The Clear Realisation of the Quintessential Instructions on All Dharma Practices: a critical edition and annotated translation of the *Sarvadharmacaryopadeśābhisamayatantra
(Chos spyod thams cad kyi man ngag mngon par rtogs paʾi rgyud) based on two unpublished manuscripts from the ʾBras-spungs-gnas-bcu-lha-khang (Indian and Tibetan Studies, 6)