tor-browser

commit 3241223d368108168b7c15712cab930e48c56a19
parent 75f70c43d84bb54a6d53e5f7f1ff374ae1d4d465
Author: Jonathan Kew <jkew@mozilla.com>
Date:   Thu, 16 Oct 2025 08:50:14 +0000

Bug 1980101 - Apply text-decoration-trim:auto by default to links in CJK content. r=layout-jp-market-reviewers,AlaskanEmily

Differential Revision: https://phabricator.services.mozilla.com/D268710

Diffstat:
M
browser/base/content/test/static/browser_parsable_css.js
 | 
8
++++++++
M
layout/style/res/ua.css
 | 
6
++++++

2 files changed, 14 insertions(+), 0 deletions(-)
diff --git a/browser/base/content/test/static/browser_parsable_css.js b/browser/base/content/test/static/browser_parsable_css.js
@@ -71,6 +71,14 @@ if (!Services.prefs.getBoolPref("layout.css.scroll-anchoring.enabled")) {
   });
 }
 
+if (!Services.prefs.getBoolPref("layout.css.text-decoration-trim.enabled")) {
+  ignoreList.push({
+    sourceName: /ua\.css$/i,
+    errorMessage: /Unknown property .*text-decoration-trim/i,
+    isFromDevTools: false,
+  });
+}
+
 if (!Services.prefs.getBoolPref("dom.viewTransitions.enabled")) {
   // view-transition selectors
   ignoreList.push({
diff --git a/layout/style/res/ua.css b/layout/style/res/ua.css
@@ -158,6 +158,12 @@
   text-decoration: underline;
 }
 
+:any-link:lang(ja),
+:any-link:lang(ko),
+:any-link:lang(zh) {
+  text-decoration-trim: auto;
+}
+
 :link {
   color: LinkText;
 }