[1] GNU Diffutils.

[2] Visual Studio Code User Guide: Using Version Control in VS Code.

[3] S. Khanna, K. Kunal, B.C. Pierce: A Formal Investigation of Diff3 in Arvind V., Prasad S. (eds) FSTTCS 2007: Foundations of Software Technology and Theoretical Computer Science. FSTTCS 2007. Lecture Notes in Computer Science, vol 4855. Springer, Berlin, Heidelberg.

[4] Robin La Fontaine: When Overlapping XML Meets Changing XML Does Confusion Reign? in Markup UK 2018 Proceedings.

[5] Robin La Fontaine and Nigel Whitaker: Merge and Graft: Two Twins That Need To Grow Apart in XML Prague 2019 Conference Proceedings. February 7-9, 2019.