# ...&printable=yes
body: //div[@id='bodycontents']
# m.wikihow.com/...
body: //div[@id='article']
prune: no
tidy: no
strip_id_or_class: gatEditSection
strip_id_or_class: relatedwikihows
#strip: //div[contains(@class, 'step_num')]

replace_string(<script ): <div style="display: none" 
replace_string(</script>): </div>

single_page_link: //a[@id='gatPrintView']
single_page_link: concat(//link[@rel='canonical']/@href, '?printable=yes')

test_url: http://pt.m.wikihow.com/Criar-um-Script-de-Login-Seguro-em-PHP-e-MySQL