Emacs Lisp: What is DOLLAR Sign $var and AT Sign @var, in Variable Names
Emacs Lisp: Symbol names allows both “dollar sign” character and “at sign ” character.
They do not have special meaning.
Dollar Sign in Beginning of Variable Name
you might see some emacs lisp code with variable name starting with
dollar sign, e.g.
$p1.
that is my naming convention, to distinguish local variable names from builtin-symbols.
At Sign @ in Beginning of Variable Name
you might see some emacs lisp code with variable name starting with at sign:
@begin
@end
that is my own naming convention, to distinguish function parameter names from other variable.
