He makes this explicit in a letter to King Ludwig of Bavaria, dated December 17 and 27, 1829: As far as the somewhat paradoxical title of the confidences from my life, Truth and Poetry, is concerned, it was inspired by the experience that the public always has some doubts about the ...
The Extensions field encodes the presence of the standard extensions, with a single bit per letter of the alphabet (bit 0 encodes presence of extension “A” , bit 1 encodes presence of extension “B”, through to bit 25 which encodes “Z”). The “I” bit will be set for RV32I, ...