U:RDoc::AnyMethod[iI"swapcase!:ETI"String#swapcase!;TF: publico:RDoc::Markup::Document: @parts[o:RDoc::Markup::Paragraph; [I"NEquivalent to String#swapcase, but modifies the receiver in ;TI"Nplace, returning str, or nil if no changes were made.;To:RDoc::Markup::BlankLineo; ; [I"SSee String#downcase for meaning of +options+ and use with different encodings.;T: @fileI" string.c;T:0@omit_headings_from_table_of_contents_below0I"Wstr.swapcase! -> str or nil str.swapcase!([options]) -> str or nil ;T0[I" (*args);T@FI" String;TcRDoc::NormalClassI" scanf;T0