Copied from bug 58347:
1.Create a page "A" with three links in three consecutive lines.
2.Create another page "B" where you will copy these links to.
3.Copy the first and second link to "B"
4.Save it.
5.Reopen the editor.
6.Now copy the third link and paste it to the third line of "B"
7.Save it.
Observed Result:
The second and the third link in page B is getting merged.
Example Pages:
A:http://en.wikipedia.beta.wmflabs.org/wiki/19th_december_source?veaction=edit
B:http://en.wikipedia.beta.wmflabs.org/wiki/19th_destination
Version: unspecified
Severity: normal