7c4ab2d040 Mon Sep 17 00:00:00 2001
From: Patrick Brosset <patrick.brosset@microsoft.com>
Date: Wed, 29 Jan 2025 14:55:55 +0100
Subject: [PATCH 1/3] New app title feature

---
 features/application-title.yml | 9 +++++++++
 1 file changed, 9 insertions(+)
 create mode 100644 features/application-title.yml

diff --git a/features/application-title.yml b/features/application-title.yml
new file mode 100644
index 00000000000..df66b3d29f2
--- /dev/null
+++ b/features/application-title.yml
@@ -0,0 +1,9 @@
+name: application-title
+description: The `application-title` metadata name, used as `<meta name="application-title" content="">`, sets the text content that appears in the title bar of an installed web application.
+# No spec yet. Inclusion in the HTML spec depends on multi-vendor implementation.
+# See https://github.com/whatwg/html/issues/8909
+# So, for now, the Edge explainer is the closest thing to a spec.
+spec: https://github.com/MicrosoftEdge/MSEdgeExplainers/blob/main/DocumentSubtitle/explainer.md
+group: progressive-web-app
+compat_features:
+  - html.elements.meta.name.application-title

From 286026383dc711e36d99afaa3ef221b298c51d7c Mon Sep 17 00:00:00 2001
From: Patrick Brosset <patrick.brosset@microsoft.com>
Date: Mon, 17 Feb 2025 15:09:40 +0100
Subject: [PATCH 2/3] Add spec exemption and gen dist

---
 features/application-title.yml.dist | 8 ++++++++
 scripts/specs.ts                    | 4 ++++
 2 files changed, 12 insertions(+)
 create mode 100644 features/application-title.yml.dist

diff --git a/features/application-title.yml.dist b/features/application-title.yml.dist
new file mode 100644
index 00000000000..9ea63e4ea57
--- /dev/null
+++ b/features/application-title.yml.dist
@@ -0,0 +1,8 @@
+# Generated from: application-title.yml
+# Do not edit this file by hand. Edit the source file instead!
+
+status:
+  baseline: false
+  support: {}
+compat_features:
+  - html.elements.meta.name.application-title
diff --git a/scripts/specs.ts b/scripts/specs.ts
index ce365f31370..1f86117dd61 100644
--- a/scripts/specs.ts
+++ b/scripts/specs.ts
@@ -108,6 +108,10 @@ const defaultAllowlist: allowlistItem[] = [
     [
         "https://www.w3.org/TR/DOM-Level-2-Style/",
         "Allowed because the css-object-model-discouraged feature points to it."
+    ],
+    [
+        "https://github.com/MicrosoftEdge/MSEdgeExplainers/blob/main/DocumentSubtitle/explainer.md",
+        "Allowed because this is where the application-title meta tag is spec'd at the moment. Remove when https://github.com/whatwg/html/issues/8909 is fixed."
     ]
 ];
 

From 677fe725f629ee0be2fc3c90ad73a8636c5a68a3 Mon Sep 17 00:00:00 2001
From: Patrick Brosset <patrick.brosset@microsoft.com>
Date: Thu, 27 Feb 2025 14:28:48 +0100
Subject: [PATCH 3/3] addressed review comments

---
 .../{application-title.yml => meta-application-title.yml}     | 4 ++--
 ...ication-title.yml.dist => meta-application-title.yml.dist} | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)
 rename features/{application-title.yml => meta-application-title.yml} (64%)
 rename features/{application-title.yml.dist => meta-application-title.yml.dist} (78%)

diff --git a/features/application-title.yml b/features/meta-application-title.yml
similarity index 64%
rename from features/application-title.yml
rename to features/meta-application-title.yml
index df66b3d29f2..bb8c602cb54 100644
--- a/features/application-title.yml
+++ b/features/meta-application-title.yml
@@ -1,5 +1,5 @@
-name: application-title
-description: The `application-title` metadata name, used as `<meta name="application-title" content="">`, sets the text content that appears in the title bar of an installed web application.
+name: '<meta name="application-title">'
+description: The `name="application-title"` attribute for the `<meta>` HTML element sets an installed web application's title bar text.
 # No spec yet. Inclusion in the HTML spec depends on multi-vendor implementation.
 # See https://github.com/whatwg/html/issues/8909
 # So, for now, the Edge explainer is the closest thing to a spec.
diff --git a/features/application-title.yml.dist b/features/meta-application-title.yml.dist
similarity index 78%
rename from features/application-title.yml.dist
rename to features/meta-application-title.yml.dist
index 9ea63e4ea57..f47580c262d 100644
--- a/features/application-title.yml.dist
+++ b/features/meta-application-title.yml.dist
@@ -1,4 +1,4 @@
-# Generated from: application-title.yml
+# Generated from: meta-application-title.yml
 # Do not edit this file by hand. Edit the source file instead!
 
 status: