Last modified: 2012-04-12 13:54:29 UTC

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Bug 20950 - Diff fails to report entire sentence change
Diff fails to report entire sentence change
Status: RESOLVED WORKSFORME
Product: MediaWiki
Classification: Unclassified
History/Diffs (Other open bugs)
1.16.x
All All
: Normal major (vote)
: ---
Assigned To: Nobody - You can work on this!
http://en.wikipedia.org/w/index.php?t...
:
Depends on:
Blocks:
  Show dependency treegraph
 
Reported: 2009-10-02 14:54 UTC by James Bowery
Modified: 2012-04-12 13:54 UTC (History)
0 users

See Also:
Web browser: ---
Mobile Platform: ---
Assignee Huggle Beta Tester: ---


Attachments

Description James Bowery 2009-10-02 14:54:26 UTC
In the diff 

http://en.wikipedia.org/w/index.php?title=Beckstrom's_law&diff=302414567&oldid=301874808

A sentence that was added in the new version is not shown:

"It is, of course, so general as to be of no practical value whatsoever. Also it is blind to the notion of opportunity costs."

I marked this as "major" as this sentence struck me as violating NPOV and I was attempting to track down its origin.  It isn't clear that the addition of this violation can be attributed to the new version's editor.  This represents a major failure in the Wikimedia function.
Comment 1 Max Semenik 2009-10-02 14:57:44 UTC
It's shown in the diff, at the latest added paragraph.
Comment 2 James Bowery 2009-10-02 15:14:10 UTC
Thanks for catching that.  

Perhaps a feature request is appropriate here:

Highlight added text to visually distinguish it from text that has gone unchanged.



Comment 3 Max Semenik 2009-10-02 15:20:00 UTC
The problem here is that a new paragraph was added before the modified one. In such cases the diff engine can't reliably figure out what is going on, while using something like Damerau-Levenshtein distance to find changed AND moved paragraphs would be way too slow.

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