Merge branch 'trunk' into block/title-case

docs/explanations/architecture/key-concepts.md

@@ -65,6 +65,6 @@ More on [Site editing templates](/docs/explanations/architecture/full-site-editi
 
 ## Styles
 
-Styles, formerly known as Global Styles and as such referenced in the code, is both an interface that users access through the editor and a configuration system done through [a `theme.json` file](/docs/how-to-guides/themes/theme-json.md). This file absorbs most of the configuration aspects usually scattered through various `add_theme_support` calls to simplify communicating with the editor. It thus aims to improve declaring what settings should be enabled, what specific tools a theme offers (like a custom color palette), the available design tools present, and an infrastructure that allows to coordinate the styles coming from WordPress, the active theme, and the user.
+Styles, formerly known as Global Styles and as such referenced in the code, is both an interface that users access through the editor and a configuration system done through [a `theme.json` file](/docs/how-to-guides/themes/global-settings-and-styles.md). This file absorbs most of the configuration aspects usually scattered through various `add_theme_support` calls to simplify communicating with the editor. It thus aims to improve declaring what settings should be enabled, what specific tools a theme offers (like a custom color palette), the available design tools present, and an infrastructure that allows to coordinate the styles coming from WordPress, the active theme, and the user.
 
 Learn more about [Global Styles](/docs/explanations/architecture/styles.md#global-styles).

docs/explanations/architecture/styles.md

@@ -15,7 +15,7 @@ The final HTML document is the result of a few things:
 The stylesheets loaded in the front end include:
 
 -   **Blocks**. The stylesheets that come with the block. In the front end, you can find a single stylesheet with all block styles defined by WordPress (`wp-block-library-*` ) or separate stylesheets per block in use (as in `wp-block-group-*`, `wp-block-columns-*`, etc). See [this note](https://make.wordpress.org/core/2021/07/01/block-styles-loading-enhancements-in-wordpress-5-8/) for the full details.
--   **Global styles**. These styles are generated on the fly by using data coming from a theme.json file: see [note](https://make.wordpress.org/core/2021/06/25/introducing-theme-json-in-wordpress-5-8/), [reference](https://developer.wordpress.org/block-editor/reference-guides/theme-json-reference/), and [how to guide](https://developer.wordpress.org/block-editor/how-to-guides/themes/theme-json/). Specifically, it merges the contents of the theme.json from WordPress, the theme.json from the theme (if it has one), and the user data provided via the global styles sidebar in the site editor. The result of processing this data is an embedded stylesheet whose id is `global-styles-inline-css`.
+-   **Global styles**. These styles are generated on the fly by using data coming from a theme.json file: see [note](https://make.wordpress.org/core/2021/06/25/introducing-theme-json-in-wordpress-5-8/), [reference](https://developer.wordpress.org/block-editor/reference-guides/theme-json-reference/), and [how to guide](https://developer.wordpress.org/block-editor/how-to-guides/themes/global-settings-and-styles/). Specifically, it merges the contents of the theme.json from WordPress, the theme.json from the theme (if it has one), and the user data provided via the global styles sidebar in the site editor. The result of processing this data is an embedded stylesheet whose id is `global-styles-inline-css`.
 -   **Theme**. Historically, themes have enqueued their own stylesheets, where the id is based on the theme name, as in `twentytwentytwo-style-css`. In addition to having their own stylesheets they can now declare a theme.json file containing styles that will be part of the stylesheet generated by global styles.
 -   **User**. Some of the user actions in the editor will generate style content. This is the case for features such as duotone, layout, or link color.
 -   **Other**. WordPress and plugins can also enqueue stylesheets.
@@ -515,7 +515,7 @@ There are currently four layout types in use:
 -   Flex: Items are displayed using a Flexbox layout. Defaults to a horizontal orientation. Spacing between children is handled via the `gap` CSS property.
 -   Grid: Items are displayed using a Grid layout. Defaults to an `auto-fill` approach to column generation but can also be set to a fixed number of columns. Spacing between children is handled via the `gap` CSS property.
 
-For controlling spacing between blocks, and enabling block spacing controls see: [What is blockGap and how can I use it?](https://developer.wordpress.org/block-editor/how-to-guides/themes/theme-json/#what-is-blockgap-and-how-can-i-use-it).
+For controlling spacing between blocks, and enabling block spacing controls see: [What is blockGap and how can I use it?](https://developer.wordpress.org/block-editor/how-to-guides/themes/global-settings-and-styles/#what-is-blockgap-and-how-can-i-use-it).
 
 ### Targeting layout or container blocks from themes
 

docs/getting-started/glossary.md

@@ -70,7 +70,7 @@ This refers to a collection of features that ultimately allows users to edit the
 
 The CSS styles generated by WordPress and enqueued as an embedded stylesheet in the front end of the site. The stylesheet ID is `global-styles-inline-css`. The contents of this stylesheet come from the default `theme.json` of WordPress, the theme's `theme.json`, and the styles provided by the user via the global styles sidebar in the site editor.
 
-See [theme.json reference docs](/docs/reference-guides/theme-json-reference.md)</a>, the [how to guide](/docs/how-to-guides/themes/theme-json.md), and an introduction to [styles in the block editor](/docs/explanations/architecture/styles.md).
+See [theme.json reference docs](/docs/reference-guides/theme-json-reference.md)</a>, the [how to guide](/docs/how-to-guides/themes/global-settings-and-styles.md), and an introduction to [styles in the block editor](/docs/explanations/architecture/styles.md).
 
 Compare to <a href="#block-styles">block styles</a>.
 

docs/getting-started/tutorial.md

@@ -36,9 +36,9 @@ The first step in creating the Copyright Date Block is to scaffold the initial b
 	Review the <a href="https://developer.wordpress.org/block-editor/getting-started/devenv/get-started-with-wp-env/">Get started with create-block</a> documentation for an introduction to using this package.
 </div>
 
-You can use `create-block` from just about any directory on your computer and then use `wp-env` to create a local WordPress development environment with your new block plugin installed and activated.
+You can use `create-block` from just about any directory (folder) on your computer and then use `wp-env` to create a local WordPress development environment with your new block plugin installed and activated.
 
-Therefore, create a new directory (folder) on your computer called "Block Tutorial". Open your terminal and `cd` to this directory. Then run the following command.
+Therefore, choose a directory to place the block plugin or optionally create a new folder called "Block Tutorial". Open your terminal and `cd` to this directory. Then run the following command.
 
 <div class="callout callout-info">
 	If you are not using <code>wp-env</code>, instead, navigate to the <code>plugins/</code> folder in your local WordPress installation using the terminal and run the following command.
@@ -351,9 +351,10 @@ To enable this starting year functionality, you will need one attribute to store
 
 ### Updating block.json
 
-Block attributes are generally specified in the [`block.json`](https://developer.wordpress.org/block-editor/getting-started/fundamentals/block-json/#data-storage-in-the-block-with-attributes) file. So open up the file and add the following section after the `example` in line 9.
+Block attributes are generally specified in the [`block.json`](https://developer.wordpress.org/block-editor/getting-started/fundamentals/block-json/#data-storage-in-the-block-with-attributes) file. So open up the file and add the following section after the `example` property.
 
 ```json
+"example": {},
 "attributes": {
 	"showStartingYear": {
 		"type": "boolean"
@@ -483,7 +484,7 @@ export default function Edit( { attributes, setAttributes } ) {
 							'Starting year',
 							'copyright-date-block'
 						) }
-						value={ startingYear }
+						value={ startingYear || '' }
 						onChange={ ( value ) =>
 							setAttributes( { startingYear: value } )
 						}
@@ -496,6 +497,10 @@ export default function Edit( { attributes, setAttributes } ) {
 }
 ```
 
+<div class="callout callout-tip">
+	You may have noticed that the <code>value</code> property has a value of <code>startingYear || ''</code>. The symbol <code>||</code> is called the <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Logical_OR">Logical OR</a> (logical disjunction) operator. This prevents warnings in React when the <code>startingYear</code> is empty. See <a href="https://react.dev/learn/sharing-state-between-components#controlled-and-uncontrolled-components">Controlled and uncontrolled components</a> for details.
+</div>
+
 Save the file and refresh the Editor. Confirm that a text field now exists in the Settings panel. Add a starting year and confirm that when you update the page, the value is saved.
 
 ![A live look at editing the new Starting Year field in the Settings Sidebar](https://developer.wordpress.org/files/2023/12/block-tutorial-11.gif)
@@ -522,7 +527,7 @@ export default function Edit( { attributes, setAttributes } ) {
 			<InspectorControls>
 				<PanelBody title={ __( 'Settings', 'copyright-date-block' ) }>
 					<ToggleControl
-						checked={ showStartingYear }
+						checked={ !! showStartingYear }
 						label={ __(
 							'Show starting year',
 							'copyright-date-block'
@@ -539,7 +544,7 @@ export default function Edit( { attributes, setAttributes } ) {
 								'Starting year',
 								'copyright-date-block'
 							) }
-							value={ startingYear }
+							value={ startingYear || '' }
 							onChange={ ( value ) =>
 								setAttributes( { startingYear: value } )
 							}
@@ -601,7 +606,7 @@ export default function Edit( { attributes, setAttributes } ) {
 			<InspectorControls>
 				<PanelBody title={ __( 'Settings', 'copyright-date-block' ) }>
 					<ToggleControl
-						checked={ showStartingYear }
+						checked={ !! showStartingYear }
 						label={ __(
 							'Show starting year',
 							'copyright-date-block'
@@ -618,7 +623,7 @@ export default function Edit( { attributes, setAttributes } ) {
 								'Starting year',
 								'copyright-date-block'
 							) }
-							value={ startingYear }
+							value={ startingYear || '' }
 							onChange={ ( value ) =>
 								setAttributes( { startingYear: value } )
 							}

docs/how-to-guides/curating-the-editor-experience/disable-editor-functionality.md

@@ -1,4 +1,4 @@
-## Disable Editor functionality
+# Disable Editor functionality
 
 This page is dedicated to the many ways you can disable specific functionality in the Post Editor and Site Editor that are not covered in other areas of the curation documentation. 
 

docs/how-to-guides/curating-the-editor-experience/theme-json.md

@@ -159,7 +159,7 @@ Continuing the examples with duotone, this means you could allow full access to
 }
 ```
 
-You can read more about how best to [turn on/off options with theme.json here](/docs/how-to-guides/themes/theme-json.md). 
+You can read more about how best to [turn on/off options with theme.json here](/docs/how-to-guides/themes/global-settings-and-styles.md). 
 
 ### Disable inherit default layout
 

docs/how-to-guides/themes/README.md

@@ -6,7 +6,7 @@ The block editor provides a number of options for theme designers and developers
 
 ### Classic theme
 
-In terms of block editor terminology this is any theme that defines its templates in the traditional `.php` file format, and that doesn't have an `index.html` format template in the `/block-templates` or `/templates` folders. A `Classic` theme has the ability to provide configuration and styling options to the block editor, and block content, via [Theme Supports](/docs/how-to-guides/themes/theme-support.md), or by including a [theme.json](/docs/how-to-guides/themes/theme-json.md) file. A theme does not have to be a `Block` theme in order to take advantage of some of the flexibility provided by the use of a `theme.json` file.
+In terms of block editor terminology this is any theme that defines its templates in the traditional `.php` file format, and that doesn't have an `index.html` format template in the `/block-templates` or `/templates` folders. A `Classic` theme has the ability to provide configuration and styling options to the block editor, and block content, via [Theme Supports](/docs/how-to-guides/themes/theme-support.md), or by including a [theme.json](/docs/how-to-guides/themes/global-settings-and-styles.md) file. A theme does not have to be a `Block` theme in order to take advantage of some of the flexibility provided by the use of a `theme.json` file.
 
 ### Block theme
 
@@ -18,5 +18,5 @@ There isn't an FSE specific theme type. In WordPress > 5.9 FSE is enabled for an
 
 **Contents**
 
-- [Global Settings (theme.json)](/docs/how-to-guides/themes/theme-json.md)
+- [Global Settings (theme.json)](/docs/how-to-guides/themes/global-settings-and-styles.md)
 - [Theme Support](/docs/how-to-guides/themes/theme-support.md)

docs/how-to-guides/themes/theme-json.md → docs/how-to-guides/themes/global-settings-and-styles.md

@@ -2,32 +2,6 @@
 
 WordPress 5.8 comes with [a new mechanism](https://make.wordpress.org/core/2021/06/25/introducing-theme-json-in-wordpress-5-8/) to configure the editor that enables a finer-grained control and introduces the first step in managing styles for future WordPress releases: the `theme.json` file. Then `theme.json` [evolved to a v2](https://make.wordpress.org/core/2022/01/08/updates-for-settings-styles-and-theme-json/) with WordPress 5.9 release. This page documents its format.
 
-- Rationale
-    - Settings for the block editor
-    - Settings can be controlled per block
-    - Styles are managed
-    - CSS Custom Properties: presets & custom
-- Specification
-    - version
-    - settings
-        - Backward compatibility with add_theme_support
-        - Presets
-        - Custom
-        - Setting examples
-    - styles
-        - Top-level
-        - Block-level
-        - Elements
-        - Variations
-    - customTemplates
-    - templateParts
-    - patterns
-- FAQ
-    - The naming schema of CSS Custom Properties
-    - Why using -- as a separator?
-    - How settings under "custom" create new CSS Custom Properties
-    - Why does it take so long to update the styles in the browser?
-
 ## Rationale
 
 The Block Editor API has evolved at different velocities and there are some growing pains, specially in areas that affect themes. Examples of this are: the ability to [control the editor programmatically](https://make.wordpress.org/core/2020/01/23/controlling-the-block-editor/), or [a block style system](https://github.com/WordPress/gutenberg/issues/9534) that facilitates user, theme, and core style preferences.

docs/how-to-guides/themes/theme-support.md

@@ -315,7 +315,7 @@ Themes can opt out of generated block layout styles that provide default structu
 add_theme_support( 'disable-layout-styles' );
 ```
 
-For themes looking to customize `blockGap` styles or block spacing, see [the developer docs on Global Settings & Styles](/docs/how-to-guides/themes/theme-json/#what-is-blockgap-and-how-can-i-use-it).
+For themes looking to customize `blockGap` styles or block spacing, see [the developer docs on Global Settings & Styles](/docs/how-to-guides/themes/global-settings-and-styles.md#what-is-blockgap-and-how-can-i-use-it).
 
 ### Supporting custom line heights
 
@@ -434,7 +434,7 @@ add_theme_support( 'custom-spacing' );
 
 ## Link color control
 
-Link support has been made stable as part of WordPress 5.8. It's `false` by default and themes can enable it via the [theme.json file](./theme-json.md):
+Link support has been made stable as part of WordPress 5.8. It's `false` by default and themes can enable it via the [theme.json file](/docs/how-to-guides/curating-the-editor-experience/theme-json.md):
 
 ```json
 {

docs/manifest.json

@@ -240,7 +240,7 @@
 		"parent": "curating-the-editor-experience"
 	},
 	{
-		"title": "DisableEditorFunctionality",
+		"title": "Disable Editor functionality",
 		"slug": "disable-editor-functionality",
 		"markdown_source": "../docs/how-to-guides/curating-the-editor-experience/disable-editor-functionality.md",
 		"parent": "curating-the-editor-experience"
@@ -301,8 +301,8 @@
 	},
 	{
 		"title": "Global Settings & Styles (theme.json)",
-		"slug": "theme-json",
-		"markdown_source": "../docs/how-to-guides/themes/theme-json.md",
+		"slug": "global-settings-and-styles",
+		"markdown_source": "../docs/how-to-guides/themes/global-settings-and-styles.md",
 		"parent": "themes"
 	},
 	{

docs/reference-guides/block-api/block-supports.md

@@ -437,7 +437,7 @@ _**Note:** Since WordPress 6.2._
 -   Subproperties:
     -   `minHeight`: type `boolean`, default value `false`
 
-This value signals that a block supports some of the CSS style properties related to dimensions. When it does, the block editor will show UI controls for the user to set their values if [the theme declares support](/docs/how-to-guides/themes/theme-json/#opt-in-into-ui-controls).
+This value signals that a block supports some of the CSS style properties related to dimensions. When it does, the block editor will show UI controls for the user to set their values if [the theme declares support](/docs/how-to-guides/themes/global-settings-and-styles.md#opt-in-into-ui-controls).
 
 ```js
 supports: {
@@ -491,7 +491,7 @@ selectors: {
 
 The filter can be applied to an element inside the block by setting the `selectors.filter.duotone` selector.
 
-Duotone presets are sourced from `color.duotone` in [theme.json](/docs/how-to-guides/themes/theme-json.md).
+Duotone presets are sourced from `color.duotone` in [theme.json](/docs/how-to-guides/themes/global-settings-and-styles.md).
 
 When the block declares support for `filter.duotone`, the attributes definition is extended to include the attribute `style`:
 
@@ -675,7 +675,7 @@ _**Note:** Since WordPress 6.2._
 -   Subproperties:
     -   `sticky`: type `boolean`, default value `false`
 
-This value signals that a block supports some of the CSS style properties related to position. When it does, the block editor will show UI controls for the user to set their values if [the theme declares support](/docs/how-to-guides/themes/theme-json/#opt-in-into-ui-controls).
+This value signals that a block supports some of the CSS style properties related to position. When it does, the block editor will show UI controls for the user to set their values if [the theme declares support](/docs/how-to-guides/themes/global-settings-and-styles.md#opt-in-into-ui-controls).
 
 Note that sticky position controls are currently only available for blocks set at the root level of the document. Setting a block to the `sticky` position will stick the block to its most immediate parent when the user scrolls the page.
 

docs/reference-guides/theme-json-reference/README.md

@@ -1,6 +1,6 @@
 # Theme.json Reference
 
-This reference guide lists the settings and style properties defined in the theme.json schema. See the [theme.json how to guide](/docs/how-to-guides/themes/theme-json.md) for examples and guide on how to use the theme.json file in your theme.
+This reference guide lists the settings and style properties defined in the theme.json schema. See the [theme.json how to guide](/docs/how-to-guides/themes/global-settings-and-styles.md) for examples and guide on how to use the theme.json file in your theme.
 
 -   [Version 2 (living reference)](/docs/reference-guides/theme-json-reference/theme-json-living.md)
 

docs/reference-guides/theme-json-reference/theme-json-living.md

@@ -6,7 +6,7 @@
 > - the [theme.json v1](/docs/reference-guides/theme-json-reference/theme-json-v1.md) specification, and 
 > - the [reference to migrate from theme.json v1 to v2](/docs/reference-guides/theme-json-reference/theme-json-migrations.md).
 
-This reference guide lists the settings and style properties defined in the `theme.json` schema. See the [theme.json how to guide](/docs/how-to-guides/themes/theme-json.md) for examples and guidance on how to use the `theme.json` file in your theme.
+This reference guide lists the settings and style properties defined in the `theme.json` schema. See the [theme.json how to guide](/docs/how-to-guides/themes/global-settings-and-styles.md) for examples and guidance on how to use the `theme.json` file in your theme.
 
 ## Schema