let channel ~title ~link ~desc
?language
?copyright
?managing_editor
?webmaster
?pubdate
?last_build_date
?(cats=[])
?generator
?docs
?ttl
?image
?text_input
items
=
{
ch_title = title ;
ch_link = link ;
ch_desc = desc ;
ch_language = language ;
ch_copyright = copyright ;
ch_managing_editor = managing_editor ;
ch_webmaster = webmaster ;
ch_pubdate = pubdate ;
ch_last_build_date = last_build_date ;
ch_categories = cats ;
ch_generator = generator ;
ch_docs = docs ;
ch_ttl = ttl ;
ch_image = image ;
ch_text_input = text_input ;
ch_items = items ;
}