bug#13177: 24.3.50; doc of `read-char-by-name'

[Stefan Monnier]

>> Dunno just what the intention was for this function.  If it really
>> was to return a recognized Unicode character then this is a product
>> bug and reading should not end until the user enters matching input
>> (or hits `C-g').
> As its docstring says, it also accepts a hexadecimal number
> of Unicode code whose input can't use completion.

That does not preclude using require-match.


        Stefan