Display a noindex meta tag.

Renders the duotone filter SVG and returns the CSS filter property to reference the rendered SVG.

Formats text for the rich text editor.

Display a noindex,noarchive meta tag and referrer strict-origin-when-cross-origin meta tag.

Sets the categories that the post ID belongs to.

Checks whether serialization of the current block’s border properties should occur.

Checks whether serialization of the current block’s dimensions properties should occur.

Checks whether serialization of the current block’s spacing properties should occur.

Adds slashes to only string values in an array of values.

Legacy escaping for HTML blocks.