Update PageLayout docs around <main> usage (#3323)

* Update `PageLayout` docs around `<main>` usage * Update generated/components.json * Fix links --------- Co-authored-by: TylerJDev <TylerJDev@users.noreply.github.com>
Ashok4977 · May 25, 2023 · e1904b2 · e1904b2
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diff --git a/docs/content/PageLayout.mdx b/docs/content/PageLayout.mdx
@@ -241,14 +241,14 @@ navigation container is used for.
 
 ### With `aria-label`
 
-Using `aria-label` along with `PageLayout.Header`, `PageLayout.Content`, or `PageLayout.Footer` creates a unique label for that landmark role that can make it easier to navigate between sections of content on a page.
+Using `aria-label` along with `PageLayout.Header` or `PageLayout.Footer` creates a unique label for that landmark role that can make it easier to navigate between sections of content on a page.
 
 ```jsx live
 <PageLayout>
   <PageLayout.Header aria-label="header">
     <Placeholder label="Header" height={64} />
   </PageLayout.Header>
-  <PageLayout.Content aria-label="content">
+  <PageLayout.Content>
     <Placeholder label="Content" height={240} />
   </PageLayout.Content>
   <PageLayout.Pane>
@@ -262,15 +262,15 @@ Using `aria-label` along with `PageLayout.Header`, `PageLayout.Content`, or `Pag
 
 ### With `aria-labelledby`
 
-Using `aria-labelledby` along with `PageLayout.Header`, `PageLayout.Content`, or `PageLayout.Footer` creates a unique label for each landmark role by using the given `id` to associate the landmark with the content with the corresponding `id`. This is helpful when you have a visible item that visually communicates the type of content which you would like to associate to the landmark itself.
+Using `aria-labelledby` along with `PageLayout.Header` or `PageLayout.Footer` creates a unique label for each landmark role by using the given `id` to associate the landmark with the content with the corresponding `id`. This is helpful when you have a visible item that visually communicates the type of content which you would like to associate to the landmark itself.
 
 ```jsx live
 <PageLayout>
   <PageLayout.Header aria-labelledby="header-label">
     <Placeholder id="header-label" label="Header" height={64} />
   </PageLayout.Header>
-  <PageLayout.Content aria-labelledby="main-label">
-    <Placeholder id="main-label" label="Content" height={240} />
+  <PageLayout.Content>
+    <Placeholder label="Content" height={240} />
   </PageLayout.Content>
   <PageLayout.Pane>
     <Placeholder label="Pane" height={120} />
@@ -300,15 +300,35 @@ Using `aria-labelledby` along with `PageLayout.Header`, `PageLayout.Content`, or
 </PageLayout>
 ```
 
+### With `<main>` landmark
+
+```jsx live
+<PageLayout>
+  <PageLayout.Header>
+    <Placeholder label="Header" height={64} />
+  </PageLayout.Header>
+  <PageLayout.Content>
+    <main>
+      <Placeholder label="Content" height={240} />
+    </main>
+  </PageLayout.Content>
+  <PageLayout.Pane resizable>
+    <Placeholder label="Pane" height={120} />
+  </PageLayout.Pane>
+  <PageLayout.Footer>
+    <Placeholder label="Footer" height={64} />
+  </PageLayout.Footer>
+</PageLayout>
+```
+
 ## Accessibility
 
-The `PageLayout` component uses [landmark roles](https://developer.mozilla.org/en-US/docs/Web/Accessibility/ARIA/Roles/landmark_role) for `PageLayout.Header`, `PageLayout.Content`, and `PageLayout.Footer` in order to make it easier for screen reader users to navigate between sections of the page.
+The `PageLayout` component uses [landmark roles](https://developer.mozilla.org/en-US/docs/Web/Accessibility/ARIA/Roles/landmark_role) for `PageLayout.Header` and `PageLayout.Footer` in order to make it easier for screen reader users to navigate between sections of the page.
 
-| Component            | Landmark role                                                                                           |
-| :------------------- | :------------------------------------------------------------------------------------------------------ |
-| `PageLayout.Header`  | [`banner`](https://developer.mozilla.org/en-US/docs/Web/Accessibility/ARIA/Roles/banner_role)           |
-| `PageLayout.Content` | [`main`](https://developer.mozilla.org/en-US/docs/Web/Accessibility/ARIA/Roles/main_role)               |
-| `PageLayout.Footer`  | [`contentinfo`](https://developer.mozilla.org/en-US/docs/Web/Accessibility/ARIA/Roles/contentinfo_role) |
+| Component           | Landmark role                                                                                           |
+| :------------------ | :------------------------------------------------------------------------------------------------------ |
+| `PageLayout.Header` | [`banner`](https://developer.mozilla.org/en-US/docs/Web/Accessibility/ARIA/Roles/banner_role)           |
+| `PageLayout.Footer` | [`contentinfo`](https://developer.mozilla.org/en-US/docs/Web/Accessibility/ARIA/Roles/contentinfo_role) |
 
 Each component may be labeled through either `aria-label` or `aria-labelledby` in order to provide a unique label for the landmark. This can be helpful when there are multiple landmarks of the same type on the page.
 
@@ -318,6 +338,14 @@ Each component may be labeled through either `aria-label` or `aria-labelledby` i
 - [WCAG, ARIA11 Technique](https://www.w3.org/WAI/WCAG22/Techniques/aria/ARIA11)
 - [MDN, Landmark roles](https://developer.mozilla.org/en-US/docs/Web/Accessibility/ARIA/Roles/landmark_role)
 
+### `PageLayout.Content`
+
+The `PageLayout.Content` component does not provide a default `<main>` landmark role.
+If you want to utilize a `<main>` landmark with this component, you may supply one directly [as a child of `PageLayout.Content`](#with-main-landmark).
+When using `<main>` ensure that no other `<main>` landmark exists on the page, as there should only be one per page.
+
+- [`main` usage](https://www.w3.org/WAI/ARIA/apg/patterns/landmarks/examples/main.html)
+
 ### `PageLayout.Pane`
 
 The `PageLayout.Pane` component does not provide a default landmark role as the

diff --git a/generated/components.json b/generated/components.json
@@ -2730,18 +2730,6 @@
         {
           "name": "PageLayout.Content",
           "props": [
-            {
-              "name": "aria-label",
-              "type": "string | undefined",
-              "defaultValue": "",
-              "description": "A unique label for the rendered main landmark"
-            },
-            {
-              "name": "aria-labelledby",
-              "type": "string | undefined",
-              "defaultValue": "",
-              "description": "An id to an element which uniquely labels the rendered main landmark"
-            },
             {
               "name": "width",
               "type": "| 'full' | 'medium' | 'large' | 'xlarge'",

diff --git a/src/PageLayout/PageLayout.docs.json b/src/PageLayout/PageLayout.docs.json
@@ -84,18 +84,6 @@
     {
       "name": "PageLayout.Content",
       "props": [
-        {
-          "name": "aria-label",
-          "type": "string | undefined",
-          "defaultValue": "",
-          "description": "A unique label for the rendered main landmark"
-        },
-        {
-          "name": "aria-labelledby",
-          "type": "string | undefined",
-          "defaultValue": "",
-          "description": "An id to an element which uniquely labels the rendered main landmark"
-        },
         {
           "name": "width",
           "type": "| 'full' | 'medium' | 'large' | 'xlarge'",