Fix WebP standard-track exceptions

Author: caugner

lint/common/standard-track-exceptions.txt

@@ -137,10 +137,6 @@ javascript.statements.import.service_worker_support
 javascript.statements.import.worker_support
 javascript.statements.import.worklet_support
 javascript.statements.try_catch.optional_catch_binding
-mediatypes.image.webp.alpha
-mediatypes.image.webp.animation
-mediatypes.image.webp.lossless
-mediatypes.image.webp.lossy
 svg.elements.a.referrerpolicy.no-referrer-when-downgrade
 svg.elements.a.referrerpolicy.origin-when-cross-origin
 svg.elements.a.referrerpolicy.unsafe-url

mediatypes/image/webp.json

@@ -46,6 +46,7 @@
         "alpha": {
           "__compat": {
             "description": "Alpha transparency",
+            "spec_url": "https://developers.google.com/speed/webp/docs/riff_container#alpha",
             "tags": [
               "web-features:webp"
             ],
@@ -83,6 +84,7 @@
         "animation": {
           "__compat": {
             "description": "Animation support",
+            "spec_url": "https://developers.google.com/speed/webp/docs/riff_container#animation",
             "tags": [
               "web-features:webp"
             ],
@@ -118,6 +120,7 @@
         "lossless": {
           "__compat": {
             "description": "Lossless compression",
+            "spec_url": "https://developers.google.com/speed/webp/docs/riff_container#simple_file_format_lossless",
             "tags": [
               "web-features:webp"
             ],
@@ -155,6 +158,7 @@
         "lossy": {
           "__compat": {
             "description": "Lossy compression",
+            "spec_url": "https://developers.google.com/speed/webp/docs/riff_container#simple_file_format_lossy",
             "tags": [
               "web-features:webp"
             ],