block.golden
// comment
x "y" z
// block
block ( // block-eol
// x-before-line
"x" (y // x-eol
"x") y // y-eol
"x1"
"x2"
// line
"x3"
"x4"
"x5"
// y-line
"y" // y-eol
"z" // z-eol
) // block-eol2
block1 (
)
block2 (x y z)
block3 "w" (
) // empty block
block4 "x" () "y" // not a block
block5 ("z" // also not a block
// eof