U:RDoc::AnyMethod[iI" on_head:EFI"OptionParser#on_head;TF: publico:RDoc::Markup::Document: @parts[o:RDoc::Markup::Paragraph; [I"=Add option switch like with #on, but at head of summary.;T: @fileI"lib/optparse.rb;T:0@omit_headings_from_table_of_contents_below000[I"(*opts, &block);T@FI"OptionParser;TcRDoc::NormalClass00