bug#16834: 24.3.50; num3-mode detects long hex numbers as decimal

[Stefan Monnier]

> Perhaps this would be better:

> (defconst num3--number-re
>   (concat "[0#][xX]\\([[:xdigit:]]+\\)"      ; 1 = hexadecimal
>        "\\|\\(?1:\\b\\(?:[0-9]+[a-fA-F]\\|"  ; 1 = hexadecimal
>                 "[a-fA-F]+[0-9]\\)[[:xdigit:]]*\\b\\)"  
>        "\\|\\([0-9]+\\)"                         ; 2 = decimal
>        "\\|\\.\\([0-9]+\\)"))                    ; 3 = fraction

> So there would have to be at least one decimal digit and the whole
> sequence would have to be a complete word (i.e. 1000Ah, which would be
> a pretty big battery, won't be highlighted as a hexadecimal number).

Sounds good.  Can you install that?


        Stefan