Original r, width: 3
lower.0 = 1
lower.1 = 2.5
upper.0 = 4
upper.1 = 5

Negated r, width: 5
lower.0 = -4
lower.1 = 2.5
upper.0 = 1
upper.1 = 5

Mixed.0           = 0
Mixed.1           = 1
Mixed.2           = 2
Mixed.3           = This is item 1
Mixed.4           = item 2: arrays can contain mixed types
Mixed.5           = 123
Mixed.6           = true
map.0^2           = 0
map.1^2           = 1
map.2^2           = 4
map.3^2           = 9
map.4^2           = 16
map.tada          = mixed types -- no surprise
numeric.char-num  = 97
numeric.char-text = a
numeric.fooF      = 3.14159
numeric.fooI      = 42
test str          = Hello world!
vector.0          = 0
vector.1          = 1
vector.2          = 4
vector.3          = 9
vector.4          = 16
vector.5          = can also handle mixed