Add a post on XML Parsing with an ElixirSips episode

Signed-off-by: José Valim <[email protected]>

Author: Josh Adams

_posts/2013-12-27-parsing-xml-with-elixir.markdown

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+---
+layout: post
+title: Parsing XML With Elixir
+author: Josh Adams
+category: examples
+excerpt: An example of interoperating with Erlang's built-in `xmerl` library to parse XML.
+---
+
+In the latest free video, [ElixirSips](http://www.elixirsips.com) [Episode
+028](http://elixirsips.com/episodes/028_parsing_xml.html) provides an example of
+parsing XML via the built in `xmerl` library in Erlang.
+
+<iframe src="//fast.wistia.net/embed/iframe/pi407o195d" allowtransparency="true" frameborder="0" scrolling="no" class="wistia_embed" name="wistia_embed" allowfullscreen mozallowfullscreen webkitallowfullscreen oallowfullscreen msallowfullscreen width="640" height="360"></iframe>
+
+[Here is the project built in this episode, for you to download.](http://elixirsips.com/downloads/028_parsing_xml.tar.gz)
+
+## Resources
+- [xmerl user guide](http://www.erlang.org/doc/apps/xmerl/xmerl_ug.html)
+- [xmerl manual](http://www.erlang.org/doc/man/xmerl_scan.html)
+- [erlsom](https://github.com/willemdj/erlsom)
+- [exml](https://github.com/paulgray/exml)
+- [Differences between Erlang and Elixir records](http://elixir-lang.org/crash-course.html#notable_differences) - See the 'Records' section.
+- [Dave Thomas on parsing XML in Erlang](http://pragdave.pragprog.com/pragdave/2007/04/a_first_erlang_.html)
+- [`xmlElement` record](https://github.com/erlang/otp/blob/maint/lib/xmerl/include/xmerl.hrl#L73-L85)