executable("win"  # Suffix comment on arg.

           # And a strangely positioned line comment for some reason
           ) {
  defines = []  # Defines comment, suffix at end position.

  deps = [
    # Deps comment, should be forced multiline.
  ]
  sources = [
    "a.cc",
    # End of single sources comment, should be forced multiline.
  ]

  # End of block comment.
}