Fix #79768

extensions/css-language-features/package.json

@@ -533,6 +533,17 @@
             ],
             "default": "ignore",
             "description": "%scss.lint.idSelector.desc%"
+          },
+          "scss.lint.unknownAtRules": {
+            "type": "string",
+            "scope": "resource",
+            "enum": [
+              "ignore",
+              "warning",
+              "error"
+            ],
+            "default": "warning",
+            "description": "%scss.lint.unknownAtRules.desc%"
           }
         }
       },
@@ -767,6 +778,17 @@
             ],
             "default": "ignore",
             "description": "%less.lint.idSelector.desc%"
+          },
+          "less.lint.unknownAtRules": {
+            "type": "string",
+            "scope": "resource",
+            "enum": [
+              "ignore",
+              "warning",
+              "error"
+            ],
+            "default": "warning",
+            "description": "%less.lint.unknownAtRules.desc%"
           }
         }
       }

extensions/css-language-features/package.nls.json

@@ -45,6 +45,7 @@
 	"less.lint.importStatement.desc": "Import statements do not load in parallel.",
 	"less.lint.propertyIgnoredDueToDisplay.desc": "Property is ignored due to the display. E.g. with `display: inline`, the `width`, `height`, `margin-top`, `margin-bottom`, and `float` properties have no effect.",
 	"less.lint.universalSelector.desc": "The universal selector (`*`) is known to be slow.",
+	"less.lint.unknownAtRules.desc": "Unknown at-rule.",
 	"less.lint.unknownProperties.desc": "Unknown property.",
 	"less.lint.validProperties.desc": "A list of properties that are not validated against the `unknownProperties` rule.",
 	"less.lint.unknownVendorSpecificProperties.desc": "Unknown vendor specific property.",
@@ -69,6 +70,7 @@
 	"scss.lint.importStatement.desc": "Import statements do not load in parallel.",
 	"scss.lint.propertyIgnoredDueToDisplay.desc": "Property is ignored due to the display. E.g. with `display: inline`, the `width`, `height`, `margin-top`, `margin-bottom`, and `float` properties have no effect.",
 	"scss.lint.universalSelector.desc": "The universal selector (`*`) is known to be slow.",
+	"scss.lint.unknownAtRules.desc": "Unknown at-rule.",
 	"scss.lint.unknownProperties.desc": "Unknown property.",
 	"scss.lint.validProperties.desc": "A list of properties that are not validated against the `unknownProperties` rule.",
 	"scss.lint.unknownVendorSpecificProperties.desc": "Unknown vendor specific property.",