* add_chat_detection_format() — to add a chat regex pattern
* get_content_chat() — to grab a chat from content
* get_the_chat() — grab the chat from the current (or passed) post
* the_chat() — output the chat in formatted HTML
* paginate_content() — puts the <!--nextpage--> splitting stuff into a function
* get_paged_content() — grabs a page of raw content, needed to paginate chats properly
see #23625. props wonderboymusic, lancewillett.
git-svn-id: https://develop.svn.wordpress.org/trunk@23804 602fd350-edb4-49c9-b593-d223f7449a82
* Check for theme support of `structured-post-formats` rather than `post-formats`.
* Use \n instead of PHP_EOL constant.
* Add new lines after opening compat wrapper tag for some `wpautop()` treatment.
props SergeyBiryukov. see #23347.
git-svn-id: https://develop.svn.wordpress.org/trunk@23468 602fd350-edb4-49c9-b593-d223f7449a82