U:RDoc::AnyMethod[iI"previous_changes:ETI"(ActiveModel::Dirty#previous_changes;TF:publico:RDoc::Markup::Document:@parts[o:RDoc::Markup::Paragraph;	[I"OReturns a hash of attributes that were changed before the model was saved.;To:RDoc::Markup::BlankLineo:RDoc::Markup::Verbatim;	[	I"person.name # => "bob"
;TI"person.name = 'robert'
;TI"person.save
;TI"?person.previous_changes # => {"name" => ["bob", "robert"]};T:@format0:
@fileI"lib/active_model/dirty.rb;T:0@omit_headings_from_table_of_contents_below000[I"();T@FI"
Dirty;TcRDoc::NormalModule00