U:RDoc::AnyMethod[iI"downcase!:ETI"String#downcase!;TF: publico:RDoc::Markup::Document: @parts[o: RDoc::Markup::Paragraph; [I"LDowncases the contents of str, returning nil if no ;TI"changes were made.;To: RDoc::Markup::BlankLine o;
; [I"SSee String#downcase for meaning of +options+ and use with different encodings.;T:
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