U:RDoc::AnyMethod[iI"error_message:EFI"GetoptLong#error_message;TF:publico:RDoc::Markup::Document:@parts[o:RDoc::Markup::Paragraph; [I"CReturn the appropriate error message in POSIX-defined format. ;TI"+If no error has occurred, returns nil.;T: @fileI"lib/getoptlong.rb;T:0@omit_headings_from_table_of_contents_below000[I"();T@FI"GetoptLong;TcRDoc::NormalClass00