Text folding in matlab is not working

问题

Text folding is not working in my matlab 2013. I enabled everything in preferences Editor/Debugger, but still no luck. Below is an example of what I am trying to fold.

test = 5;

%%
t =7;

%%

回答1:

What did you enable in the preferences? In R2013a you should go to Preferences > Editor/Debugger > Code Folding and click the Enable checkbox for Sections that is off by default. Then click Apply or OK. Here's an annotated screen capture of Code Folding pane of my preferences:

You should see a little minus toggle button appear to the left of the first %% instance in your example:

                                    

Clicking the toggle button will fold the section of code. You will also find other options and keyboard shortcuts under the contextual menu by right-clicking or control-clicking.

来源：https://stackoverflow.com/questions/21197516/text-folding-in-matlab-is-not-working