1  >var a = 10;

    ~~~~~~~~~~~~                                  => Pos: (0 to 11)  SpanInfo: {"start":0,"length":10}
    >var a = 10
    >:=> (line 1, col 0) to (line 1, col 10)
--------------------------------
2  >var b;

    ~~~~~~~                                       => Pos: (12 to 18)  SpanInfo: undefined
--------------------------------
3  >var c = 10, d, e;

    ~~~~~~~~~~~~~~~~~~                            => Pos: (19 to 36)  SpanInfo: {"start":19,"length":10}
    >var c = 10
    >:=> (line 3, col 0) to (line 3, col 10)
--------------------------------
4  >var c2, d2 = 10;

    ~~~~~~~                                       => Pos: (37 to 43)  SpanInfo: undefined
4  >var c2, d2 = 10;

           ~~~~~~~~~~                             => Pos: (44 to 53)  SpanInfo: {"start":45,"length":7}
    >d2 = 10
    >:=> (line 4, col 8) to (line 4, col 15)
--------------------------------
5  >module m {

    ~~~~~~~~~~~                                   => Pos: (54 to 64)  SpanInfo: {"start":54,"length":146}
    >module m {
    >    var x1;
    >    var x2 = 10, x3 = 10;
    >    var x4, x5;
    >    export var xx1;
    >    export var xx2 = 10, xx3 = 10;
    >    export var xx4, xx5;
    >}
    >:=> (line 5, col 0) to (line 12, col 1)
--------------------------------
6  >    var x1;

    ~~~~~~~~~~~~                                  => Pos: (65 to 76)  SpanInfo: undefined
--------------------------------
7  >    var x2 = 10, x3 = 10;

    ~~~~~~~~~~~~~~~~                              => Pos: (77 to 92)  SpanInfo: {"start":81,"length":11}
    >var x2 = 10
    >:=> (line 7, col 4) to (line 7, col 15)
7  >    var x2 = 10, x3 = 10;

                    ~~~~~~~~~~                    => Pos: (93 to 102)  SpanInfo: {"start":94,"length":7}
    >x3 = 10
    >:=> (line 7, col 17) to (line 7, col 24)
--------------------------------
8  >    var x4, x5;

    ~~~~~~~~~~~~~~~~                              => Pos: (103 to 118)  SpanInfo: undefined
--------------------------------
9  >    export var xx1;

    ~~~~~~~~~~~~~~~~~~~~                          => Pos: (119 to 138)  SpanInfo: {"start":123,"length":14}
    >export var xx1
    >:=> (line 9, col 4) to (line 9, col 18)
--------------------------------
10 >    export var xx2 = 10, xx3 = 10;

    ~~~~~~~~~~~~~~~~~~~~~~~~                      => Pos: (139 to 162)  SpanInfo: {"start":143,"length":19}
    >export var xx2 = 10
    >:=> (line 10, col 4) to (line 10, col 23)
10 >    export var xx2 = 10, xx3 = 10;

                            ~~~~~~~~~~~           => Pos: (163 to 173)  SpanInfo: {"start":164,"length":8}
    >xx3 = 10
    >:=> (line 10, col 25) to (line 10, col 33)
--------------------------------
11 >    export var xx4, xx5;

    ~~~~~~~~~~~~~~~~~~~                           => Pos: (174 to 192)  SpanInfo: {"start":178,"length":14}
    >export var xx4
    >:=> (line 11, col 4) to (line 11, col 18)
11 >    export var xx4, xx5;

                       ~~~~~~                     => Pos: (193 to 198)  SpanInfo: {"start":194,"length":3}
    >xx5
    >:=> (line 11, col 20) to (line 11, col 23)
--------------------------------
12 >}
    ~                                             => Pos: (199 to 199)  SpanInfo: {"start":199,"length":1}
    >}
    >:=> (line 12, col 0) to (line 12, col 1)