... application, 35 0 35 3file_field( ) method, 35 1:filename parameter, 297Filter, 125, 31 3 31 8after, 31 3around, 31 6before, 31 3block, 31 4and caching, 31 9class, 31 4compress response, 31 5method, 31 4modify ... 39 2form_tag( ), 99h( ), 34 , 33 2, 431 html_escape(), 33 2image_tag(), 33 8implement with modules, 4 73 JavaScript, 37 6link_to( ), 39 , 72loading, 278mail_to(), 33 9markdown( ), 33 7naming convention, ... parameter, 39 1:condition parameter, 39 0:confirm parameter, 39 0:href parameter, 39 7link_to_unless_current( ) method, 33 8Linking pages, 37 , 2 83 289, 33 7 33 9problems with side effects, 32 4 32 6stylesheets,...