('\n---', '}')
{(Lit_RBrace '}')}
('\n---', ',')
{(Lit_Comma ',')}
('\n---', 'B-{a,b}-E')
{(B-) (Lit_LBrace '{') (a) (Lit_Comma ',') (b) (Lit_RBrace '}') (-E)}
(BracedWordTree
  parts: [
    (LiteralPart token:(token id:Lit_Chars val:B- span_id:0))
    (BracedAltPart
      words: [
        (CompoundWord parts:[(LiteralPart token:(token id:Lit_Chars val:a span_id:2))])
        (CompoundWord parts:[(LiteralPart token:(token id:Lit_Chars val:b span_id:4))])
      ]
    )
    (LiteralPart token:(token id:Lit_Chars val:-E span_id:6))
  ]
)
--
('\n---', 'B-{a"a",b"b",c"c"}-E')
{(B-) (Lit_LBrace '{') (a) (DQ (a)) (Lit_Comma ',') (b) (DQ (b)) (Lit_Comma ',') (c) (DQ (c)) 
  (Lit_RBrace '}') (-E)
}
(BracedWordTree
  parts: [
    (LiteralPart token:(token id:Lit_Chars val:B- span_id:0))
    (BracedAltPart
      words: [
        (CompoundWord
          parts: [
            (LiteralPart token:(token id:Lit_Chars val:a span_id:2))
            (DoubleQuotedPart
              parts: [(LiteralPart token:(token id:Lit_Chars val:a span_id:4))]
              spids: [3 5]
            )
          ]
        )
        (CompoundWord
          parts: [
            (LiteralPart token:(token id:Lit_Chars val:b span_id:7))
            (DoubleQuotedPart
              parts: [(LiteralPart token:(token id:Lit_Chars val:b span_id:9))]
              spids: [8 10]
            )
          ]
        )
        (CompoundWord
          parts: [
            (LiteralPart token:(token id:Lit_Chars val:c span_id:12))
            (DoubleQuotedPart
              parts: [(LiteralPart token:(token id:Lit_Chars val:c span_id:14))]
              spids: [13 15]
            )
          ]
        )
      ]
    )
    (LiteralPart token:(token id:Lit_Chars val:-E span_id:17))
  ]
)
--
('\n---', 'B-{a,b}--{c,d}-E')
{(B-) (Lit_LBrace '{') (a) (Lit_Comma ',') (b) (Lit_RBrace '}') (--) (Lit_LBrace '{') (c) (Lit_Comma ',') (d) 
  (Lit_RBrace '}') (-E)
}
(BracedWordTree
  parts: [
    (LiteralPart token:(token id:Lit_Chars val:B- span_id:0))
    (BracedAltPart
      words: [
        (CompoundWord parts:[(LiteralPart token:(token id:Lit_Chars val:a span_id:2))])
        (CompoundWord parts:[(LiteralPart token:(token id:Lit_Chars val:b span_id:4))])
      ]
    )
    (LiteralPart token:(token id:Lit_Chars val:-- span_id:6))
    (BracedAltPart
      words: [
        (CompoundWord parts:[(LiteralPart token:(token id:Lit_Chars val:c span_id:8))])
        (CompoundWord parts:[(LiteralPart token:(token id:Lit_Chars val:d span_id:10))])
      ]
    )
    (LiteralPart token:(token id:Lit_Chars val:-E span_id:12))
  ]
)
--
('\n---', 'B-{a,b,c,={d,e}}-E')
{(B-) (Lit_LBrace '{') (a) (Lit_Comma ',') (b) (Lit_Comma ',') (c) (Lit_Comma ',') (Lit_Other '=') 
  (Lit_LBrace '{') (d) (Lit_Comma ',') (e) (Lit_RBrace '}') (Lit_RBrace '}') (-E)
}
(BracedWordTree
  parts: [
    (LiteralPart token:(token id:Lit_Chars val:B- span_id:0))
    (BracedAltPart
      words: [
        (CompoundWord parts:[(LiteralPart token:(token id:Lit_Chars val:a span_id:2))])
        (CompoundWord parts:[(LiteralPart token:(token id:Lit_Chars val:b span_id:4))])
        (CompoundWord parts:[(LiteralPart token:(token id:Lit_Chars val:c span_id:6))])
        (CompoundWord
          parts: [
            (LiteralPart token:(token id:Lit_Other val:'=' span_id:8))
            (BracedAltPart
              words: [
                (CompoundWord
                  parts: [(LiteralPart token:(token id:Lit_Chars val:d span_id:10))]
                )
                (CompoundWord
                  parts: [(LiteralPart token:(token id:Lit_Chars val:e span_id:12))]
                )
              ]
            )
          ]
        )
      ]
    )
    (LiteralPart token:(token id:Lit_Chars val:-E span_id:15))
  ]
)
('\n---', 'B-{a,={b,c}=,d}-E')
{(B-) (Lit_LBrace '{') (a) (Lit_Comma ',') (Lit_Other '=') (Lit_LBrace '{') (b) (Lit_Comma ',') (c) 
  (Lit_RBrace '}') (Lit_Other '=') (Lit_Comma ',') (d) (Lit_RBrace '}') (-E)
}
(BracedWordTree
  parts: [
    (LiteralPart token:(token id:Lit_Chars val:B- span_id:0))
    (BracedAltPart
      word.s: [
        (CompoundWord parts:[(LiteralPart token:(token id:Lit_Chars val:a span_id:2))])
        (CompoundWord
          parts: [
            (LiteralPart token:(token id:Lit_Other val:'=' span_id:4))
            (BracedAltPart
              words: [
                (CompoundWord
                  parts: [(LiteralPart token:(token id:Lit_Chars val:b span_id:6))]
                )
                (CompoundWord
                  parts: [(LiteralPart token:(token id:Lit_Chars val:c span_id:8))]
                )
              ]
            )
            (LiteralPart token:(token id:Lit_Other val:'=' span_id:10))
          ]
        )
        (CompoundWord parts:[(LiteralPart token:(token id:Lit_Chars val:d span_id:12))])
      ]
    )
    (LiteralPart token:(token id:Lit_Chars val:-E span_id:14))
  ]
)
(CompoundWord parts:[(LiteralPart token:(token id:Lit_Chars val:a span_id:2))])('\n---', '{a,b,}')
{(Lit_LBrace '{') (a) (Lit_Comma ',') (b) (Lit_Comma ',') (Lit_RBrace '}')}
(BracedWordTree
  parts: [
    (BracedAltPart
      words: [
        (CompoundWord parts:[(LiteralPart token:(token id:Lit_Chars val:a span_id:1))])
        (CompoundWord parts:[(LiteralPart token:(token id:Lit_Chars val:b span_id:3))])
        (CompoundWord)
      ]
    )
  ]
)
('\n---', 'hi')
{(hi)}
(CompoundWord parts:[(LiteralPart token:(token id:Lit_Chars val:hi span_id:0))])
('\n---', 'B-{a,b}-E')
{(B-) (Lit_LBrace '{') (a) (Lit_Comma ',') (b) (Lit_RBrace '}') (-E)}
(BracedWordTree
  parts: [
    (LiteralPart token:(token id:Lit_Chars val:B- span_id:0))
    (BracedAltPart
      words: [
        (CompoundWord parts:[(LiteralPart token:(token id:Lit_Chars val:a span_id:2))])
        (CompoundWord parts:[(LiteralPart token:(token id:Lit_Chars val:b span_id:4))])
      ]
    )
    (LiteralPart token:(token id:Lit_Chars val:-E span_id:6))
  ]
)
(CompoundWord
  parts: [
    (LiteralPart token:(token id:Lit_Chars val:B- span_id:0))
    (LiteralPart token:(token id:Lit_Chars val:a span_id:2))
    (LiteralPart token:(token id:Lit_Chars val:-E span_id:6))
  ]
)
(CompoundWord
  parts: [
    (LiteralPart token:(token id:Lit_Chars val:B- span_id:0))
    (LiteralPart token:(token id:Lit_Chars val:b span_id:4))
    (LiteralPart token:(token id:Lit_Chars val:-E span_id:6))
  ]
)
('\n---', 'B-{a,={b,c,d}=,e}-E')
{(B-) (Lit_LBrace '{') (a) (Lit_Comma ',') (Lit_Other '=') (Lit_LBrace '{') (b) (Lit_Comma ',') (c) 
  (Lit_Comma ',') (d) (Lit_RBrace '}') (Lit_Other '=') (Lit_Comma ',') (e) (Lit_RBrace '}') (-E)
}
(BracedWordTree
  parts: [
    (LiteralPart token:(token id:Lit_Chars val:B- span_id:0))
    (BracedAltPart
      words: [
        (CompoundWord parts:[(LiteralPart token:(token id:Lit_Chars val:a span_id:2))])
        (CompoundWord
          parts: [
            (LiteralPart token:(token id:Lit_Other val:'=' span_id:4))
            (BracedAltPart
              words: [
                (CompoundWord
                  parts: [(LiteralPart token:(token id:Lit_Chars val:b span_id:6))]
                )
                (CompoundWord
                  parts: [(LiteralPart token:(token id:Lit_Chars val:c span_id:8))]
                )
                (CompoundWord
                  parts: [(LiteralPart token:(token id:Lit_Chars val:d span_id:10))]
                )
              ]
            )
            (LiteralPart token:(token id:Lit_Other val:'=' span_id:12))
          ]
        )
        (CompoundWord parts:[(LiteralPart token:(token id:Lit_Chars val:e span_id:14))])
      ]
    )
    (LiteralPart token:(token id:Lit_Chars val:-E span_id:16))
  ]
)
(CompoundWord
  parts: [
    (LiteralPart token:(token id:Lit_Chars val:B- span_id:0))
    (LiteralPart token:(token id:Lit_Chars val:a span_id:2))
    (LiteralPart token:(token id:Lit_Chars val:-E span_id:16))
  ]
)
(CompoundWord
  parts: [
    (LiteralPart token:(token id:Lit_Chars val:B- span_id:0))
    (LiteralPart token:(token id:Lit_Other val:'=' span_id:4))
    (LiteralPart token:(token id:Lit_Chars val:b span_id:6))
    (LiteralPart token:(token id:Lit_Other val:'=' span_id:12))
    (LiteralPart token:(token id:Lit_Chars val:-E span_id:16))
  ]
)
(CompoundWord
  parts: [
    (LiteralPart token:(token id:Lit_Chars val:B- span_id:0))
    (LiteralPart token:(token id:Lit_Other val:'=' span_id:4))
    (LiteralPart token:(token id:Lit_Chars val:c span_id:8))
    (LiteralPart token:(token id:Lit_Other val:'=' span_id:12))
    (LiteralPart token:(token id:Lit_Chars val:-E span_id:16))
  ]
)
(CompoundWord
  parts: [
    (LiteralPart token:(token id:Lit_Chars val:B- span_id:0))
    (LiteralPart token:(token id:Lit_Other val:'=' span_id:4))
    (LiteralPart token:(token id:Lit_Chars val:d span_id:10))
    (LiteralPart token:(token id:Lit_Other val:'=' span_id:12))
    (LiteralPart token:(token id:Lit_Chars val:-E span_id:16))
  ]
)
(CompoundWord
  parts: [
    (LiteralPart token:(token id:Lit_Chars val:B- span_id:0))
    (LiteralPart token:(token id:Lit_Chars val:e span_id:14))
    (LiteralPart token:(token id:Lit_Chars val:-E span_id:16))
  ]
)
('\n---', 'B-{a,b}-{c,d}-E')
{(B-) (Lit_LBrace '{') (a) (Lit_Comma ',') (b) (Lit_RBrace '}') (-) (Lit_LBrace '{') (c) (Lit_Comma ',') (d) 
  (Lit_RBrace '}') (-E)
}
(BracedWordTree
  parts: [
    (LiteralPart token:(token id:Lit_Chars val:B- span_id:0))
    (BracedAltPart
      words: [
        (CompoundWord parts:[(LiteralPart token:(token id:Lit_Chars val:a span_id:2))])
        (CompoundWord parts:[(LiteralPart token:(token id:Lit_Chars val:b span_id:4))])
      ]
    )
    (LiteralPart token:(token id:Lit_Chars val:- span_id:6))
    (BracedAltPart
      words: [
        (CompoundWord parts:[(LiteralPart token:(token id:Lit_Chars val:c span_id:8))])
        (CompoundWord parts:[(LiteralPart token:(token id:Lit_Chars val:d span_id:10))])
      ]
    )
    (LiteralPart token:(token id:Lit_Chars val:-E span_id:12))
  ]
)
(CompoundWord
  parts: [
    (LiteralPart token:(token id:Lit_Chars val:B- span_id:0))
    (LiteralPart token:(token id:Lit_Chars val:a span_id:2))
    (LiteralPart token:(token id:Lit_Chars val:- span_id:6))
    (LiteralPart token:(token id:Lit_Chars val:c span_id:8))
    (LiteralPart token:(token id:Lit_Chars val:-E span_id:12))
  ]
)
(CompoundWord
  .
----------------------------------------------------------------------
Ran 2 tests in 0.015s

OK
parts: [
    (LiteralPart token:(token id:Lit_Chars val:B- span_id:0))
    (LiteralPart token:(token id:Lit_Chars val:a span_id:2))
    (LiteralPart token:(token id:Lit_Chars val:- span_id:6))
    (LiteralPart token:(token id:Lit_Chars val:d span_id:10))
    (LiteralPart token:(token id:Lit_Chars val:-E span_id:12))
  ]
)
(CompoundWord
  parts: [
    (LiteralPart token:(token id:Lit_Chars val:B- span_id:0))
    (LiteralPart token:(token id:Lit_Chars val:b span_id:4))
    (LiteralPart token:(token id:Lit_Chars val:- span_id:6))
    (LiteralPart token:(token id:Lit_Chars val:c span_id:8))
    (LiteralPart token:(token id:Lit_Chars val:-E span_id:12))
  ]
)
(CompoundWord
  parts: [
    (LiteralPart token:(token id:Lit_Chars val:B- span_id:0))
    (LiteralPart token:(token id:Lit_Chars val:b span_id:4))
    (LiteralPart token:(token id:Lit_Chars val:- span_id:6))
    (LiteralPart token:(token id:Lit_Chars val:d span_id:10))
    (LiteralPart token:(token id:Lit_Chars val:-E span_id:12))
  ]
)