From: Sergey M. <dstftw@gmail.com>
Date: Sun, 28 Dec 2014 19:53:59 +0000 (+0600)
Subject: Merge pull request #4590 from derrotebaron/master
X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=commitdiff_plain;h=0fa629d05bb521133f808b373fd92c9835275e48;p=youtube-dl

Merge pull request #4590 from derrotebaron/master

[archiveorg] most metadata fields are optional
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0fa629d05bb521133f808b373fd92c9835275e48