bug#24694: Document url--allow-chars for external use?

[Hong Xu]

On 10/14/2016 12:02 PM, Eli Zaretskii wrote:
>> From: Hong Xu <hong@topbug.net>
>> Date: Fri, 14 Oct 2016 11:24:52 -0700
>>
>> Currently url-hexify-string has an optional argument allowed-chars,
>> which is a long vector. However, it is more natural to specify a list of
>> characters. Internally, the default value of allowed-chars is specified
>> by converting a list of chars to such a vector by using an internal
>> function url--allow-chars. I would like to suggest to document
>> url--allow-chars for external use, thus we can improve the interface of
>> the url-hexify-string function.
>>
>> I can draft the document change, if you agree with me.
> 
> Isn't it better to teach url-hexify-string to accept lists as well?
> 
Yes, that would be even better.

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