llvm/llvm/test/YAMLParser/spec-09-03.test

# RUN: yaml-bench -canonical %s | FileCheck %s --strict-whitespace
# CHECK:      !!seq [
# CHECK-NEXT:   !!str " last",
# CHECK-NEXT:   !!str " last",
# CHECK-NEXT:   !!str " \tfirst last",
# CHECK-NEXT: ]

- "
  last"
- " 	
  last"
- " 	first
  last"