Why are @, `, and $ not used in C?
Steve Summit
scs at hstbme.mit.edu
Fri Sep 22 17:49:58 AEST 1989
An amusing bit of trivia is that pcc (4bsd, at least), among
other heroic efforts at antediluvian backwards compatibility,
still "accepts" (if only so it can reject it) an old BCD constant
syntax involving backquotes:
$ /lib/ccom
int x = `1234567` + `8;
line 1: BCD constant exceeds 6 characters
line 1: newline in BCD constant
line 1: gcos BCD constant illegal
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