Code Sections disappeared. Cannot use %%

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Darcy
Darcy 2015-3-9
评论： CHEN YU-AN 2021-3-2
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:
A=10;
B=20;
C=A+B;
D=A*B;
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.
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Tobe freeman
Tobe freeman 2015-6-12
Me, too! It's been flakey for ages. I am a little disappointed that there is nothing about this bug on Matlab central - or stackoverflow etc.

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采纳的回答

Christopher Buchanan
It sounds like MATLAB hasn't been able to parse the entire .m file - I had a similar issue until I realised one of my if/for statements hadn't been terminated with an 'end'...maybe until MATLAB is able to parse everything completely it doesn't know how to interpret context-sensitive markers like code folders and section breaks.
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Ang Ji
Ang Ji 2019-1-18
Thanks Chris! I terminated and it works.

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