wcf_revision_nr = [383] 'delete trash'
wcf_revision_nr = [384] '#1 The transition to the use of the class'
wcf_revision_nr = [385] '#2 The transition to the use of the class'
wcf_revision_nr = [386] '#3 The transition to the use of the class'
wcf_revision_nr = [387] '#4 The transition to the use of the class'