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 ð’€— signifies syntactic equivalence,
while the colon
signifies concatenation and the semicolon ; signifies selection between
adjacent elements."
-- Kie ekzistas vivo, ekzistas espero.
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