I closed MATLAB and when I re-opened it, all my code sections were gone. I had previously enabled code folding around code sections as well and I can no longer do this.
For example, I have a code which has:
Previously, I could fold up the first section and run it separately from the second section. Now these code sections have disappeared. Any help or info is greatly appreciated.
I also cannot fold up my for, if, while statements etc. I have checked in Preferences and Code Folding is enabled.