SQL: Behavior of uninitialized variables

[gramian]

ArcadeDB Version: 25.1.1

Using SQLscript, unset variables evaluate to their symbol name. Using:

CONSOLE.log $abc 

writes to the log:

$abc

Is this meant to be this way? This can be OK, like in Lisps.

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A case that is then unexpected:

LET $test = $abc;
CONSOLE.log $test

writes to the log:

$test

This is strange as one would expect that $test is set to $abc and so $abc is written to the log?