U:RDoc::AnyMethod[iI" isutf8:EFI"Kconv#isutf8;TF: privateo:RDoc::Markup::Document: @parts[o:RDoc::Markup::Paragraph; [I"4Returns whether input encoding is UTF-8 or not.;T: @fileI"ext/nkf/lib/kconv.rb;T:0@omit_headings_from_table_of_contents_below0I"*Kconv.isutf8(str) => true or false ;T0[I" (str);T@FI" Kconv;FcRDoc::NormalModule00