non-IDNA LDH Label ?

[=JeffH]

Is it correct to define the notion of "non-IDNA LDH Labels" as the union of 
"NR-LDH labels" and "Fake A-labels" ?

(figure 1 from -idnabis-defs-13 included below for convenience)

In other words, do "Fake A-labels" exist in the wild (whether or not their 
creation was purposeful or inadvertant) ?

thanks,

=JeffH

        __________________________________________________________________
        |                              ASCII-LABEL                       |
        |    _________________________________________________________   |
        |    |            LDH-LABEL (1) (4)                          |   |
        |    |  ___________________________________                  |   |
        |    |  |IDN Reserved LDH Labels          |                  |   |
        |    |  | ("??--") or R-LDH LABELS        | _______________  |   |
        |    |  | _______________________________ | |NON-RESERVED |  |   |
        |    |  | |       XN LABELS             | | | LDH LABELS  |  |   |
        |    |  | | _____________   ___________ | | | (NR-LDH     |  |   |
        |    |  | | | A-labels  |   | Fake (3) || | |   LABELS)   |  |   |
        |    |  | | | "xn--"(2) |   | A-labels || | |_____________|  |   |
        |    |  | | |___________|   |__________|| |                  |   |
        |    |  | |_____________________________| |                  |   |
        |    |  |_________________________________|                  |   |
        |    |_______________________________________________________|   |
        |       __________________________________                       |
        |       |            NON-LDH-LABEL       |                       |
        |       |      ______________________    |                       |
        |       |      | Underscore labels  |    |                       |
        |       |      |  e.g. _tcp         |    |                       |
        |       |      |____________________|    |                       |
        |       |      | Labels with leading|    |                       |
        |       |      | or trailing        |    |                       |
        |       |      | hyphens "-abcd"    |    |                       |
        |       |      | or "xyz-"          |    |                       |
        |       |      | or "-uvw-"         |    |                       |
        |       |      |____________________|    |                       |
        |       |      | Labels with other  |    |                       |
        |       |      | non-LDH ASCII chars|    |                       |
        |       |      | e.g. #$%_          |    |                       |
        |       |      |____________________|    |                       |
        |       |________________________________|                       |
        |________________________________________________________________|