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Ruby's is not known for its deftness with XML. On RubyFlow, I considered calling the community to arms over it, and solicited twenty responses on what the problem is, and what we could do about it. Robert Fischer was lamenting on the state of Ruby's libxml library, and didn't seem to like REXML much either. Tim Bray has also had a few complaints about REXML. It seemed there was a problem to be fixed; a gap in the market, as it were, for a decent XML parser for Ruby. Hpricot, despite really being an HTML parser, would have to get us by in the meantime.

Today, however, libxml-ruby 0.8.0 has been released, and Charlie Savage explains why this is such a big deal. libxml-ruby now runs on Windows (thanks to Charlie), doesn't segfault all the time, and the bindings have all been fixed over the past year (thanks to Dan Janowski). You can get going with it right now with a simple gem install libxml-ruby

libxml-ruby is known for its performance, the latest release doesn't disappoint. For a range of simple tasks, libxml clocks in at ten times quicker than Hpricot like-for-like and between 30 and 60 times faster than REXML. Charles adds:

In addition to performance, the libxml-ruby bindings provide impressive coverage of libxml's functionality. Goodies include:

• SAX
• DOM
• XMLReader (streaming interface)
• XPath
• XPointer
• XML Schema
• DTDs
• XSLT (split into the libxslt-ruby bindings)

Charles is planning to write a proper tutorial in the next week, covering some of the key features, but suggests referring to the API documentation in the meantime. The test suite (located in the test directory that comes with libxml-ruby) also looks like a great resource for code examples; very clean and straightforward. If you have any libxml-ruby tutorials or resources of your own, please post them in the comments here.

Congratulations to all of those involved in libxml-ruby's long history and especially to Charlie Savage for giving it the finish push to this mature state. Ruby's XML woes are tempered, for now at least.

Here’s a cool new service that lets blind people surf the internet from any computer.  To use it, the person must be using a Windows PC and type the URL address of the website in order to get to it.

Provided that audio is working on the PC and there’s not internet connection problems, it should be a great solution.  Well, it’s a website really.

New software, called WebAnywhere, launched today lets blind and visually impaired people surf the Web on the go. The tool developed at the University of Washington turns screen-reading into an Internet service that reads aloud Web text on any computer with speakers or headphone connections.

“This is for situations where someone who’s blind can’t use their own computer but still wants access to the Internet. At a museum, at a library, at a public kiosk, at a friend’s house, at the airport,” said Richard Ladner, a UW professor of computer science and engineering. The free program and both audio and video demonstrations are at http://webanywhere.cs.washington.edu.

via uwnews