document{()},

document{()},

document{()},

document{""},

document{""},

document{text{()}},

document{text{()}},

document{text{"text1"}},

document{text{"text2"}},

document{<f/>},

<e1/>,

<e2/>,

<e3/>,

<e3 attr1="value1"/>,

attribute name {"value"},

text{()},

text{"text3"},

<e5>

    text4

    <e/>

    text5

    <?target data?>

    <!-- comment -->

    <e6 attr2="value2" attr3="value2"/>

    <e6 attr2="value3" attr3="value3"/>

    <e6 attr2="value4" attr3="value4"/>

</e5>,

<?target data?>,

<!-- comment -->,

<e xmlns="http://example.com/"/>,

<p:e xmlns:p="http://example.com/"/>