This was my old list for comparison .a ar(1) archive .b bc(1), limbo source .c C source .d dc(1) .e -- was efl .f fortran .g -- there was a gc? .h C include .i na(8) output .j .k ka, kc, kl .l lc(1), lex .m mc(1), limbo module source .n na(8) .o unix object files .p pascal source? .q qa, qc, ql power .r rc(1), ratfor .s assembler source .t tc, with 5a/5l arm (thumb) .u uc sparc64 .v va, vc, vl mips .w wc(1) .x -- old xa, xc, xl .y -- yacc .z za, zc, zl [VN atmel compiler] .0 0[acl] spim .1 1a, 1c, 1l 68010 .2 2[acl] 68020 .3 -- free (perhaps sh-3) .4 64-bit mips? .5 5a, 5c, 5l arm .6 6a, 6c, 6l amd64 .7 7a, 7c, 7l arm64 .8 8a, 8c, 8l 386 .9 p9p, 9[acl] power64 On Tue, 30 Oct 2018 at 09:35, Anthony Martin wrote: > Charles Forsyth once said: > > I had a chart somewhere with the available non-unicode letters. > > I made one a few years ago. It's at http://pbrane.org/comp.html > > I just updated it with a suggestion for the RISC-V letters. > > Anthony > >