key = "value"
bare_key = "value"
bare-key = "value"
1234 = "value"
"127.0.0.1" = "value"
"character encoding" = "value"
"ʎǝʞ" = "value"
'key2' = "value"
'quoted "value"' = "value"
"key \"containing\" backslash" = 6
'key \"containing" backslash\' = 6
"" = "blank"
'' = 'blank'
name = "Orange"
physical.color = "orange"
physical.shape = "round"
site."google.com" = true
3.14159 = "pi"
hello . world = "!"
hello = "World!"