Lawrence D'Oliveiro wrote: "On Thu, 22 Feb 2024 09:54:07 +0100, Dmitry A. Kazakov wrote: [. . .] We normally work with bytes here. [. . .] [. . .] So my point still stands: the bytestream is the ultimate lowest-level meta-format." Dear Mister Lawrence D'Oliveiro, Bit and std_ulogic and electron are at lower levels. "> Alone specification of handling missing, superfluous, wrongly typed > fields is a huge work before a single line of code is written. All the code for that already exists, in most if not all common languages." BNF is better than all common languages. With best regards. Nioclásán Caileán Glostéir