Re: $r->document_root

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Geoffrey Young wrote:
>>The question is whether we want to make that docroot change persistent
>>across requests [1] or per-request[2]. Geoff's proposal matches the
>>former [1]behavior, whereas Joe's the latter[2].
>>
>>I tend to think that per-request[2] is the sane solution. That's because
>>you can never know whether this value was already modified or not when
>>you hit a new process. So you will always try to change it, in which
>>case per-request[2] makes the most sense.
>>
>>the only cons is that it's different from mp1 behavior, but as the above
>>explains it makes no difference (I believe).
> 
> 
> automatic per-request is definitely the way to go if we can do it - people
> just don't understand the unusual scoping of this field, so helping them
> along is probably best.

sure, let's do that.

Joe, would you like to merge in the code you've posted before or do you 
want me to handle that?


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