Indent guideline highlighting doesn't work in Notepad++

Question

I used to use the indent guideline feature of Notepad++, but now I can't see the indent guideline. I don't know why. I'm sure that I didn't change any environment config options.

Where is there a menu I can use to turn the indent guideline on?

Answer 1

Just click the "Show Indent Guide" button in the toolbar.

Or, in the menu, select View > Show Symbol > Show Indent Guide.