Hi Andrew

The “red screen of death” is triggered by untrapped JavaScript errors. In 
general, there are no guarantees as to the internal state of the system after 
an error because it will have been left in an intermediate state. That’s why 
the only good general advice is to restart TiddlyWiki. In practice, some errors 
are more recoverable than others, but continuing after an RSOD is inherently 
risky.

> Roughly half the time when I get the RSOD, when I click on the offending 
> tiddler to amend it, I get another RSOD telling me Node is not defined. I 
> know that; I don't use it. I do my development in the browser. Why do I need 
> to see this message, and more particularly, why is not having Node - I 
> thought it was optional - so serious as to cause an RSOD?

The error message here is referring to a variable called “Node”, which is part 
of the standard DOM specification, and nothing to do with Node.js.

Best wishes

Jeremy.

> 
> Thanks, Andrew
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