data_proper_char_reference
loop_
_simple_char_key_loop_key
_simple_char_key_loop_item_char
_simple_char_key_loop_item_numb
A a 1
B b 2
C c 3
D d 3
E e 2
F f 1
a a 4
b b 5
? ? ?
. . .

data_proper_numb_reference
loop_
_simple_numb_key_loop_key
_simple_numb_key_loop_item_char
_simple_numb_key_loop_item_numb
1.1 a 1
2.22 b 2
3.33 c 3
.4 d 3
5 e 2
6 f 1
? ? ?
. . .

data_non-unique_char_reference
loop_
_simple_char_key_loop_key
_simple_char_key_loop_item_char
_simple_char_key_loop_item_numb
A a 1
B b 2
C c 3
D d 3
E e 2
F f 1
A a 4
B b 5
a a 4
b b 5

data_proper_numb_reference
loop_
_simple_numb_key_loop_key
_simple_numb_key_loop_item_char
_simple_numb_key_loop_item_numb
1.1 a 1
1.100 b 2
11E-1 c 3
.11E1 d 3
1.1(1) e 2
1.1 f 1
