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| expr | x={} | x={a} | x={a,b} | x={null} | x={null,b} | x={a,null} | x={a,null,b} |
|---|---|---|---|---|---|---|---|
| <x> | "" | a | ab | "" | b | a | ab |
| <x; null="y"> | "" | a | ab | y | yb | ay | ayb |
| <x; separator=","> | "" | a | a,b | "" | b | a | a,b |
| <x; null="y", separator=","> | "" | a | a,b | y | y,b | a,y | a,y,b |
| <if(x)>y<endif> | "" | y | y | y | y | y | y |
| <x:{it | <it>}> | "" | a | ab | "" | b | a | ab |
| <x:{it | <it>}; null="y"> | "" | y | ab | y | yb | ay | ayb |
| <x:{it | <i>.<it>}> | "" | 1.a | 1.a2.b | "" | 1.b | 1.a | 1.a2.b |
| <x:{it | <i>.<it>}; null="y"> | "" | 1.a | 1.a2.b | y | y2.b | 1.ay | 1.ay3.b |
| <x:{it | x<if(!it)>y<endif>}; null="z"> | "" | x | abxx | z | zbzx | azxz | azbxzx |
| <x:t():u(); null={y}> | "" | a | ab | y | yb | ay | ayb |
...