X-Git-Url: http://pere.pagekite.me/gitweb/homepage.git/blobdiff_plain/c7407d15cbda036fdd42e84110442130cac59817..2411615a604bb7b4eadd225750279529539baf08:/blog/archive/2017/02/02.rss

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@@ -6,6 +6,35 @@
                 <link>http://people.skolelinux.org/pere/blog/</link>
 
 	
+	<item>
+		<title>Detect OOXML files with undefined behaviour?</title>
+		<link>http://people.skolelinux.org/pere/blog/Detect_OOXML_files_with_undefined_behaviour_.html</link>        
+		<guid isPermaLink="true">http://people.skolelinux.org/pere/blog/Detect_OOXML_files_with_undefined_behaviour_.html</guid>
+                <pubDate>Tue, 21 Feb 2017 00:20:00 +0100</pubDate>
+		<description>&lt;p&gt;I just noticed
+&lt;a href=&quot;http://www.arkivrad.no/aktuelt/riksarkivarens-forskrift-pa-horing&quot;&gt;the
+new Norwegian proposal for archiving rules in the goverment&lt;/a&gt; list
+&lt;a href=&quot;http://www.ecma-international.org/publications/standards/Ecma-376.htm&quot;&gt;ECMA-376&lt;/a&gt;
+/ ISO/IEC 29500 (aka OOXML) as valid formats to put in long term
+storage.  Luckily such files will only be accepted based on
+pre-approval from the National Archive.  Allowing OOXML files to be
+used for long term storage might seem like a good idea as long as we
+forget that there are plenty of ways for a &quot;valid&quot; OOXML document to
+have content with no defined interpretation in the standard, which
+lead to a question and an idea.&lt;/p&gt;
+
+&lt;p&gt;Is there any tool to detect if a OOXML document depend on such
+undefined behaviour?  It would be useful for the National Archive (and
+anyone else interested in verifying that a document is well defined)
+to have such tool available when considering to approve the use of
+OOXML.  I&#39;m aware of the
+&lt;a href=&quot;https://github.com/arlm/officeotron/&quot;&gt;officeotron OOXML
+validator&lt;/a&gt;, but do not know how complete it is nor if it will
+report use of undefined behaviour.  Are there other similar tools
+available?  Please send me an email if you know of any such tool.&lt;/p&gt;
+</description>
+	</item>
+	
 	<item>
 		<title>Ruling ignored our objections to the seizure of popcorn-time.no (#domstolkontroll)</title>
 		<link>http://people.skolelinux.org/pere/blog/Ruling_ignored_our_objections_to_the_seizure_of_popcorn_time_no___domstolkontroll_.html</link>