case: <MATH>''</MATH>
node: [Tag(math, [Text('')])]
warn: []

case: <NOWIKI>''</NOWIKI>
node: [Tag(nowiki, [Text('')])]
warn: []

case: <mAtH>''</MaTh>
node: [Tag(math, [Text('')])]
warn: []

case: <math>''</math>
node: [Tag(math, [Text('')])]
warn: []

case: <math>''alpha
node: [Text(<math>), Italic, Text(alpha)]
warn: [Warning(MissingEndTagRewinding)]

case: <nOwIkI>''</NoWiKi>
node: [Tag(nowiki, [Text('')])]
warn: []

case: <nowiki>\n*alpha\n</nowiki>
node: [Tag(nowiki, [Text(\n*alpha\n)])]
warn: []

case: <nowiki>\n=alpha=\n</nowiki>
node: [Tag(nowiki, [Text(\n=alpha=\n)])]
warn: []

case: <nowiki>''</nowiki>
node: [Tag(nowiki, [Text('')])]
warn: []

case: <nowiki>''alpha
node: [Text(<nowiki>), Italic, Text(alpha)]
warn: [Warning(MissingEndTagRewinding)]

case: <nowiki><!-- alpha --></nowiki>
node: [Tag(nowiki, [Text(<!-- alpha -->)])]
warn: []

case: <nowiki>{{</nowiki>
node: [Tag(nowiki, [Text({{)])]
warn: []

case: <nowiki>{{alpha}}</nowiki>
node: [Tag(nowiki, [Text({{alpha}})])]
warn: []

case: <nowiki>}}</nowiki>
node: [Tag(nowiki, [Text(}})])]
warn: []