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When I use the code editor in the site, sometimes I am not able to scroll. And I am not able to see code at the end of the editor, and not able to copy paste properly too, due the scrolling and scroll bar issues.
Could you file this as a bug here: https://github.com/processing/Processing-Hour-Of-Code/issues
Please include your operating system and browser, thank you! Hope we can get this fixed!
Actually, presently the issue doesn't exist. I used Firefox (a different version) browser and Ubuntu OS. Now, I have the latest version of Firefox and it works in it (just tested it)