Anchor to Cell Text or Text Animation don't work in XLSX.
Steps to reproduce:
1. Open file saved as XLSX with Text or Text Animation. On Text click right mouse button and choose Anchor-> To Cell. Now save and close file.
2. Again open saved file XLSX and click right mouse button on Text, choose Anchor. Now you see that your Text or Text Animation is not Anchor to Cell only to Page.
Operating System: Windows 8
Version: 126.96.36.199 rc
Created attachment 73695 [details]
Anchor to Cell Text or Text Animation don't work in XLSX - the source file
Created attachment 73696 [details]
Anchor to Cell Text or Text Animation don't work in XLSX - the source file 2
Confirming. There is definitely something not right about saving cell-anchored objects to xlsx.
I'll put Noel on CC.
*** This bug has been marked as a duplicate of bug 58360 ***