4.1 Docs Audit: Fix a variety of issues with the DocBlock for the `default_page_template_title` filter.

Includes hyphenating 'drop-down', ensuring the DocBlock itself is correctly indented, and wraps lines at an appropriate length.

See #30469.

Built from https://develop.svn.wordpress.org/trunk@30601


git-svn-id: http://core.svn.wordpress.org/trunk@30591 1a063a9b-81f0-0310-95a4-ce76da25c4cd
4.1 Docs Audit: Document the `$post` global in the DocBlock for `wp_print_revision_templates()`.

See #30469.

Built from https://develop.svn.wordpress.org/trunk@30602


git-svn-id: http://core.svn.wordpress.org/trunk@30592 1a063a9b-81f0-0310-95a4-ce76da25c4cd
4.1 Docs Audit: Clarify the DocBlock summary for `network_settings_add_js()` to specify that it's specific to the Network Settings screen.

See #30469.

Built from https://develop.svn.wordpress.org/trunk@30603


git-svn-id: http://core.svn.wordpress.org/trunk@30593 1a063a9b-81f0-0310-95a4-ce76da25c4cd