May be I should write more about this patch?

Sometimes svn command interactively asks user about things like 'store password in plaintext?'. It breaks Redmine's Subversion support - it just hangs. Attached patch fixes this problem.

Please apply to trunk and latest stable branch, it's trivial. :)
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+1 from my side. What´s the problem ? :-)
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Looks good to me, this might help out with some of the authentication problems people have had. Added in r2819.
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Looks like I forget to merge this into 0.8-stable for 0.8.5. Merged in r2899 as part of 0.8.6.
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