Lars Ingebrigtsen <
larsi@gnus.org> writes:
> Mauro Aranda <
maurooaranda@gmail.com> writes:
>
>> I wonder if we could just document the :type-error property. So
>> anybody that uses a custom :match function with additional checks can
>> put there the information they like to show the user when something goes
>> wrong. So the defcustom posted would be something like:
>>
>> (defcustom bounded-num 999
>> "Positive, bounded number"
>> :type '(integer :match (lambda (widget value) (and (integerp value)
>> (> value 0)
>> (< value 1000)))
>> :type-error "Value should be an integer between 0 and 1000"))
>>
>> That's easy, and would solve the main problem here. WDYT?
>
> I think that's a very good idea.
Great! Here's my attempt:
0001-Document-type-error-property-for-customization-types.patch