Re: Emacs and proxy on w32

[Lennart Borgman <lennart.borgman.073@student.lu.se>]

Jason Rumney wrote:

>Lennart Borgman <lennart.borgman.073@student.lu.se> writes:
>
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>>I did not believe it was such a mess.
>>    
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>It's not a mess. Although it is theoretically possible to write
>complicated autoproxy scripts that use a different proxy for different
>hosts, in practice all anyone ever uses is a single proxy and a list
>of no-proxy hosts.
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How does one find out this single proxy and the list of no-proxy hosts 
then? Is not that complicated procedure with perhaps an ECMAscript to 
call required?

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>>While looking more at this I found that MS actually are providing an
>>API (WinHttpGetProxyForUrl) for this now on XP and W2k.
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>It is not an OS API, it is an Internet Explorer API, and the first
>parameter is a handle to an open "INTERNET_SESSION", created by
>another function in the same API, so if you start down that road
>you'll end up having to continue, and that would restrict the
>networking capabilities of Emacs to what is supported by IE. Not to
>mention that IE is not Free, and thus unsuitable to build Free
>software on top of.
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I do not understand the difference between an OS and and IE API. Could 
you explain? There is a page about WinHTTP that does not seem to make 
such difference between WinINet and WinHTTP:

http://msdn.microsoft.com/library/default.asp?url=/library/en-us/winhttp/http/about_winhttp.asp