It looks like an overprinting of the 3 characters = ( ) Le 19 avr. 2013 09:57, "David Starner" <prosfil...@gmail.com> a écrit :
> http://archive.org/details/bitsavers_sdcjovialTerDec61_12294913 is a > 1961 programming book on the programming language Jovial. On page 7ff > is a character I've never seen before; I'm pretty sure it's > overprinting, but I'm not sure of what. I've attached an image to this > email message. > > The text says "The metasymbol 𒀗 signifies syntactic equivalence, > while the colon > signifies concatenation and the semicolon ; signifies selection between > adjacent elements." > > -- > Kie ekzistas vivo, ekzistas espero. >