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Error detection and correction: Revision history


Here you can take a look at older versions of this page, and compare different versions.

  • Click the date to see an old version.
  • To compare two versions (changes), click the circles (in separate columns) next to them. Then click the Compare button to see the differences between them.
  • You can use (cur) to compare an old version with the newest (or current) one. You can use (last) to compare any version with the one just before it.
  • The letter m next to a change means that the change was marked as small (or minor).

28 May 2025

31 July 2024

2 July 2020

5 May 2020

20 July 2019

11 October 2016

8 July 2016

4 July 2016

25 July 2013

9 March 2013

4 February 2013

28 March 2012

23 June 2011

19 March 2010

13 November 2008

3 October 2008

27 September 2008

15 September 2008

9 September 2008