▁a ▁cardinal ▁in ▁ 1 3 7 1 . ▁In ▁ 1 3 7 4 ▁Pope ▁Gregory ▁XI ▁issued ▁a ▁b ull ▁and ▁condem ned ▁ 1 4 ▁articles ▁of ▁the ▁Sach sens p iegel . ▁ ▁O thers ▁like ▁K len k ok ▁who ▁put ▁forth ▁a ▁re vised ▁version ▁of ▁the ▁views ▁of ▁Gregory ▁of ▁R im ini ▁included ▁H ug olin ▁of ▁Or vi eto , ▁Johann ▁H ilt al inger , ▁Angel inus ▁Dob el inus , ▁and ▁Johannes ▁Zach arie . ▁Of ▁these , ▁Dob el inus ▁considered ▁K len k ok ▁his ▁personal ▁teacher . ▁As ▁a ▁comment ator ▁at ▁Paris ▁he ▁was ▁in ▁the ▁company ▁of ▁John ▁of ▁R ip a , ▁Fac inus ▁de ▁Ast , ▁Michael ▁A igu ani ▁and ▁Andrew ▁of ▁Ne uf ch ate au . ▁These ▁writers ▁stood ▁rather ▁apart ▁from ▁the ▁tr end ▁of ▁the ▁modern i . ▁ ▁Ed itions ▁As ▁of ▁ 1 9 9 9 , ▁a ▁modern ▁scholar ly ▁edition ▁of ▁his ▁works ▁was ▁lack ing . ▁ ▁References ▁ ▁S ources ▁Christopher ▁O cker , ▁Johannes ▁K len k ok : ▁A ▁Fri ar ' s ▁Life , ▁c . ▁ 1 3 1 0 - 1 3 7 4 , ▁Trans actions , ▁American ▁Philosoph ical ▁Society ▁( vol . ▁ 8 3 , ▁Part ▁ 5 , ▁ 1 9 9 3 ). ▁Online ▁at ▁Google ▁Books ▁ ▁Further ▁reading ▁ ▁Dam as us ▁Tra pp , ▁Notes ▁on ▁John ▁K len k