diff --git a/components/selectors/parser.rs b/components/selectors/parser.rs
index 88ee70bde25..6be95b5d018 100644
--- a/components/selectors/parser.rs
+++ b/components/selectors/parser.rs
@@ -1365,6 +1365,9 @@ where
{
let namespace;
let local_name;
+
+ input.skip_whitespace();
+
match parse_qualified_name(parser, input, /* in_attr_selector = */ true)? {
OptionalQName::None(t) => {
return Err(input.new_custom_error(
diff --git a/tests/wpt/metadata/MANIFEST.json b/tests/wpt/metadata/MANIFEST.json
index e7636c5440d..363461b3a52 100644
--- a/tests/wpt/metadata/MANIFEST.json
+++ b/tests/wpt/metadata/MANIFEST.json
@@ -156085,6 +156085,18 @@
{}
]
],
+ "css/selectors/selectors-attr-white-space-001.html": [
+ [
+ "/css/selectors/selectors-attr-white-space-001.html",
+ [
+ [
+ "/css/selectors/selectors-attr-white-space-001-ref.html",
+ "=="
+ ]
+ ],
+ {}
+ ]
+ ],
"css/selectors/selectors-dir-selector-ltr-001.html": [
[
"/css/selectors/selectors-dir-selector-ltr-001.html",
@@ -255927,6 +255939,11 @@
{}
]
],
+ "css/selectors/selectors-attr-white-space-001-ref.html": [
+ [
+ {}
+ ]
+ ],
"css/selectors/selectors-empty-001-ref.xml": [
[
{}
@@ -514302,6 +514319,14 @@
"601b8b8426c64717f82831e6258f8fe4188c797c",
"reftest"
],
+ "css/selectors/selectors-attr-white-space-001-ref.html": [
+ "0b790e2cb7a6ca66c7e6c8f769b61e3197f372fb",
+ "support"
+ ],
+ "css/selectors/selectors-attr-white-space-001.html": [
+ "23c9560d06ddff28e5a1f43a10347a5e46377847",
+ "reftest"
+ ],
"css/selectors/selectors-dir-selector-ltr-001.html": [
"3682f8a499ad2a1348f620b33b83944c0dc90788",
"reftest"
diff --git a/tests/wpt/web-platform-tests/css/selectors/selectors-attr-white-space-001-ref.html b/tests/wpt/web-platform-tests/css/selectors/selectors-attr-white-space-001-ref.html
new file mode 100644
index 00000000000..3b768b36a50
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/selectors/selectors-attr-white-space-001-ref.html
@@ -0,0 +1,11 @@
+
+
+Selectors: White space in attribute selectors (reference)
+
+
+This text should be green.
+This text should be green.
+This text should be green.
+This text should be green.
diff --git a/tests/wpt/web-platform-tests/css/selectors/selectors-attr-white-space-001.html b/tests/wpt/web-platform-tests/css/selectors/selectors-attr-white-space-001.html
new file mode 100644
index 00000000000..62df884cf45
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/selectors/selectors-attr-white-space-001.html
@@ -0,0 +1,19 @@
+
+
+Selectors: White space in attribute selectors
+
+
+
+
+
+This text should be green.
+This text should be green.
+This text should be green.
+This text should be green.