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<h2>News</h2>
<h3><a href="projects/dfdl-wg.html">DFDL WG</a>:
<a href="news/100.html">Daffodil now runs NACHA DFDL Schema</a>
</h3>
<p class="author">Added by <a href="users/91.html">Michael Beckerle</a> <acronym title="01/11/2017 03:51 PM">almost 6 years</acronym> ago</p>
<div class="wiki">
<p>Tresys Technology is pleased to announce that the <a href="https://opensource.ncsa.illinois.edu/confluence/display/DFDL" class="external">Daffodil</a> open source DFDL implementation is now able to run the <a href="https://github.com/DFDLSchemas/NACHA" class="external">NACHA Electronic Payment messages DFDL schema</a>.</p>
<p>This demonstrates an increase in interoperability for Daffodil with DFDL schemas created and tested on the <a href="http://www.ibm.com/support/knowledgecenter/SSMKHH_10.0.0/com.ibm.etools.mft.doc/df20060_.htm" class="external">IBM DFDL implementation</a>.</p>
<p>The version of Daffodil that has this functionality is still pre-release, but the forthcoming Daffodil 2.0.0 release will incorporate this capability. (Daffodil 2.0.0 development snapshots newer than 2017-01-11 can also be used.)</p>
<p>The <a href="https://github.com/DFDLSchemas/NACHA" class="external">NACHA Electronic Payment messages DFDL schema</a> was originally created and tested by IBM in 2014.</p>
</div>
<h3><a href="projects/dfdl-wg.html">DFDL WG</a>:
<a href="news/98.html">Daffodil 2.0.0 - Release Announcement</a>
</h3>
<p class="author">Added by <a href="users/91.html">Michael Beckerle</a> <acronym title="09/28/2016 02:16 PM">about 6 years</acronym> ago</p>
<div class="wiki">
<p>Tresys and the Daffodil project are pleased to announce the first<br />release candidate of Daffodil 2.0.0, the open source implementation <br />of DFDL v1.0</p>
<p>Notable changes since Daffodil 1.1.0 include unparse achieving full<br />feature parity with parse, support for additional unparse only<br />properties such as outputValueCalc, fillByte,<br />truncateSpecifiedLengthString, etc., numerous bug fixes in parse, and<br />improved parse performance.</p>
<p>The release candidate has been tagged as 2.0.0-rc1 in the git repo:</p>
<p><a class="external" href="https://opensource.ncsa.illinois.edu/bitbucket/projects/DFDL/repos/daffodil/browse">https://opensource.ncsa.illinois.edu/bitbucket/projects/DFDL/repos/daffodil/browse</a></p>
<p>The release is also available for downloaded from the Daffodil Artifacts<br />page:</p>
<p><a class="external" href="https://opensource.ncsa.illinois.edu/projects/artifacts.php?key=DFDL&version=2.0.0-rc1">https://opensource.ncsa.illinois.edu/projects/artifacts.php?key=DFDL&version=2.0.0-rc1</a></p>
<p>Daffodil will now enter the test phase, which we expect to last<br />approximately 3 weeks, followed by the official release of Daffodil 2.0.0.</p>
<p>Please give the release candidate a test and let us know if you find any<br />issues. To report bugs or ask any questions, the development team is<br />available on the Daffodil users mailing list:</p>
<pre><code><a class="external" href="http://oss.tresys.com/mailman/listinfo/daffodil-users">http://oss.tresys.com/mailman/listinfo/daffodil-users</a></code></pre>
<p>as well as XMPP HipChat:</p>
<pre><code><a class="external" href="http://hipchat.ncsa.illinois.edu/gvZdmJHmq">http://hipchat.ncsa.illinois.edu/gvZdmJHmq</a></code></pre>
<p>or via the JIRA Daffodil bug tracker:</p>
<pre><code><a class="external" href="https://opensource.ncsa.illinois.edu/jira/projects/DFDL/summary">https://opensource.ncsa.illinois.edu/jira/projects/DFDL/summary</a></code></pre>
<p>On behalf of the Daffodil team,<br />- Steve Lawrence</p>
</div>
<h3><a href="projects/dfdl-wg.html">DFDL WG</a>:
<a href="news/94.html">Unparsing - that's what we call it</a>
</h3>
<p class="author">Added by <a href="users/91.html">Michael Beckerle</a> <acronym title="06/07/2016 04:09 PM">over 6 years</acronym> ago</p>
<div class="wiki">
<p>Everyone agrees about the term "parsing", but the inverse of that, well there has been some controversy. Some people use the term "serialization", others prefer "marshalling". In DFDL we have long used the term "unparsing", but somehow that made people uncomfortable in that it felt like we were making up words that didn't really exist.</p>
<p>Well, it was recently discovered that <a href="https://en.wiktionary.org/wiki/unparse#English" title="unparse" class="external">Wiktionary</a> and <a href="https://en.wikipedia.org/wiki/Unparser" title="unparsing" class="external">Wikipedia</a> provide definitions.</p>
<p>These aren't the Oxford English dictionary, but they represent sufficient usage and agreement that we're going to stop apologizing for the term unparsing.</p>
</div>
<h3><a href="projects/dfdl-wg.html">DFDL WG</a>:
<a href="news/82.html">Daffodil 1.0 DFDL Implementation Released</a>
</h3>
<p class="author">Added by <a href="users/91.html">Michael Beckerle</a> <acronym title="03/03/2015 03:10 PM">over 7 years</acronym> ago</p>
<div class="wiki">
<p>Tresys Technology, LLC is pleased to announce the release of Daffodil<br />1.0! Binaries are available at:</p>
<pre><code><a class="external" href="https://opensource.ncsa.illinois.edu/projects/artifacts.php?key=DFDL">https://opensource.ncsa.illinois.edu/projects/artifacts.php?key=DFDL</a></code></pre>
<p>Daffodil is the open source implementation of the Open Grid Forum's<br />Data Format Description Language (DFDL) specification.</p>
<pre><code><a class="external" href="http://www.ogf.org/dfdl">http://www.ogf.org/dfdl</a></code></pre>
<p>DFDL is a language capable of describing many data formats, including<br />textual and binary, commercial record-oriented, scientific and numeric,<br />modern and legacy, and many industry standards. It leverages XML<br />technology and concepts, using a subset of W3C XML schema type system<br />and annotations to describe such data formats. Daffodil uses this<br />description to parse data into an XML infoset for ingestion and validation.</p>
<p>Daffodil 1.0 is a monumental milestone that denotes stability and<br />usability, and is ready for general availability. Major features<br />that make up this release include:</p>
<p>- Command line interface available for Linux, Windows, and Mac<br />- API available in both Java and Scala<br />- Interactive debugger to incrementally step through a parse<br />- Test harness using Test Data Markup Language (TDML)<br />- Ability to save and reload Daffodil parsers<br />- Support for parsing both textual and binary data<br />- Unbounded lookahead with backtracking guided by asserts and<br /> discriminators<br />- Numeric representations in text and two's complement binary<br />- Reusable definitions of formats and escape schemes<br />- DFDL expressions and variables for dynamic formats<br />- Delimited text with initiators, terminators, and separators<br />- Text justification (left, right, or center) with padding<br />- Binary data alignment, byte order, and bit order<br />- Fixed and variable data lengths<br />- Simple types like string, integer, floating point, hexBinary, date,<br /> and time<br />- Ordered sequences and choices<br />- Arrays with fixed or variable repetitions<br />- XSD facets and restrictions for validation</p>
<p>Although Daffodil has reached this milestone, Daffodil continues active<br />development, with some features not yet available. Changes planned for<br />the future include:</p>
<p>- Unparsing support<br />- Performance improvements<br />- Unordered sequences<br />- New variable instances<br />- Boolean and binary calendar types<br />- Fixed and default XSD attributes<br />- IBM Mainframe numeric representations, including packed and zoned<br /> binary<br />- Bi-directional text<br />- Floating elements</p>
<p>For a more detailed list of unsupported features, visit the unsupported<br />features and errata pages:</p>
<p><a class="external" href="https://opensource.ncsa.illinois.edu/confluence/display/DFDL/Unsupported+Features">https://opensource.ncsa.illinois.edu/confluence/display/DFDL/Unsupported+Features</a></p>
<p><a class="external" href="https://opensource.ncsa.illinois.edu/confluence/display/DFDL/Unsupported+Errata">https://opensource.ncsa.illinois.edu/confluence/display/DFDL/Unsupported+Errata</a></p>
<p>For a complete list of all open tickets, visit the Daffodil bug tracker:</p>
<pre><code><a class="external" href="https://opensource.ncsa.illinois.edu/jira/browse/DFDL/">https://opensource.ncsa.illinois.edu/jira/browse/DFDL/</a></code></pre>
<p>For more information on Daffodil, visit the Daffodil wiki:</p>
<pre><code><a class="external" href="https://opensource.ncsa.illinois.edu/confluence/display/DFDL/">https://opensource.ncsa.illinois.edu/confluence/display/DFDL/</a></code></pre>
<p>For questions and support, the development team is available on the<br />Daffodil mailing list:</p>
<pre><code><a class="external" href="http://oss.tresys.com/mailman/listinfo/daffodil-users">http://oss.tresys.com/mailman/listinfo/daffodil-users</a></code></pre>
<p>as well as XMPP HipChat:</p>
<pre><code><a class="external" href="http://hipchat.ncsa.illinois.edu/gvZdmJHmq">http://hipchat.ncsa.illinois.edu/gvZdmJHmq</a></code></pre>
<p>If you are interested in becoming a Daffodil contributor, visit the<br />daffodil wiki or the developers mailing list:</p>
<pre><code><a class="external" href="https://opensource.ncsa.illinois.edu/confluence/display/DFDL/">https://opensource.ncsa.illinois.edu/confluence/display/DFDL/</a></code></pre>
<pre><code><a class="external" href="http://oss.tresys.com/mailman/listinfo/daffodil-dev">http://oss.tresys.com/mailman/listinfo/daffodil-dev</a></code></pre>
<p>Thanks to everyone that has helped to make this milestone possible!</p>
</div>
<h3><a href="projects/dfdl-wg.html">DFDL WG</a>:
<a href="news/80.html">Experience document - bitOrder and MIL-STD-2045 - updated.</a>
</h3>
<p class="author">Added by <a href="users/91.html">Michael Beckerle</a> <acronym title="02/24/2015 11:47 AM">over 7 years</acronym> ago</p>
<div class="wiki">
<p>Some public comments were received on this document, and it has been updated accordingly, and is now published as [<a href="https://www.ogf.org/documents/GFD.216.pdf" class="external">GFD 216</a>].</p>
<p>This document summarizes the changes to DFDL motivated by the MIL-STD-2045 format which required adding the dfdl:bitOrder property to DFDL to handle "least significant bit first" data. The material in this document has been incorporated into the DFDL v1.0 specification.</p>
</div>
<h3><a href="projects/redmine-og.html">Redmine</a>:
<a href="news/77.html">OGF Redmine and primary web sites are now https by default</a>
</h3>
<p class="author">Added by <a href="users/1.html">Redmine Admin</a> <acronym title="12/24/2014 08:26 AM">almost 8 years</acronym> ago</p>
<div class="wiki">
<p>The primary web site and user group repository, working group document preparation and wiki pages now use secure https connections with high-quality extended validation certificates provided by our Silver sponsor, <a href="https://www.digicert.com/" class="external">DigiCert Inc</a> . These certificates are validated to our domain and verifiably logged to our domain to prevent spoofing, using a mechanism originally proposed by <a href="https://www.google.com/intl/en/about/" class="external">Google, inc.</a> to avoid certificate hijacking known as <a href="http://www.certificate-transparency.org/" class="external">Certificate Transparency</a> . More information on Certificate Transparency and the underlying technology is available <a href="https://www.digicert.com/certificate-transparency/" class="external">in this article on the DigiCert website</a> .</p>
<p>All accesses to <a class="external" href="http://www.ogf.org/">http://www.ogf.org</a> or <a class="external" href="index.html">http://redmine.ogf.org</a> will now redirect automatically to their https equivalents.</p>
</div>
<h3><a href="projects/dfdl-wg.html">DFDL WG</a>:
<a href="news/74.html">DFDL Schema for MIL-STD-2045 binary message header - updated</a>
</h3>
<p class="author">Added by <a href="users/91.html">Michael Beckerle</a> <acronym title="12/02/2014 11:46 AM">almost 8 years</acronym> ago</p>
<div class="wiki">
<p>This schema has been updated based on thorough review of the original version. The result is greatly superior. It is far simpler now, and is a much better illustration of how to use the dfdl:bitOrder property, which was added to DFDL in order to support this sort of dense binary data formats.</p>
<p>Conformance with the DFDL specification has also been improved - Some missing properties that are required by the DFDL standard are now present. Also, prior versions were depending upon some artifacts of the Daffodil DFDL implementation that are not conforming (and those bugs have been reported.)</p>
<p>This DFDL schema can be used with the <a href="https://opensource.ncsa.illinois.edu/confluence/display/DFDL/Daffodil%3A+Open+Source+DFDL" class="external">Daffodil DFDL</a> implementation -- where the dfdl:bitOrder feature of DFDL was prototyped and implemented.</p>
</div>
<h3><a href="projects/dfdl-wg.html">DFDL WG</a>:
<a href="news/71.html">DFDL schemas for vCard</a>
</h3>
<p class="author">Added by <a href="users/62.html">Steve Hanson</a> <acronym title="11/05/2014 07:10 AM">almost 8 years</acronym> ago</p>
<div class="wiki">
<p>A new repository has been added to the DFDLSchemas GitHub website which contains DFDL schemas for the vCard standard.</p>
<p>The initial schemas in the repository model vCard 2.1.</p>
<p>The schemas are compatible with IBM DFDL 1.1.1 release, as shipped in IBM Integration Bus 9.0.0.2 onwards.</p>
<p>Full details in the repository readme at <a class="external" href="https://github.com/DFDLSchemas/vCard">https://github.com/DFDLSchemas/vCard</a>.</p>
</div>
<h3><a href="projects/dfdl-wg.html">DFDL WG</a>:
<a href="news/70.html">Updated DFDL 1.0 Specification published</a>
</h3>
<p class="author">Added by <a href="users/62.html">Steve Hanson</a> <acronym title="11/05/2014 07:07 AM">almost 8 years</acronym> ago</p>
<div class="wiki">
<p>The updated DFDL 1.0 specification is <a class="external" href="http://www.ogf.org/documents/GFD.207.pdf">http://www.ogf.org/documents/GFD.207.pdf</a>. This obsoletes the original specification GFD.174. Also published are two DFDL experience documents <a class="external" href="http://www.ogf.org/documents/GFD.214.pdf">http://www.ogf.org/documents/GFD.214.pdf</a> and <a class="external" href="http://www.ogf.org/documents/GFD.215.pdf">http://www.ogf.org/documents/GFD.215.pdf</a>.</p>
</div>
<h3><a href="projects/dfdl-wg.html">DFDL WG</a>:
<a href="news/67.html">DFDL Experience document 'Bit Order' is in public comment</a>
</h3>
<p class="author">Added by <a href="users/62.html">Steve Hanson</a> <acronym title="09/18/2014 03:24 AM">about 8 years</acronym> ago</p>
<div class="wiki">
<p>Modeling a MIL-STD-2045 header in DFDL v1.0 is not possible without the addition of new capabilities for specifying bit order and non-standard encodings. There are many related military-standard binary data formats which are similar, and so cannot be modeled in DFDL.This document describes the new properties and property values that are required to successfully model this format.</p>
<p>Document and comment forum here: s<a class="external" href="projects/editor-pubcom/boards/21.html">http://redmine.ogf.org/projects/editor-pubcom/boards/21</a></p>
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