On 15/07/2015 13:39, Joseph Wright wrote:
> On 15/07/2015 13:32, Alexander Grahn wrote:
>> Good afternoon.
>>
>> According to
>>
>> http://www.latex-project.org/svnroot/experimental/trunk/l3kernel/l3obsolete.txt
>>
>> both functions were removed from the sources on 2011-09-08 (SVN 2786).
>>
>> Yet, they are still alive and documented in interface3.pdf. Are they on
>> the list by error? And if they are obsolete, which functions are meant
>> to replace them?
>>
>> Alexander
> 
> Ah, a tricky one :-)
> 
> These functions were first in expl3 many years ago (I'd have to check
> the logs for when they were first added). We had a tidy up and they were
> removed whilst the cycle for deprecation was not as defined as it is
> now. However, we later realised that as part of the now-current
> interface for this area, \io(r|w)_new:N should be restored with a
> different implementation.
> 
> Probably it is clearest if they are not in the obsolete list as a
> result: I'll remove them.
> --
> Joseph Wright

I should add that the timing here might look a bit odd as the 'old'
versions were deprecated some time before they were removed. The latter
coincided with when we revisited that area!
--
Joseph Wright