Docs: Add examples of possible names for various hooks whose name contains a dynamic portion.

This provides greater discoverability of such hooks in search results on the Code Reference site as well as increased clarity when reading the source.

See #50734, #52628


git-svn-id: https://develop.svn.wordpress.org/trunk@50505 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-includes/general-template.php

@@ -4719,6 +4719,16 @@ function get_the_generator( $type = '' ) {
 	 *
 	 * The dynamic portion of the hook name, `$type`, refers to the generator type.
 	 *
+	 * Possible hook names include:
+	 *
+	 *  - `get_the_generator_atom`
+	 *  - `get_the_generator_comment`
+	 *  - `get_the_generator_export`
+	 *  - `get_the_generator_html`
+	 *  - `get_the_generator_rdf`
+	 *  - `get_the_generator_rss2`
+	 *  - `get_the_generator_xhtml`
+	 *
 	 * @since 2.5.0
 	 *
 	 * @param string $gen  The HTML markup output to wp_head().