IN ... SOLVE error error

[Lartu]

mue@mx:~/prog/ldpl$ ldpl cal.ldpl 
* Loading cal.ldpl
* Compiling cal.ldpl
* Building cal-bin
ldpl-temp.cpp: In function ‘int main(int, char**)’:
ldpl-temp.cpp:14:63: error: expected ‘;’ before ‘to_number’
   14 | VAR_ERGEBNIS = to_number(VAR_ARGV[0]) + to_number(VAR_ARGV[1]) to_number("\n");
      |                                                               ^~~~~~~~~~
      |                                                               ;
LDPL Error: compilation failed.
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For IN ergebnis SOLVE argv:0 + argv:1 CRLF.

LDPL doesn't check that the SOLVE formula has a valid form. The issue here is not the CRLF, but that an operator is missing between argv:1 and CRLF.