[Users] Claws mail: 'nested' (compound) simple filtering

[Victoria S.]

Whoops!  Re:

> INTENTION:
> 
> s drink & (s sugar | s sweet)   ##  << error: used | ("NOT") operator; intended ! or ~ ("OR") operator
> 
> equivalent to
> 
> s drink* "AND" [s sugar* "NOT" s sweet*] 

that should be

INTENTION:

s drink & (s sugar ! s sweet)   ## << as (originally) intended, using the ! (equiv. to: ~) "NOT" operator

equivalent to

s drink* "AND" [s sugar* "NOT" s sweet*] 

SOLUTION:

s drink & s sugar & ~s sweet

etc.

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