Verify html[version] result by adding html[lang]

eps1lon · eps1lon · commit 3273bd118b1b · 2023-02-10T14:10:20.000+01:00
`version` is obsolete so I was hoping this result doesn't matter.
But `lang`  has the same behavior i.e. isn't added to the DOM on the client
diff --git a/fixtures/attribute-behavior/AttributeTableSnapshot.md b/fixtures/attribute-behavior/AttributeTableSnapshot.md
@@ -6198,6 +6198,31 @@
 | `lang=(null)`| (initial)| `<empty string>` |
 | `lang=(undefined)`| (initial)| `<empty string>` |
 
+## `lang` (on `<html>` inside `<document>`)
+| Test Case | Flags | Result |
+| --- | --- | --- |
+| `lang=(string)`| (initial, ssr mismatch)| `<undefined>` |
+| `lang=(empty string)`| (initial, ssr mismatch)| `<undefined>` |
+| `lang=(array with string)`| (initial, ssr mismatch)| `<undefined>` |
+| `lang=(empty array)`| (initial, ssr mismatch)| `<undefined>` |
+| `lang=(object)`| (initial, ssr mismatch)| `<undefined>` |
+| `lang=(numeric string)`| (initial, ssr mismatch)| `<undefined>` |
+| `lang=(-1)`| (initial, ssr mismatch)| `<undefined>` |
+| `lang=(0)`| (initial, ssr mismatch)| `<undefined>` |
+| `lang=(integer)`| (initial, ssr mismatch)| `<undefined>` |
+| `lang=(NaN)`| (initial, warning, ssr mismatch)| `<undefined>` |
+| `lang=(float)`| (initial, ssr mismatch)| `<undefined>` |
+| `lang=(true)`| (initial, warning, ssr mismatch)| `<undefined>` |
+| `lang=(false)`| (initial, warning, ssr mismatch)| `<undefined>` |
+| `lang=(string 'true')`| (initial, ssr mismatch)| `<undefined>` |
+| `lang=(string 'false')`| (initial, ssr mismatch)| `<undefined>` |
+| `lang=(string 'on')`| (initial, ssr mismatch)| `<undefined>` |
+| `lang=(string 'off')`| (initial, ssr mismatch)| `<undefined>` |
+| `lang=(symbol)`| (initial, warning, ssr mismatch)| `<undefined>` |
+| `lang=(function)`| (initial, warning, ssr mismatch)| `<undefined>` |
+| `lang=(null)`| (initial, ssr mismatch)| `<undefined>` |
+| `lang=(undefined)`| (initial, ssr mismatch)| `<undefined>` |
+
 ## `length` (on `<div>` inside `<div>`)
 | Test Case | Flags | Result |
 | --- | --- | --- |
diff --git a/fixtures/attribute-behavior/src/attributes.js b/fixtures/attribute-behavior/src/attributes.js
@@ -1086,6 +1086,7 @@ const attributes = [
   {name: 'label', tagName: 'track'},
   {name: 'LANG', read: getProperty('lang')},
   {name: 'lang'},
+  {name: 'lang', containerTagName: 'document', tagName: 'html'},
   {name: 'length', read: getAttribute('length')},
   {
     name: 'lengthAdjust',

Original file line number	Diff line number	Diff line change
`@@ -1086,6 +1086,7 @@ const attributes = [`
`1086`	`1086`	`{name: 'label', tagName: 'track'},`
`1087`	`1087`	`{name: 'LANG', read: getProperty('lang')},`
`1088`	`1088`	`{name: 'lang'},`
	`1089`	`+ {name: 'lang', containerTagName: 'document', tagName: 'html'},`
`1089`	`1090`	`{name: 'length', read: getAttribute('length')},`
`1090`	`1091`	`{`
`1091`	`1092`	`name: 'lengthAdjust',`