Additional Information

Comparable proposals

of other authors see here

Changes by 27 August 2023

Changes on 27 August 2023:

• Small changes in 4.1.1, 4.1.2.b, 4.1.2.c, 4.1.3 and 4.4

Changes on 2 July 2023:

• addition in 4.1.3
• some small adjustments

Changes on 9 June 2023:

• changes in 4.1.3 and appendix D
• shortend in 3. and 4.1.2.c

Changes on 7 May 2023:

• in 4.1.3 new paragraph
• 4.1.2.a shortened
• several small changes

Changes on 10 February 2022:

• Only small changes in introduction. (In German version changes in many places because of change of the word for "employees".)

Changes on 24 January 2022:

• Small changes/additions, also in 4.1.1

Changes from 2001 till 2021 are not listed here any more.

Versions of the text as pdf file

Version from 27 August 2023
Old versions: 2 July 2023, 9 June 2023, 7 May 2023, 10 Feb. 2022, 24 Jan. 2022, 23 Nov. 2021, 11 Oct. 2021, 4 Oct. 2021, 21 Feb. 2021, 24 Jan. 2021, 15 Jan. 2021, 30 Aug. 2020, 10 May 2020, 24 Feb. 2020, 5 Feb. 2020, 12 Jan. 2020, 6 Jan. 2020, 17 Nov. 2019, 14 Oct. 2019, 15 Sept. 2019, 1 Sept. 2019, 28 April 2019, 21 Jan. 2019, 23 Sept. 2018, 21 May 2018, 1 May 2017, 10 Jan. 2016, 31 Dec. 2012, 14 Aug. 2009, 11 March 2007, 25 Oct. 2005, 1 Oct. 2004, 18 March 2004, 9 Dec. 2003.