Lexer tokenized input:
======================
[Setvar::setvar][WS: ][T:a][WS: ][T:"variable with 
new line"][Eof:]
Tokens:
=======
[Token Setvar at TS-pass-varDefinition.txt(1:1 [0] - 1:8 [7]): ':setvar']
[Token Whitespace at TS-pass-varDefinition.txt(1:8 [7] - 1:9 [8]): ' ']
[Token Text at TS-pass-varDefinition.txt(1:9 [8] - 1:10 [9]): 'a']
[Token Whitespace at TS-pass-varDefinition.txt(1:10 [9] - 1:11 [10]): ' ']
[Token Text at TS-pass-varDefinition.txt(1:11 [10] - 2:10 [35]): '"variable with \nnew line"']
[Token Eof at TS-pass-varDefinition.txt(2:10 [35] - 2:10 [35]): '']

Setting variable a to [variable with 
new line]