Via a forEeach I get:

*tiddlerA
** contentA
*tiddlerB
**contentB
etc

The second level bullets are from a simple <<tiddler "tiddler.title">> 
inside the fET. However, sometimes there is no content resulting in empty 
second-levels. How can I prevent this (inside the fET)? For example, can I 
put a condition in the tiddler macro to test if there is any text, but also 
format the output to return ** and \n only if the condition is true - and 
if it's not true it returns nothing?

Thank you!

<:-)

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