UPDATE2: I think there is indeed a need to syntactically distinguish the two forms of dereferences, maybe by obliging the programmer to enclose symbols in double quotes: 
${"$sym"}

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But this should be done equally for package and lexical vars, IMHO no need to break orthogonality.

UPDATE3: But anyway you're bringing a syntax-argument into a semantic-discussion.

In reply to Re^9: Indirect variable name by LanX
in thread Indirect variable name by FreakyGreenLeaky

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