A section from the default-filters.php file in Wordpress

default-filters.php

<?php

// Display filters
add_filter( 'the_title', 'wptexturize'   );
add_filter( 'the_title', 'convert_chars' );
add_filter( 'the_title', 'trim'          );

add_filter( 'the_content', 'wptexturize'        );
add_filter( 'the_content', 'convert_smilies'    );
add_filter( 'the_content', 'convert_chars'      );
//add_filter( 'the_content', 'wpautop'            );
add_filter( 'the_content', 'shortcode_unautop'  );
add_filter( 'the_content', 'prepend_attachment' );