Screenshot
Steps to reproduce:
1.Open the editor for a page
2.Add a text or a link or a numbered list
3.Copy a math formula from another VE
4.Paste it into the next line after step 2
5.Save the page
Observed Result:
The math formula is getting merged with the previous element
Please check :http://en.wikipedia.beta.wmflabs.org/wiki/Mathpaste20th
Version: unspecified
Severity: normal
Attached: