Change get_comments_link() and comments_link() methods.
Added public.
Change get_comments_number() and comments_number() methods.
Added public.
Change get_comment_text() and comment_text() methods.
Change get_comment_time() and comment_time() methods.
Change comments_open() methods.
Add hrautop() method for replaces double line-breaks with paragraph elements.
Add _autop_newline_preservation_helper() method for newline preservation help function for hrautop.
Add private.
Add $this.
Move seems_utf8() method.
Change _hr_specialchars() and hr_specialchars_decode() methods.
Change hr_check_invalid_utf8 methods.
Add utf8_uri_encode() method for encode the Unicode values to be used in the URI.
Move remove_accents() method.
Add sanitize_file_name() method for sanitizes a filename, replacing whitespace with dashes.
Add sanitize_user() method for sanitizes a username, stripping out unsafe characters.
Add sanitize_text_field() method for sanitize a string from user input or from the db.
Add hr_pre_kses_less_than() method for convert lone less than signs.
Add hr_pre_kses_less_than_callback() method for callback function used by preg_replace.