INTERCAL - History

History

According to the original manual by the authors,

The full name of the compiler is "Compiler Language With No Pronounceable Acronym," which is, for obvious reasons, abbreviated "INTERCAL."

The original Princeton implementation used punched cards and the EBCDIC character set. To allow INTERCAL to run on computers using ASCII, substitutions for two characters had to be made: $ substituted for ¢ as the mingle operator, "represent the increasing cost of software in relation to hardware", and ? was substituted for ∀ as the unary exclusive-or operator to "correctly express the average person's reaction on first encountering exclusive-or". In recent versions of C-INTERCAL, the older operators are supported as alternatives; INTERCAL programs may now be encoded in ASCII, Latin-1, UTF-8.

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