Hi Tony

> 
> Can we establish a "best practice" approach such that when creating a macro 
> to return a value in the first place, say we use the text widget to create 
> "clean" value for use in filters to avoid this kind of issue. 

I’m not sure what issue? The issue here is that you were inadvertently 
wikifying a value; the fix is to not wikify it.

> In my use case, I retrieved a value from a data tiddler to set a variable 
> currentWiki, I made this a global macro so I could refer to <<currentWiki>> 
> whenever I needed it. Perhaps I should have used the text widget to ensure 
> this value was already plain text.

You should only use <<currentWiki>> to render a global macro if you want the 
content of the macro to be wikified. If you don’t, then you should use the 
<$text> or <$view> widgets.

> Alternativly could filters themself be improved to clean variables before 
> use, or would this have undesirable consequences?

What do you mean by “clean” variables?

Best wishes

Jeremy.


> 
> Regards
> Tony
> 
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