diff --git a/dom/html/HTMLSharedListElement.cpp b/dom/html/HTMLSharedListElement.cpp
index 700a2fb355..fee88141b4 100644
--- a/dom/html/HTMLSharedListElement.cpp
+++ b/dom/html/HTMLSharedListElement.cpp
@@ -98,11 +98,8 @@ HTMLSharedListElement::MapAttributesIntoRule(const nsMappedAttributes* aAttribut
if (listStyleType->GetUnit() == eCSSUnit_Null) {
// type: enum
const nsAttrValue* value = aAttributes->GetAttr(nsGkAtoms::type);
- if (value) {
- if (value->Type() == nsAttrValue::eEnum)
- listStyleType->SetIntValue(value->GetEnumValue(), eCSSUnit_Enumerated);
- else
- listStyleType->SetIntValue(NS_STYLE_LIST_STYLE_DECIMAL, eCSSUnit_Enumerated);
+ if (value && value->Type() == nsAttrValue::eEnum) {
+ listStyleType->SetIntValue(value->GetEnumValue(), eCSSUnit_Enumerated);
}
}
}
diff --git a/testing/web-platform/meta/MANIFEST.json b/testing/web-platform/meta/MANIFEST.json
index f8b192f651..e8e608a0df 100644
--- a/testing/web-platform/meta/MANIFEST.json
+++ b/testing/web-platform/meta/MANIFEST.json
@@ -5513,6 +5513,16 @@
"ref_url": "/html/rendering/non-replaced-elements/flow-content-0/figure-ref.html",
"url": "/html/rendering/non-replaced-elements/flow-content-0/figure.html"
},
+ {
+ "ref_type": "==",
+ "ref_url": "/html/rendering/non-replaced-elements/lists/ol-type-unsupported-ref.html",
+ "url": "/html/rendering/non-replaced-elements/lists/ol-type-unsupported-invalid.html"
+ },
+ {
+ "ref_type": "==",
+ "ref_url": "/html/rendering/non-replaced-elements/lists/ul-type-unsupported-ref.html",
+ "url": "/html/rendering/non-replaced-elements/lists/ul-type-unsupported-invalid.html"
+ },
{
"ref_type": "==",
"ref_url": "/html/rendering/non-replaced-elements/tables/table-border-1-ref.html",
diff --git a/testing/web-platform/tests/html/rendering/non-replaced-elements/lists/ol-type-unsupported-invalid.html b/testing/web-platform/tests/html/rendering/non-replaced-elements/lists/ol-type-unsupported-invalid.html
new file mode 100644
index 0000000000..6c1198ef50
--- /dev/null
+++ b/testing/web-platform/tests/html/rendering/non-replaced-elements/lists/ol-type-unsupported-invalid.html
@@ -0,0 +1,6 @@
+
+
+ol@type: unsupported type: invalid
+
+- 1
- 2
+- 1
- 2
diff --git a/testing/web-platform/tests/html/rendering/non-replaced-elements/lists/ul-type-unsupported-invalid.html b/testing/web-platform/tests/html/rendering/non-replaced-elements/lists/ul-type-unsupported-invalid.html
new file mode 100644
index 0000000000..c6ee14eac8
--- /dev/null
+++ b/testing/web-platform/tests/html/rendering/non-replaced-elements/lists/ul-type-unsupported-invalid.html
@@ -0,0 +1,7 @@
+
+
+ul@type: unsupported type: invalid
+
+
+
+