  x Document
    ,-[$DIR/tests/fixture/element/math-1/input.html:1:1]
  1 | ,-> <!doctype html>
  2 | |   <html lang="en">
  3 | |   <head>
  4 | |       <title>Document</title>
  5 | |   </head>
  6 | |   <body>
  7 | |   <div style="display:none">
  8 | |       <div><math id="m1"><mtext/></math></div>
  9 | |       <div id="d1"><math><mrow/><mi/></math></div>
 10 | |       <div id="d2"><math><mrow><mrow><mn>1</mn></mrow><mi>a</mi></mrow></math></div>
 11 | |       <div id="d3">&lang;&rang;</div>
 12 | |       <div id="d4">&Kopf;</div>
 13 | |       <div id="d5"><math><semantics><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
 14 | |       <div id="d6"><math><semantics><mi>a</mi><annotation-xml encoding="text/html"><div></div></annotation-xml></semantics><mn/></math></div>
 15 | |   </div>
 16 | |   
 17 | |   <div>
 18 | |       <div><MATH id="m1"><Mtext/></math></div>
 19 | |       <div id="d1"><math><MI MATHVARIANT="BOLD" /></math></div>
 20 | |       <div id="d2"><math><semantics DEFINITIONurl="www.example.org/FOO"><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
 21 | |       <div><math id="m3span-mtext"><mtext><Span>x</Span></mtext></math></div>
 22 | |       <div><math id="m3span-mi"><mi><Span>x</Span></mi></math></div>
 23 | |       <div><math id="m3p-mtext"><mtext><P>x</P></mtext></math></div>
 24 | |       <div><math id="m3p-mi"><mi><P>x</P></mi></math></div>
 25 | |   </div>
 26 | |   </body>
 27 | `-> </html>
    `----
  x Child
   ,-[$DIR/tests/fixture/element/math-1/input.html:1:1]
 1 | <!doctype html>
   : ^^^^^^^^^^^^^^^
 2 | <html lang="en">
   `----
  x DocumentType
   ,-[$DIR/tests/fixture/element/math-1/input.html:1:1]
 1 | <!doctype html>
   : ^^^^^^^^^^^^^^^
 2 | <html lang="en">
   `----
  x Child
    ,-[$DIR/tests/fixture/element/math-1/input.html:2:1]
  1 |     <!doctype html>
  2 | ,-> <html lang="en">
  3 | |   <head>
  4 | |       <title>Document</title>
  5 | |   </head>
  6 | |   <body>
  7 | |   <div style="display:none">
  8 | |       <div><math id="m1"><mtext/></math></div>
  9 | |       <div id="d1"><math><mrow/><mi/></math></div>
 10 | |       <div id="d2"><math><mrow><mrow><mn>1</mn></mrow><mi>a</mi></mrow></math></div>
 11 | |       <div id="d3">&lang;&rang;</div>
 12 | |       <div id="d4">&Kopf;</div>
 13 | |       <div id="d5"><math><semantics><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
 14 | |       <div id="d6"><math><semantics><mi>a</mi><annotation-xml encoding="text/html"><div></div></annotation-xml></semantics><mn/></math></div>
 15 | |   </div>
 16 | |   
 17 | |   <div>
 18 | |       <div><MATH id="m1"><Mtext/></math></div>
 19 | |       <div id="d1"><math><MI MATHVARIANT="BOLD" /></math></div>
 20 | |       <div id="d2"><math><semantics DEFINITIONurl="www.example.org/FOO"><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
 21 | |       <div><math id="m3span-mtext"><mtext><Span>x</Span></mtext></math></div>
 22 | |       <div><math id="m3span-mi"><mi><Span>x</Span></mi></math></div>
 23 | |       <div><math id="m3p-mtext"><mtext><P>x</P></mtext></math></div>
 24 | |       <div><math id="m3p-mi"><mi><P>x</P></mi></math></div>
 25 | |   </div>
 26 | |   </body>
 27 | `-> </html>
    `----
  x Element
    ,-[$DIR/tests/fixture/element/math-1/input.html:2:1]
  1 |     <!doctype html>
  2 | ,-> <html lang="en">
  3 | |   <head>
  4 | |       <title>Document</title>
  5 | |   </head>
  6 | |   <body>
  7 | |   <div style="display:none">
  8 | |       <div><math id="m1"><mtext/></math></div>
  9 | |       <div id="d1"><math><mrow/><mi/></math></div>
 10 | |       <div id="d2"><math><mrow><mrow><mn>1</mn></mrow><mi>a</mi></mrow></math></div>
 11 | |       <div id="d3">&lang;&rang;</div>
 12 | |       <div id="d4">&Kopf;</div>
 13 | |       <div id="d5"><math><semantics><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
 14 | |       <div id="d6"><math><semantics><mi>a</mi><annotation-xml encoding="text/html"><div></div></annotation-xml></semantics><mn/></math></div>
 15 | |   </div>
 16 | |   
 17 | |   <div>
 18 | |       <div><MATH id="m1"><Mtext/></math></div>
 19 | |       <div id="d1"><math><MI MATHVARIANT="BOLD" /></math></div>
 20 | |       <div id="d2"><math><semantics DEFINITIONurl="www.example.org/FOO"><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
 21 | |       <div><math id="m3span-mtext"><mtext><Span>x</Span></mtext></math></div>
 22 | |       <div><math id="m3span-mi"><mi><Span>x</Span></mi></math></div>
 23 | |       <div><math id="m3p-mtext"><mtext><P>x</P></mtext></math></div>
 24 | |       <div><math id="m3p-mi"><mi><P>x</P></mi></math></div>
 25 | |   </div>
 26 | |   </body>
 27 | `-> </html>
    `----
  x Attribute
   ,-[$DIR/tests/fixture/element/math-1/input.html:2:1]
 1 | <!doctype html>
 2 | <html lang="en">
   :       ^^^^^^^^^
 3 | <head>
   `----
  x Child
   ,-[$DIR/tests/fixture/element/math-1/input.html:3:1]
 2 |     <html lang="en">
 3 | ,-> <head>
 4 | |       <title>Document</title>
 5 | `-> </head>
 6 |     <body>
   `----
  x Element
   ,-[$DIR/tests/fixture/element/math-1/input.html:3:1]
 2 |     <html lang="en">
 3 | ,-> <head>
 4 | |       <title>Document</title>
 5 | `-> </head>
 6 |     <body>
   `----
  x Child
   ,-[$DIR/tests/fixture/element/math-1/input.html:3:1]
 2 |     <html lang="en">
 3 | ,-> <head>
 4 | `->     <title>Document</title>
 5 |     </head>
   `----
  x Text
   ,-[$DIR/tests/fixture/element/math-1/input.html:3:1]
 2 |     <html lang="en">
 3 | ,-> <head>
 4 | `->     <title>Document</title>
 5 |     </head>
   `----
  x Child
   ,-[$DIR/tests/fixture/element/math-1/input.html:4:1]
 3 | <head>
 4 |     <title>Document</title>
   :     ^^^^^^^^^^^^^^^^^^^^^^^
 5 | </head>
   `----
  x Element
   ,-[$DIR/tests/fixture/element/math-1/input.html:4:1]
 3 | <head>
 4 |     <title>Document</title>
   :     ^^^^^^^^^^^^^^^^^^^^^^^
 5 | </head>
   `----
  x Child
   ,-[$DIR/tests/fixture/element/math-1/input.html:4:1]
 3 | <head>
 4 |     <title>Document</title>
   :            ^^^^^^^^
 5 | </head>
   `----
  x Text
   ,-[$DIR/tests/fixture/element/math-1/input.html:4:1]
 3 | <head>
 4 |     <title>Document</title>
   :            ^^^^^^^^
 5 | </head>
   `----
  x Child
   ,-[$DIR/tests/fixture/element/math-1/input.html:4:1]
 3 | <head>
 4 |     <title>Document</title>
   :                            ^
 5 | </head>
 6 | <body>
   `----
  x Text
   ,-[$DIR/tests/fixture/element/math-1/input.html:4:1]
 3 | <head>
 4 |     <title>Document</title>
   :                            ^
 5 | </head>
 6 | <body>
   `----
  x Child
   ,-[$DIR/tests/fixture/element/math-1/input.html:5:1]
 4 |     <title>Document</title>
 5 | </head>
   :        ^
 6 | <body>
 7 | <div style="display:none">
   `----
  x Text
   ,-[$DIR/tests/fixture/element/math-1/input.html:5:1]
 4 |     <title>Document</title>
 5 | </head>
   :        ^
 6 | <body>
 7 | <div style="display:none">
   `----
  x Child
    ,-[$DIR/tests/fixture/element/math-1/input.html:6:1]
  5 |     </head>
  6 | ,-> <body>
  7 | |   <div style="display:none">
  8 | |       <div><math id="m1"><mtext/></math></div>
  9 | |       <div id="d1"><math><mrow/><mi/></math></div>
 10 | |       <div id="d2"><math><mrow><mrow><mn>1</mn></mrow><mi>a</mi></mrow></math></div>
 11 | |       <div id="d3">&lang;&rang;</div>
 12 | |       <div id="d4">&Kopf;</div>
 13 | |       <div id="d5"><math><semantics><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
 14 | |       <div id="d6"><math><semantics><mi>a</mi><annotation-xml encoding="text/html"><div></div></annotation-xml></semantics><mn/></math></div>
 15 | |   </div>
 16 | |   
 17 | |   <div>
 18 | |       <div><MATH id="m1"><Mtext/></math></div>
 19 | |       <div id="d1"><math><MI MATHVARIANT="BOLD" /></math></div>
 20 | |       <div id="d2"><math><semantics DEFINITIONurl="www.example.org/FOO"><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
 21 | |       <div><math id="m3span-mtext"><mtext><Span>x</Span></mtext></math></div>
 22 | |       <div><math id="m3span-mi"><mi><Span>x</Span></mi></math></div>
 23 | |       <div><math id="m3p-mtext"><mtext><P>x</P></mtext></math></div>
 24 | |       <div><math id="m3p-mi"><mi><P>x</P></mi></math></div>
 25 | |   </div>
 26 | `-> </body>
 27 |     </html>
    `----
  x Element
    ,-[$DIR/tests/fixture/element/math-1/input.html:6:1]
  5 |     </head>
  6 | ,-> <body>
  7 | |   <div style="display:none">
  8 | |       <div><math id="m1"><mtext/></math></div>
  9 | |       <div id="d1"><math><mrow/><mi/></math></div>
 10 | |       <div id="d2"><math><mrow><mrow><mn>1</mn></mrow><mi>a</mi></mrow></math></div>
 11 | |       <div id="d3">&lang;&rang;</div>
 12 | |       <div id="d4">&Kopf;</div>
 13 | |       <div id="d5"><math><semantics><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
 14 | |       <div id="d6"><math><semantics><mi>a</mi><annotation-xml encoding="text/html"><div></div></annotation-xml></semantics><mn/></math></div>
 15 | |   </div>
 16 | |   
 17 | |   <div>
 18 | |       <div><MATH id="m1"><Mtext/></math></div>
 19 | |       <div id="d1"><math><MI MATHVARIANT="BOLD" /></math></div>
 20 | |       <div id="d2"><math><semantics DEFINITIONurl="www.example.org/FOO"><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
 21 | |       <div><math id="m3span-mtext"><mtext><Span>x</Span></mtext></math></div>
 22 | |       <div><math id="m3span-mi"><mi><Span>x</Span></mi></math></div>
 23 | |       <div><math id="m3p-mtext"><mtext><P>x</P></mtext></math></div>
 24 | |       <div><math id="m3p-mi"><mi><P>x</P></mi></math></div>
 25 | |   </div>
 26 | `-> </body>
 27 |     </html>
    `----
  x Child
   ,-[$DIR/tests/fixture/element/math-1/input.html:6:1]
 5 | </head>
 6 | <body>
   :       ^
 7 | <div style="display:none">
 8 |     <div><math id="m1"><mtext/></math></div>
   `----
  x Text
   ,-[$DIR/tests/fixture/element/math-1/input.html:6:1]
 5 | </head>
 6 | <body>
   :       ^
 7 | <div style="display:none">
 8 |     <div><math id="m1"><mtext/></math></div>
   `----
  x Child
    ,-[$DIR/tests/fixture/element/math-1/input.html:7:1]
  6 |     <body>
  7 | ,-> <div style="display:none">
  8 | |       <div><math id="m1"><mtext/></math></div>
  9 | |       <div id="d1"><math><mrow/><mi/></math></div>
 10 | |       <div id="d2"><math><mrow><mrow><mn>1</mn></mrow><mi>a</mi></mrow></math></div>
 11 | |       <div id="d3">&lang;&rang;</div>
 12 | |       <div id="d4">&Kopf;</div>
 13 | |       <div id="d5"><math><semantics><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
 14 | |       <div id="d6"><math><semantics><mi>a</mi><annotation-xml encoding="text/html"><div></div></annotation-xml></semantics><mn/></math></div>
 15 | `-> </div>
    `----
  x Element
    ,-[$DIR/tests/fixture/element/math-1/input.html:7:1]
  6 |     <body>
  7 | ,-> <div style="display:none">
  8 | |       <div><math id="m1"><mtext/></math></div>
  9 | |       <div id="d1"><math><mrow/><mi/></math></div>
 10 | |       <div id="d2"><math><mrow><mrow><mn>1</mn></mrow><mi>a</mi></mrow></math></div>
 11 | |       <div id="d3">&lang;&rang;</div>
 12 | |       <div id="d4">&Kopf;</div>
 13 | |       <div id="d5"><math><semantics><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
 14 | |       <div id="d6"><math><semantics><mi>a</mi><annotation-xml encoding="text/html"><div></div></annotation-xml></semantics><mn/></math></div>
 15 | `-> </div>
    `----
  x Attribute
   ,-[$DIR/tests/fixture/element/math-1/input.html:7:1]
 6 | <body>
 7 | <div style="display:none">
   :      ^^^^^^^^^^^^^^^^^^^^
 8 |     <div><math id="m1"><mtext/></math></div>
   `----
  x Child
   ,-[$DIR/tests/fixture/element/math-1/input.html:7:1]
 6 |     <body>
 7 | ,-> <div style="display:none">
 8 | `->     <div><math id="m1"><mtext/></math></div>
 9 |         <div id="d1"><math><mrow/><mi/></math></div>
   `----
  x Text
   ,-[$DIR/tests/fixture/element/math-1/input.html:7:1]
 6 |     <body>
 7 | ,-> <div style="display:none">
 8 | `->     <div><math id="m1"><mtext/></math></div>
 9 |         <div id="d1"><math><mrow/><mi/></math></div>
   `----
  x Child
   ,-[$DIR/tests/fixture/element/math-1/input.html:8:1]
 7 | <div style="display:none">
 8 |     <div><math id="m1"><mtext/></math></div>
   :     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 9 |     <div id="d1"><math><mrow/><mi/></math></div>
   `----
  x Element
   ,-[$DIR/tests/fixture/element/math-1/input.html:8:1]
 7 | <div style="display:none">
 8 |     <div><math id="m1"><mtext/></math></div>
   :     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 9 |     <div id="d1"><math><mrow/><mi/></math></div>
   `----
  x Child
   ,-[$DIR/tests/fixture/element/math-1/input.html:8:1]
 7 | <div style="display:none">
 8 |     <div><math id="m1"><mtext/></math></div>
   :          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 9 |     <div id="d1"><math><mrow/><mi/></math></div>
   `----
  x Element
   ,-[$DIR/tests/fixture/element/math-1/input.html:8:1]
 7 | <div style="display:none">
 8 |     <div><math id="m1"><mtext/></math></div>
   :          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 9 |     <div id="d1"><math><mrow/><mi/></math></div>
   `----
  x Attribute
   ,-[$DIR/tests/fixture/element/math-1/input.html:8:1]
 7 | <div style="display:none">
 8 |     <div><math id="m1"><mtext/></math></div>
   :                ^^^^^^^
 9 |     <div id="d1"><math><mrow/><mi/></math></div>
   `----
  x Child
   ,-[$DIR/tests/fixture/element/math-1/input.html:8:1]
 7 | <div style="display:none">
 8 |     <div><math id="m1"><mtext/></math></div>
   :                        ^^^^^^^^
 9 |     <div id="d1"><math><mrow/><mi/></math></div>
   `----
  x Element
   ,-[$DIR/tests/fixture/element/math-1/input.html:8:1]
 7 | <div style="display:none">
 8 |     <div><math id="m1"><mtext/></math></div>
   :                        ^^^^^^^^
 9 |     <div id="d1"><math><mrow/><mi/></math></div>
   `----
  x Child
    ,-[$DIR/tests/fixture/element/math-1/input.html:8:1]
  7 |     <div style="display:none">
  8 | ,->     <div><math id="m1"><mtext/></math></div>
  9 | `->     <div id="d1"><math><mrow/><mi/></math></div>
 10 |         <div id="d2"><math><mrow><mrow><mn>1</mn></mrow><mi>a</mi></mrow></math></div>
    `----
  x Text
    ,-[$DIR/tests/fixture/element/math-1/input.html:8:1]
  7 |     <div style="display:none">
  8 | ,->     <div><math id="m1"><mtext/></math></div>
  9 | `->     <div id="d1"><math><mrow/><mi/></math></div>
 10 |         <div id="d2"><math><mrow><mrow><mn>1</mn></mrow><mi>a</mi></mrow></math></div>
    `----
  x Child
    ,-[$DIR/tests/fixture/element/math-1/input.html:9:1]
  8 |     <div><math id="m1"><mtext/></math></div>
  9 |     <div id="d1"><math><mrow/><mi/></math></div>
    :     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 10 |     <div id="d2"><math><mrow><mrow><mn>1</mn></mrow><mi>a</mi></mrow></math></div>
    `----
  x Element
    ,-[$DIR/tests/fixture/element/math-1/input.html:9:1]
  8 |     <div><math id="m1"><mtext/></math></div>
  9 |     <div id="d1"><math><mrow/><mi/></math></div>
    :     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 10 |     <div id="d2"><math><mrow><mrow><mn>1</mn></mrow><mi>a</mi></mrow></math></div>
    `----
  x Attribute
    ,-[$DIR/tests/fixture/element/math-1/input.html:9:1]
  8 |     <div><math id="m1"><mtext/></math></div>
  9 |     <div id="d1"><math><mrow/><mi/></math></div>
    :          ^^^^^^^
 10 |     <div id="d2"><math><mrow><mrow><mn>1</mn></mrow><mi>a</mi></mrow></math></div>
    `----
  x Child
    ,-[$DIR/tests/fixture/element/math-1/input.html:9:1]
  8 |     <div><math id="m1"><mtext/></math></div>
  9 |     <div id="d1"><math><mrow/><mi/></math></div>
    :                  ^^^^^^^^^^^^^^^^^^^^^^^^^
 10 |     <div id="d2"><math><mrow><mrow><mn>1</mn></mrow><mi>a</mi></mrow></math></div>
    `----
  x Element
    ,-[$DIR/tests/fixture/element/math-1/input.html:9:1]
  8 |     <div><math id="m1"><mtext/></math></div>
  9 |     <div id="d1"><math><mrow/><mi/></math></div>
    :                  ^^^^^^^^^^^^^^^^^^^^^^^^^
 10 |     <div id="d2"><math><mrow><mrow><mn>1</mn></mrow><mi>a</mi></mrow></math></div>
    `----
  x Child
    ,-[$DIR/tests/fixture/element/math-1/input.html:9:1]
  8 |     <div><math id="m1"><mtext/></math></div>
  9 |     <div id="d1"><math><mrow/><mi/></math></div>
    :                        ^^^^^^^
 10 |     <div id="d2"><math><mrow><mrow><mn>1</mn></mrow><mi>a</mi></mrow></math></div>
    `----
  x Element
    ,-[$DIR/tests/fixture/element/math-1/input.html:9:1]
  8 |     <div><math id="m1"><mtext/></math></div>
  9 |     <div id="d1"><math><mrow/><mi/></math></div>
    :                        ^^^^^^^
 10 |     <div id="d2"><math><mrow><mrow><mn>1</mn></mrow><mi>a</mi></mrow></math></div>
    `----
  x Child
    ,-[$DIR/tests/fixture/element/math-1/input.html:9:1]
  8 |     <div><math id="m1"><mtext/></math></div>
  9 |     <div id="d1"><math><mrow/><mi/></math></div>
    :                               ^^^^^
 10 |     <div id="d2"><math><mrow><mrow><mn>1</mn></mrow><mi>a</mi></mrow></math></div>
    `----
  x Element
    ,-[$DIR/tests/fixture/element/math-1/input.html:9:1]
  8 |     <div><math id="m1"><mtext/></math></div>
  9 |     <div id="d1"><math><mrow/><mi/></math></div>
    :                               ^^^^^
 10 |     <div id="d2"><math><mrow><mrow><mn>1</mn></mrow><mi>a</mi></mrow></math></div>
    `----
  x Child
    ,-[$DIR/tests/fixture/element/math-1/input.html:9:1]
  8 |         <div><math id="m1"><mtext/></math></div>
  9 | ,->     <div id="d1"><math><mrow/><mi/></math></div>
 10 | `->     <div id="d2"><math><mrow><mrow><mn>1</mn></mrow><mi>a</mi></mrow></math></div>
 11 |         <div id="d3">&lang;&rang;</div>
    `----
  x Text
    ,-[$DIR/tests/fixture/element/math-1/input.html:9:1]
  8 |         <div><math id="m1"><mtext/></math></div>
  9 | ,->     <div id="d1"><math><mrow/><mi/></math></div>
 10 | `->     <div id="d2"><math><mrow><mrow><mn>1</mn></mrow><mi>a</mi></mrow></math></div>
 11 |         <div id="d3">&lang;&rang;</div>
    `----
  x Child
    ,-[$DIR/tests/fixture/element/math-1/input.html:10:1]
  9 |     <div id="d1"><math><mrow/><mi/></math></div>
 10 |     <div id="d2"><math><mrow><mrow><mn>1</mn></mrow><mi>a</mi></mrow></math></div>
    :     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 11 |     <div id="d3">&lang;&rang;</div>
    `----
  x Element
    ,-[$DIR/tests/fixture/element/math-1/input.html:10:1]
  9 |     <div id="d1"><math><mrow/><mi/></math></div>
 10 |     <div id="d2"><math><mrow><mrow><mn>1</mn></mrow><mi>a</mi></mrow></math></div>
    :     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 11 |     <div id="d3">&lang;&rang;</div>
    `----
  x Attribute
    ,-[$DIR/tests/fixture/element/math-1/input.html:10:1]
  9 |     <div id="d1"><math><mrow/><mi/></math></div>
 10 |     <div id="d2"><math><mrow><mrow><mn>1</mn></mrow><mi>a</mi></mrow></math></div>
    :          ^^^^^^^
 11 |     <div id="d3">&lang;&rang;</div>
    `----
  x Child
    ,-[$DIR/tests/fixture/element/math-1/input.html:10:1]
  9 |     <div id="d1"><math><mrow/><mi/></math></div>
 10 |     <div id="d2"><math><mrow><mrow><mn>1</mn></mrow><mi>a</mi></mrow></math></div>
    :                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 11 |     <div id="d3">&lang;&rang;</div>
    `----
  x Element
    ,-[$DIR/tests/fixture/element/math-1/input.html:10:1]
  9 |     <div id="d1"><math><mrow/><mi/></math></div>
 10 |     <div id="d2"><math><mrow><mrow><mn>1</mn></mrow><mi>a</mi></mrow></math></div>
    :                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 11 |     <div id="d3">&lang;&rang;</div>
    `----
  x Child
    ,-[$DIR/tests/fixture/element/math-1/input.html:10:1]
  9 |     <div id="d1"><math><mrow/><mi/></math></div>
 10 |     <div id="d2"><math><mrow><mrow><mn>1</mn></mrow><mi>a</mi></mrow></math></div>
    :                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 11 |     <div id="d3">&lang;&rang;</div>
    `----
  x Element
    ,-[$DIR/tests/fixture/element/math-1/input.html:10:1]
  9 |     <div id="d1"><math><mrow/><mi/></math></div>
 10 |     <div id="d2"><math><mrow><mrow><mn>1</mn></mrow><mi>a</mi></mrow></math></div>
    :                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 11 |     <div id="d3">&lang;&rang;</div>
    `----
  x Child
    ,-[$DIR/tests/fixture/element/math-1/input.html:10:1]
  9 |     <div id="d1"><math><mrow/><mi/></math></div>
 10 |     <div id="d2"><math><mrow><mrow><mn>1</mn></mrow><mi>a</mi></mrow></math></div>
    :                              ^^^^^^^^^^^^^^^^^^^^^^^
 11 |     <div id="d3">&lang;&rang;</div>
    `----
  x Element
    ,-[$DIR/tests/fixture/element/math-1/input.html:10:1]
  9 |     <div id="d1"><math><mrow/><mi/></math></div>
 10 |     <div id="d2"><math><mrow><mrow><mn>1</mn></mrow><mi>a</mi></mrow></math></div>
    :                              ^^^^^^^^^^^^^^^^^^^^^^^
 11 |     <div id="d3">&lang;&rang;</div>
    `----
  x Child
    ,-[$DIR/tests/fixture/element/math-1/input.html:10:1]
  9 |     <div id="d1"><math><mrow/><mi/></math></div>
 10 |     <div id="d2"><math><mrow><mrow><mn>1</mn></mrow><mi>a</mi></mrow></math></div>
    :                                    ^^^^^^^^^^
 11 |     <div id="d3">&lang;&rang;</div>
    `----
  x Element
    ,-[$DIR/tests/fixture/element/math-1/input.html:10:1]
  9 |     <div id="d1"><math><mrow/><mi/></math></div>
 10 |     <div id="d2"><math><mrow><mrow><mn>1</mn></mrow><mi>a</mi></mrow></math></div>
    :                                    ^^^^^^^^^^
 11 |     <div id="d3">&lang;&rang;</div>
    `----
  x Child
    ,-[$DIR/tests/fixture/element/math-1/input.html:10:1]
  9 |     <div id="d1"><math><mrow/><mi/></math></div>
 10 |     <div id="d2"><math><mrow><mrow><mn>1</mn></mrow><mi>a</mi></mrow></math></div>
    :                                        ^
 11 |     <div id="d3">&lang;&rang;</div>
    `----
  x Text
    ,-[$DIR/tests/fixture/element/math-1/input.html:10:1]
  9 |     <div id="d1"><math><mrow/><mi/></math></div>
 10 |     <div id="d2"><math><mrow><mrow><mn>1</mn></mrow><mi>a</mi></mrow></math></div>
    :                                        ^
 11 |     <div id="d3">&lang;&rang;</div>
    `----
  x Child
    ,-[$DIR/tests/fixture/element/math-1/input.html:10:1]
  9 |     <div id="d1"><math><mrow/><mi/></math></div>
 10 |     <div id="d2"><math><mrow><mrow><mn>1</mn></mrow><mi>a</mi></mrow></math></div>
    :                                                     ^^^^^^^^^^
 11 |     <div id="d3">&lang;&rang;</div>
    `----
  x Element
    ,-[$DIR/tests/fixture/element/math-1/input.html:10:1]
  9 |     <div id="d1"><math><mrow/><mi/></math></div>
 10 |     <div id="d2"><math><mrow><mrow><mn>1</mn></mrow><mi>a</mi></mrow></math></div>
    :                                                     ^^^^^^^^^^
 11 |     <div id="d3">&lang;&rang;</div>
    `----
  x Child
    ,-[$DIR/tests/fixture/element/math-1/input.html:10:1]
  9 |     <div id="d1"><math><mrow/><mi/></math></div>
 10 |     <div id="d2"><math><mrow><mrow><mn>1</mn></mrow><mi>a</mi></mrow></math></div>
    :                                                         ^
 11 |     <div id="d3">&lang;&rang;</div>
    `----
  x Text
    ,-[$DIR/tests/fixture/element/math-1/input.html:10:1]
  9 |     <div id="d1"><math><mrow/><mi/></math></div>
 10 |     <div id="d2"><math><mrow><mrow><mn>1</mn></mrow><mi>a</mi></mrow></math></div>
    :                                                         ^
 11 |     <div id="d3">&lang;&rang;</div>
    `----
  x Child
    ,-[$DIR/tests/fixture/element/math-1/input.html:10:1]
  9 |         <div id="d1"><math><mrow/><mi/></math></div>
 10 | ,->     <div id="d2"><math><mrow><mrow><mn>1</mn></mrow><mi>a</mi></mrow></math></div>
 11 | `->     <div id="d3">&lang;&rang;</div>
 12 |         <div id="d4">&Kopf;</div>
    `----
  x Text
    ,-[$DIR/tests/fixture/element/math-1/input.html:10:1]
  9 |         <div id="d1"><math><mrow/><mi/></math></div>
 10 | ,->     <div id="d2"><math><mrow><mrow><mn>1</mn></mrow><mi>a</mi></mrow></math></div>
 11 | `->     <div id="d3">&lang;&rang;</div>
 12 |         <div id="d4">&Kopf;</div>
    `----
  x Child
    ,-[$DIR/tests/fixture/element/math-1/input.html:11:1]
 10 |     <div id="d2"><math><mrow><mrow><mn>1</mn></mrow><mi>a</mi></mrow></math></div>
 11 |     <div id="d3">&lang;&rang;</div>
    :     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 12 |     <div id="d4">&Kopf;</div>
    `----
  x Element
    ,-[$DIR/tests/fixture/element/math-1/input.html:11:1]
 10 |     <div id="d2"><math><mrow><mrow><mn>1</mn></mrow><mi>a</mi></mrow></math></div>
 11 |     <div id="d3">&lang;&rang;</div>
    :     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 12 |     <div id="d4">&Kopf;</div>
    `----
  x Attribute
    ,-[$DIR/tests/fixture/element/math-1/input.html:11:1]
 10 |     <div id="d2"><math><mrow><mrow><mn>1</mn></mrow><mi>a</mi></mrow></math></div>
 11 |     <div id="d3">&lang;&rang;</div>
    :          ^^^^^^^
 12 |     <div id="d4">&Kopf;</div>
    `----
  x Child
    ,-[$DIR/tests/fixture/element/math-1/input.html:11:1]
 10 |     <div id="d2"><math><mrow><mrow><mn>1</mn></mrow><mi>a</mi></mrow></math></div>
 11 |     <div id="d3">&lang;&rang;</div>
    :                  ^^^^^^^^^^^^
 12 |     <div id="d4">&Kopf;</div>
    `----
  x Text
    ,-[$DIR/tests/fixture/element/math-1/input.html:11:1]
 10 |     <div id="d2"><math><mrow><mrow><mn>1</mn></mrow><mi>a</mi></mrow></math></div>
 11 |     <div id="d3">&lang;&rang;</div>
    :                  ^^^^^^^^^^^^
 12 |     <div id="d4">&Kopf;</div>
    `----
  x Child
    ,-[$DIR/tests/fixture/element/math-1/input.html:11:1]
 10 |         <div id="d2"><math><mrow><mrow><mn>1</mn></mrow><mi>a</mi></mrow></math></div>
 11 | ,->     <div id="d3">&lang;&rang;</div>
 12 | `->     <div id="d4">&Kopf;</div>
 13 |         <div id="d5"><math><semantics><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
    `----
  x Text
    ,-[$DIR/tests/fixture/element/math-1/input.html:11:1]
 10 |         <div id="d2"><math><mrow><mrow><mn>1</mn></mrow><mi>a</mi></mrow></math></div>
 11 | ,->     <div id="d3">&lang;&rang;</div>
 12 | `->     <div id="d4">&Kopf;</div>
 13 |         <div id="d5"><math><semantics><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
    `----
  x Child
    ,-[$DIR/tests/fixture/element/math-1/input.html:12:1]
 11 |     <div id="d3">&lang;&rang;</div>
 12 |     <div id="d4">&Kopf;</div>
    :     ^^^^^^^^^^^^^^^^^^^^^^^^^
 13 |     <div id="d5"><math><semantics><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
    `----
  x Element
    ,-[$DIR/tests/fixture/element/math-1/input.html:12:1]
 11 |     <div id="d3">&lang;&rang;</div>
 12 |     <div id="d4">&Kopf;</div>
    :     ^^^^^^^^^^^^^^^^^^^^^^^^^
 13 |     <div id="d5"><math><semantics><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
    `----
  x Attribute
    ,-[$DIR/tests/fixture/element/math-1/input.html:12:1]
 11 |     <div id="d3">&lang;&rang;</div>
 12 |     <div id="d4">&Kopf;</div>
    :          ^^^^^^^
 13 |     <div id="d5"><math><semantics><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
    `----
  x Child
    ,-[$DIR/tests/fixture/element/math-1/input.html:12:1]
 11 |     <div id="d3">&lang;&rang;</div>
 12 |     <div id="d4">&Kopf;</div>
    :                  ^^^^^^
 13 |     <div id="d5"><math><semantics><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
    `----
  x Text
    ,-[$DIR/tests/fixture/element/math-1/input.html:12:1]
 11 |     <div id="d3">&lang;&rang;</div>
 12 |     <div id="d4">&Kopf;</div>
    :                  ^^^^^^
 13 |     <div id="d5"><math><semantics><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
    `----
  x Child
    ,-[$DIR/tests/fixture/element/math-1/input.html:12:1]
 11 |         <div id="d3">&lang;&rang;</div>
 12 | ,->     <div id="d4">&Kopf;</div>
 13 | `->     <div id="d5"><math><semantics><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
 14 |         <div id="d6"><math><semantics><mi>a</mi><annotation-xml encoding="text/html"><div></div></annotation-xml></semantics><mn/></math></div>
    `----
  x Text
    ,-[$DIR/tests/fixture/element/math-1/input.html:12:1]
 11 |         <div id="d3">&lang;&rang;</div>
 12 | ,->     <div id="d4">&Kopf;</div>
 13 | `->     <div id="d5"><math><semantics><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
 14 |         <div id="d6"><math><semantics><mi>a</mi><annotation-xml encoding="text/html"><div></div></annotation-xml></semantics><mn/></math></div>
    `----
  x Child
    ,-[$DIR/tests/fixture/element/math-1/input.html:13:1]
 12 |     <div id="d4">&Kopf;</div>
 13 |     <div id="d5"><math><semantics><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
    :     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 14 |     <div id="d6"><math><semantics><mi>a</mi><annotation-xml encoding="text/html"><div></div></annotation-xml></semantics><mn/></math></div>
    `----
  x Element
    ,-[$DIR/tests/fixture/element/math-1/input.html:13:1]
 12 |     <div id="d4">&Kopf;</div>
 13 |     <div id="d5"><math><semantics><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
    :     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 14 |     <div id="d6"><math><semantics><mi>a</mi><annotation-xml encoding="text/html"><div></div></annotation-xml></semantics><mn/></math></div>
    `----
  x Attribute
    ,-[$DIR/tests/fixture/element/math-1/input.html:13:1]
 12 |     <div id="d4">&Kopf;</div>
 13 |     <div id="d5"><math><semantics><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
    :          ^^^^^^^
 14 |     <div id="d6"><math><semantics><mi>a</mi><annotation-xml encoding="text/html"><div></div></annotation-xml></semantics><mn/></math></div>
    `----
  x Child
    ,-[$DIR/tests/fixture/element/math-1/input.html:13:1]
 12 |     <div id="d4">&Kopf;</div>
 13 |     <div id="d5"><math><semantics><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
    :                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 14 |     <div id="d6"><math><semantics><mi>a</mi><annotation-xml encoding="text/html"><div></div></annotation-xml></semantics><mn/></math></div>
    `----
  x Element
    ,-[$DIR/tests/fixture/element/math-1/input.html:13:1]
 12 |     <div id="d4">&Kopf;</div>
 13 |     <div id="d5"><math><semantics><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
    :                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 14 |     <div id="d6"><math><semantics><mi>a</mi><annotation-xml encoding="text/html"><div></div></annotation-xml></semantics><mn/></math></div>
    `----
  x Child
    ,-[$DIR/tests/fixture/element/math-1/input.html:13:1]
 12 |     <div id="d4">&Kopf;</div>
 13 |     <div id="d5"><math><semantics><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
    :                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 14 |     <div id="d6"><math><semantics><mi>a</mi><annotation-xml encoding="text/html"><div></div></annotation-xml></semantics><mn/></math></div>
    `----
  x Element
    ,-[$DIR/tests/fixture/element/math-1/input.html:13:1]
 12 |     <div id="d4">&Kopf;</div>
 13 |     <div id="d5"><math><semantics><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
    :                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 14 |     <div id="d6"><math><semantics><mi>a</mi><annotation-xml encoding="text/html"><div></div></annotation-xml></semantics><mn/></math></div>
    `----
  x Child
    ,-[$DIR/tests/fixture/element/math-1/input.html:13:1]
 12 |     <div id="d4">&Kopf;</div>
 13 |     <div id="d5"><math><semantics><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
    :                                   ^^^^^^^^^^
 14 |     <div id="d6"><math><semantics><mi>a</mi><annotation-xml encoding="text/html"><div></div></annotation-xml></semantics><mn/></math></div>
    `----
  x Element
    ,-[$DIR/tests/fixture/element/math-1/input.html:13:1]
 12 |     <div id="d4">&Kopf;</div>
 13 |     <div id="d5"><math><semantics><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
    :                                   ^^^^^^^^^^
 14 |     <div id="d6"><math><semantics><mi>a</mi><annotation-xml encoding="text/html"><div></div></annotation-xml></semantics><mn/></math></div>
    `----
  x Child
    ,-[$DIR/tests/fixture/element/math-1/input.html:13:1]
 12 |     <div id="d4">&Kopf;</div>
 13 |     <div id="d5"><math><semantics><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
    :                                       ^
 14 |     <div id="d6"><math><semantics><mi>a</mi><annotation-xml encoding="text/html"><div></div></annotation-xml></semantics><mn/></math></div>
    `----
  x Text
    ,-[$DIR/tests/fixture/element/math-1/input.html:13:1]
 12 |     <div id="d4">&Kopf;</div>
 13 |     <div id="d5"><math><semantics><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
    :                                       ^
 14 |     <div id="d6"><math><semantics><mi>a</mi><annotation-xml encoding="text/html"><div></div></annotation-xml></semantics><mn/></math></div>
    `----
  x Child
    ,-[$DIR/tests/fixture/element/math-1/input.html:13:1]
 12 |     <div id="d4">&Kopf;</div>
 13 |     <div id="d5"><math><semantics><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
    :                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 14 |     <div id="d6"><math><semantics><mi>a</mi><annotation-xml encoding="text/html"><div></div></annotation-xml></semantics><mn/></math></div>
    `----
  x Element
    ,-[$DIR/tests/fixture/element/math-1/input.html:13:1]
 12 |     <div id="d4">&Kopf;</div>
 13 |     <div id="d5"><math><semantics><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
    :                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 14 |     <div id="d6"><math><semantics><mi>a</mi><annotation-xml encoding="text/html"><div></div></annotation-xml></semantics><mn/></math></div>
    `----
  x Child
    ,-[$DIR/tests/fixture/element/math-1/input.html:13:1]
 12 |     <div id="d4">&Kopf;</div>
 13 |     <div id="d5"><math><semantics><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
    :                                                             ^^^^^^
 14 |     <div id="d6"><math><semantics><mi>a</mi><annotation-xml encoding="text/html"><div></div></annotation-xml></semantics><mn/></math></div>
    `----
  x Element
    ,-[$DIR/tests/fixture/element/math-1/input.html:13:1]
 12 |     <div id="d4">&Kopf;</div>
 13 |     <div id="d5"><math><semantics><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
    :                                                             ^^^^^^
 14 |     <div id="d6"><math><semantics><mi>a</mi><annotation-xml encoding="text/html"><div></div></annotation-xml></semantics><mn/></math></div>
    `----
  x Child
    ,-[$DIR/tests/fixture/element/math-1/input.html:13:1]
 12 |     <div id="d4">&Kopf;</div>
 13 |     <div id="d5"><math><semantics><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
    :                                                                   ^^^^^^
 14 |     <div id="d6"><math><semantics><mi>a</mi><annotation-xml encoding="text/html"><div></div></annotation-xml></semantics><mn/></math></div>
    `----
  x Element
    ,-[$DIR/tests/fixture/element/math-1/input.html:13:1]
 12 |     <div id="d4">&Kopf;</div>
 13 |     <div id="d5"><math><semantics><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
    :                                                                   ^^^^^^
 14 |     <div id="d6"><math><semantics><mi>a</mi><annotation-xml encoding="text/html"><div></div></annotation-xml></semantics><mn/></math></div>
    `----
  x Child
    ,-[$DIR/tests/fixture/element/math-1/input.html:13:1]
 12 |         <div id="d4">&Kopf;</div>
 13 | ,->     <div id="d5"><math><semantics><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
 14 | `->     <div id="d6"><math><semantics><mi>a</mi><annotation-xml encoding="text/html"><div></div></annotation-xml></semantics><mn/></math></div>
 15 |     </div>
    `----
  x Text
    ,-[$DIR/tests/fixture/element/math-1/input.html:13:1]
 12 |         <div id="d4">&Kopf;</div>
 13 | ,->     <div id="d5"><math><semantics><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
 14 | `->     <div id="d6"><math><semantics><mi>a</mi><annotation-xml encoding="text/html"><div></div></annotation-xml></semantics><mn/></math></div>
 15 |     </div>
    `----
  x Child
    ,-[$DIR/tests/fixture/element/math-1/input.html:14:1]
 13 |     <div id="d5"><math><semantics><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
 14 |     <div id="d6"><math><semantics><mi>a</mi><annotation-xml encoding="text/html"><div></div></annotation-xml></semantics><mn/></math></div>
    :     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 15 | </div>
    `----
  x Element
    ,-[$DIR/tests/fixture/element/math-1/input.html:14:1]
 13 |     <div id="d5"><math><semantics><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
 14 |     <div id="d6"><math><semantics><mi>a</mi><annotation-xml encoding="text/html"><div></div></annotation-xml></semantics><mn/></math></div>
    :     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 15 | </div>
    `----
  x Attribute
    ,-[$DIR/tests/fixture/element/math-1/input.html:14:1]
 13 |     <div id="d5"><math><semantics><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
 14 |     <div id="d6"><math><semantics><mi>a</mi><annotation-xml encoding="text/html"><div></div></annotation-xml></semantics><mn/></math></div>
    :          ^^^^^^^
 15 | </div>
    `----
  x Child
    ,-[$DIR/tests/fixture/element/math-1/input.html:14:1]
 13 |     <div id="d5"><math><semantics><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
 14 |     <div id="d6"><math><semantics><mi>a</mi><annotation-xml encoding="text/html"><div></div></annotation-xml></semantics><mn/></math></div>
    :                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 15 | </div>
    `----
  x Element
    ,-[$DIR/tests/fixture/element/math-1/input.html:14:1]
 13 |     <div id="d5"><math><semantics><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
 14 |     <div id="d6"><math><semantics><mi>a</mi><annotation-xml encoding="text/html"><div></div></annotation-xml></semantics><mn/></math></div>
    :                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 15 | </div>
    `----
  x Child
    ,-[$DIR/tests/fixture/element/math-1/input.html:14:1]
 13 |     <div id="d5"><math><semantics><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
 14 |     <div id="d6"><math><semantics><mi>a</mi><annotation-xml encoding="text/html"><div></div></annotation-xml></semantics><mn/></math></div>
    :                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 15 | </div>
    `----
  x Element
    ,-[$DIR/tests/fixture/element/math-1/input.html:14:1]
 13 |     <div id="d5"><math><semantics><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
 14 |     <div id="d6"><math><semantics><mi>a</mi><annotation-xml encoding="text/html"><div></div></annotation-xml></semantics><mn/></math></div>
    :                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 15 | </div>
    `----
  x Child
    ,-[$DIR/tests/fixture/element/math-1/input.html:14:1]
 13 |     <div id="d5"><math><semantics><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
 14 |     <div id="d6"><math><semantics><mi>a</mi><annotation-xml encoding="text/html"><div></div></annotation-xml></semantics><mn/></math></div>
    :                                   ^^^^^^^^^^
 15 | </div>
    `----
  x Element
    ,-[$DIR/tests/fixture/element/math-1/input.html:14:1]
 13 |     <div id="d5"><math><semantics><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
 14 |     <div id="d6"><math><semantics><mi>a</mi><annotation-xml encoding="text/html"><div></div></annotation-xml></semantics><mn/></math></div>
    :                                   ^^^^^^^^^^
 15 | </div>
    `----
  x Child
    ,-[$DIR/tests/fixture/element/math-1/input.html:14:1]
 13 |     <div id="d5"><math><semantics><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
 14 |     <div id="d6"><math><semantics><mi>a</mi><annotation-xml encoding="text/html"><div></div></annotation-xml></semantics><mn/></math></div>
    :                                       ^
 15 | </div>
    `----
  x Text
    ,-[$DIR/tests/fixture/element/math-1/input.html:14:1]
 13 |     <div id="d5"><math><semantics><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
 14 |     <div id="d6"><math><semantics><mi>a</mi><annotation-xml encoding="text/html"><div></div></annotation-xml></semantics><mn/></math></div>
    :                                       ^
 15 | </div>
    `----
  x Child
    ,-[$DIR/tests/fixture/element/math-1/input.html:14:1]
 13 |     <div id="d5"><math><semantics><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
 14 |     <div id="d6"><math><semantics><mi>a</mi><annotation-xml encoding="text/html"><div></div></annotation-xml></semantics><mn/></math></div>
    :                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 15 | </div>
    `----
  x Element
    ,-[$DIR/tests/fixture/element/math-1/input.html:14:1]
 13 |     <div id="d5"><math><semantics><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
 14 |     <div id="d6"><math><semantics><mi>a</mi><annotation-xml encoding="text/html"><div></div></annotation-xml></semantics><mn/></math></div>
    :                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 15 | </div>
    `----
  x Attribute
    ,-[$DIR/tests/fixture/element/math-1/input.html:14:1]
 13 |     <div id="d5"><math><semantics><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
 14 |     <div id="d6"><math><semantics><mi>a</mi><annotation-xml encoding="text/html"><div></div></annotation-xml></semantics><mn/></math></div>
    :                                                             ^^^^^^^^^^^^^^^^^^^^
 15 | </div>
    `----
  x Child
    ,-[$DIR/tests/fixture/element/math-1/input.html:14:1]
 13 |     <div id="d5"><math><semantics><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
 14 |     <div id="d6"><math><semantics><mi>a</mi><annotation-xml encoding="text/html"><div></div></annotation-xml></semantics><mn/></math></div>
    :                                                                                  ^^^^^^^^^^^
 15 | </div>
    `----
  x Element
    ,-[$DIR/tests/fixture/element/math-1/input.html:14:1]
 13 |     <div id="d5"><math><semantics><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
 14 |     <div id="d6"><math><semantics><mi>a</mi><annotation-xml encoding="text/html"><div></div></annotation-xml></semantics><mn/></math></div>
    :                                                                                  ^^^^^^^^^^^
 15 | </div>
    `----
  x Child
    ,-[$DIR/tests/fixture/element/math-1/input.html:14:1]
 13 |     <div id="d5"><math><semantics><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
 14 |     <div id="d6"><math><semantics><mi>a</mi><annotation-xml encoding="text/html"><div></div></annotation-xml></semantics><mn/></math></div>
    :                                                                                                                          ^^^^^
 15 | </div>
    `----
  x Element
    ,-[$DIR/tests/fixture/element/math-1/input.html:14:1]
 13 |     <div id="d5"><math><semantics><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
 14 |     <div id="d6"><math><semantics><mi>a</mi><annotation-xml encoding="text/html"><div></div></annotation-xml></semantics><mn/></math></div>
    :                                                                                                                          ^^^^^
 15 | </div>
    `----
  x Child
    ,-[$DIR/tests/fixture/element/math-1/input.html:14:1]
 13 |     <div id="d5"><math><semantics><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
 14 |     <div id="d6"><math><semantics><mi>a</mi><annotation-xml encoding="text/html"><div></div></annotation-xml></semantics><mn/></math></div>
    :                                                                                                                                            ^
 15 | </div>
    `----
  x Text
    ,-[$DIR/tests/fixture/element/math-1/input.html:14:1]
 13 |     <div id="d5"><math><semantics><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
 14 |     <div id="d6"><math><semantics><mi>a</mi><annotation-xml encoding="text/html"><div></div></annotation-xml></semantics><mn/></math></div>
    :                                                                                                                                            ^
 15 | </div>
    `----
  x Child
    ,-[$DIR/tests/fixture/element/math-1/input.html:15:1]
 14 |         <div id="d6"><math><semantics><mi>a</mi><annotation-xml encoding="text/html"><div></div></annotation-xml></semantics><mn/></math></div>
 15 | ,-> </div>
 16 | `-> 
 17 |     <div>
 18 |         <div><MATH id="m1"><Mtext/></math></div>
    `----
  x Text
    ,-[$DIR/tests/fixture/element/math-1/input.html:15:1]
 14 |         <div id="d6"><math><semantics><mi>a</mi><annotation-xml encoding="text/html"><div></div></annotation-xml></semantics><mn/></math></div>
 15 | ,-> </div>
 16 | `-> 
 17 |     <div>
 18 |         <div><MATH id="m1"><Mtext/></math></div>
    `----
  x Child
    ,-[$DIR/tests/fixture/element/math-1/input.html:17:1]
 16 |     
 17 | ,-> <div>
 18 | |       <div><MATH id="m1"><Mtext/></math></div>
 19 | |       <div id="d1"><math><MI MATHVARIANT="BOLD" /></math></div>
 20 | |       <div id="d2"><math><semantics DEFINITIONurl="www.example.org/FOO"><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
 21 | |       <div><math id="m3span-mtext"><mtext><Span>x</Span></mtext></math></div>
 22 | |       <div><math id="m3span-mi"><mi><Span>x</Span></mi></math></div>
 23 | |       <div><math id="m3p-mtext"><mtext><P>x</P></mtext></math></div>
 24 | |       <div><math id="m3p-mi"><mi><P>x</P></mi></math></div>
 25 | `-> </div>
 26 |     </body>
    `----
  x Element
    ,-[$DIR/tests/fixture/element/math-1/input.html:17:1]
 16 |     
 17 | ,-> <div>
 18 | |       <div><MATH id="m1"><Mtext/></math></div>
 19 | |       <div id="d1"><math><MI MATHVARIANT="BOLD" /></math></div>
 20 | |       <div id="d2"><math><semantics DEFINITIONurl="www.example.org/FOO"><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
 21 | |       <div><math id="m3span-mtext"><mtext><Span>x</Span></mtext></math></div>
 22 | |       <div><math id="m3span-mi"><mi><Span>x</Span></mi></math></div>
 23 | |       <div><math id="m3p-mtext"><mtext><P>x</P></mtext></math></div>
 24 | |       <div><math id="m3p-mi"><mi><P>x</P></mi></math></div>
 25 | `-> </div>
 26 |     </body>
    `----
  x Child
    ,-[$DIR/tests/fixture/element/math-1/input.html:17:1]
 16 |     
 17 | ,-> <div>
 18 | `->     <div><MATH id="m1"><Mtext/></math></div>
 19 |         <div id="d1"><math><MI MATHVARIANT="BOLD" /></math></div>
    `----
  x Text
    ,-[$DIR/tests/fixture/element/math-1/input.html:17:1]
 16 |     
 17 | ,-> <div>
 18 | `->     <div><MATH id="m1"><Mtext/></math></div>
 19 |         <div id="d1"><math><MI MATHVARIANT="BOLD" /></math></div>
    `----
  x Child
    ,-[$DIR/tests/fixture/element/math-1/input.html:18:1]
 17 | <div>
 18 |     <div><MATH id="m1"><Mtext/></math></div>
    :     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 19 |     <div id="d1"><math><MI MATHVARIANT="BOLD" /></math></div>
    `----
  x Element
    ,-[$DIR/tests/fixture/element/math-1/input.html:18:1]
 17 | <div>
 18 |     <div><MATH id="m1"><Mtext/></math></div>
    :     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 19 |     <div id="d1"><math><MI MATHVARIANT="BOLD" /></math></div>
    `----
  x Child
    ,-[$DIR/tests/fixture/element/math-1/input.html:18:1]
 17 | <div>
 18 |     <div><MATH id="m1"><Mtext/></math></div>
    :          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 19 |     <div id="d1"><math><MI MATHVARIANT="BOLD" /></math></div>
    `----
  x Element
    ,-[$DIR/tests/fixture/element/math-1/input.html:18:1]
 17 | <div>
 18 |     <div><MATH id="m1"><Mtext/></math></div>
    :          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 19 |     <div id="d1"><math><MI MATHVARIANT="BOLD" /></math></div>
    `----
  x Attribute
    ,-[$DIR/tests/fixture/element/math-1/input.html:18:1]
 17 | <div>
 18 |     <div><MATH id="m1"><Mtext/></math></div>
    :                ^^^^^^^
 19 |     <div id="d1"><math><MI MATHVARIANT="BOLD" /></math></div>
    `----
  x Child
    ,-[$DIR/tests/fixture/element/math-1/input.html:18:1]
 17 | <div>
 18 |     <div><MATH id="m1"><Mtext/></math></div>
    :                        ^^^^^^^^
 19 |     <div id="d1"><math><MI MATHVARIANT="BOLD" /></math></div>
    `----
  x Element
    ,-[$DIR/tests/fixture/element/math-1/input.html:18:1]
 17 | <div>
 18 |     <div><MATH id="m1"><Mtext/></math></div>
    :                        ^^^^^^^^
 19 |     <div id="d1"><math><MI MATHVARIANT="BOLD" /></math></div>
    `----
  x Child
    ,-[$DIR/tests/fixture/element/math-1/input.html:18:1]
 17 |     <div>
 18 | ,->     <div><MATH id="m1"><Mtext/></math></div>
 19 | `->     <div id="d1"><math><MI MATHVARIANT="BOLD" /></math></div>
 20 |         <div id="d2"><math><semantics DEFINITIONurl="www.example.org/FOO"><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
    `----
  x Text
    ,-[$DIR/tests/fixture/element/math-1/input.html:18:1]
 17 |     <div>
 18 | ,->     <div><MATH id="m1"><Mtext/></math></div>
 19 | `->     <div id="d1"><math><MI MATHVARIANT="BOLD" /></math></div>
 20 |         <div id="d2"><math><semantics DEFINITIONurl="www.example.org/FOO"><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
    `----
  x Child
    ,-[$DIR/tests/fixture/element/math-1/input.html:19:1]
 18 |     <div><MATH id="m1"><Mtext/></math></div>
 19 |     <div id="d1"><math><MI MATHVARIANT="BOLD" /></math></div>
    :     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 20 |     <div id="d2"><math><semantics DEFINITIONurl="www.example.org/FOO"><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
    `----
  x Element
    ,-[$DIR/tests/fixture/element/math-1/input.html:19:1]
 18 |     <div><MATH id="m1"><Mtext/></math></div>
 19 |     <div id="d1"><math><MI MATHVARIANT="BOLD" /></math></div>
    :     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 20 |     <div id="d2"><math><semantics DEFINITIONurl="www.example.org/FOO"><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
    `----
  x Attribute
    ,-[$DIR/tests/fixture/element/math-1/input.html:19:1]
 18 |     <div><MATH id="m1"><Mtext/></math></div>
 19 |     <div id="d1"><math><MI MATHVARIANT="BOLD" /></math></div>
    :          ^^^^^^^
 20 |     <div id="d2"><math><semantics DEFINITIONurl="www.example.org/FOO"><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
    `----
  x Child
    ,-[$DIR/tests/fixture/element/math-1/input.html:19:1]
 18 |     <div><MATH id="m1"><Mtext/></math></div>
 19 |     <div id="d1"><math><MI MATHVARIANT="BOLD" /></math></div>
    :                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 20 |     <div id="d2"><math><semantics DEFINITIONurl="www.example.org/FOO"><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
    `----
  x Element
    ,-[$DIR/tests/fixture/element/math-1/input.html:19:1]
 18 |     <div><MATH id="m1"><Mtext/></math></div>
 19 |     <div id="d1"><math><MI MATHVARIANT="BOLD" /></math></div>
    :                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 20 |     <div id="d2"><math><semantics DEFINITIONurl="www.example.org/FOO"><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
    `----
  x Child
    ,-[$DIR/tests/fixture/element/math-1/input.html:19:1]
 18 |     <div><MATH id="m1"><Mtext/></math></div>
 19 |     <div id="d1"><math><MI MATHVARIANT="BOLD" /></math></div>
    :                        ^^^^^^^^^^^^^^^^^^^^^^^^^
 20 |     <div id="d2"><math><semantics DEFINITIONurl="www.example.org/FOO"><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
    `----
  x Element
    ,-[$DIR/tests/fixture/element/math-1/input.html:19:1]
 18 |     <div><MATH id="m1"><Mtext/></math></div>
 19 |     <div id="d1"><math><MI MATHVARIANT="BOLD" /></math></div>
    :                        ^^^^^^^^^^^^^^^^^^^^^^^^^
 20 |     <div id="d2"><math><semantics DEFINITIONurl="www.example.org/FOO"><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
    `----
  x Attribute
    ,-[$DIR/tests/fixture/element/math-1/input.html:19:1]
 18 |     <div><MATH id="m1"><Mtext/></math></div>
 19 |     <div id="d1"><math><MI MATHVARIANT="BOLD" /></math></div>
    :                            ^^^^^^^^^^^^^^^^^^
 20 |     <div id="d2"><math><semantics DEFINITIONurl="www.example.org/FOO"><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
    `----
  x Child
    ,-[$DIR/tests/fixture/element/math-1/input.html:19:1]
 18 |         <div><MATH id="m1"><Mtext/></math></div>
 19 | ,->     <div id="d1"><math><MI MATHVARIANT="BOLD" /></math></div>
 20 | `->     <div id="d2"><math><semantics DEFINITIONurl="www.example.org/FOO"><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
 21 |         <div><math id="m3span-mtext"><mtext><Span>x</Span></mtext></math></div>
    `----
  x Text
    ,-[$DIR/tests/fixture/element/math-1/input.html:19:1]
 18 |         <div><MATH id="m1"><Mtext/></math></div>
 19 | ,->     <div id="d1"><math><MI MATHVARIANT="BOLD" /></math></div>
 20 | `->     <div id="d2"><math><semantics DEFINITIONurl="www.example.org/FOO"><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
 21 |         <div><math id="m3span-mtext"><mtext><Span>x</Span></mtext></math></div>
    `----
  x Child
    ,-[$DIR/tests/fixture/element/math-1/input.html:20:1]
 19 |     <div id="d1"><math><MI MATHVARIANT="BOLD" /></math></div>
 20 |     <div id="d2"><math><semantics DEFINITIONurl="www.example.org/FOO"><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
    :     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 21 |     <div><math id="m3span-mtext"><mtext><Span>x</Span></mtext></math></div>
    `----
  x Element
    ,-[$DIR/tests/fixture/element/math-1/input.html:20:1]
 19 |     <div id="d1"><math><MI MATHVARIANT="BOLD" /></math></div>
 20 |     <div id="d2"><math><semantics DEFINITIONurl="www.example.org/FOO"><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
    :     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 21 |     <div><math id="m3span-mtext"><mtext><Span>x</Span></mtext></math></div>
    `----
  x Attribute
    ,-[$DIR/tests/fixture/element/math-1/input.html:20:1]
 19 |     <div id="d1"><math><MI MATHVARIANT="BOLD" /></math></div>
 20 |     <div id="d2"><math><semantics DEFINITIONurl="www.example.org/FOO"><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
    :          ^^^^^^^
 21 |     <div><math id="m3span-mtext"><mtext><Span>x</Span></mtext></math></div>
    `----
  x Child
    ,-[$DIR/tests/fixture/element/math-1/input.html:20:1]
 19 |     <div id="d1"><math><MI MATHVARIANT="BOLD" /></math></div>
 20 |     <div id="d2"><math><semantics DEFINITIONurl="www.example.org/FOO"><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
    :                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 21 |     <div><math id="m3span-mtext"><mtext><Span>x</Span></mtext></math></div>
    `----
  x Element
    ,-[$DIR/tests/fixture/element/math-1/input.html:20:1]
 19 |     <div id="d1"><math><MI MATHVARIANT="BOLD" /></math></div>
 20 |     <div id="d2"><math><semantics DEFINITIONurl="www.example.org/FOO"><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
    :                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 21 |     <div><math id="m3span-mtext"><mtext><Span>x</Span></mtext></math></div>
    `----
  x Child
    ,-[$DIR/tests/fixture/element/math-1/input.html:20:1]
 19 |     <div id="d1"><math><MI MATHVARIANT="BOLD" /></math></div>
 20 |     <div id="d2"><math><semantics DEFINITIONurl="www.example.org/FOO"><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
    :                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 21 |     <div><math id="m3span-mtext"><mtext><Span>x</Span></mtext></math></div>
    `----
  x Element
    ,-[$DIR/tests/fixture/element/math-1/input.html:20:1]
 19 |     <div id="d1"><math><MI MATHVARIANT="BOLD" /></math></div>
 20 |     <div id="d2"><math><semantics DEFINITIONurl="www.example.org/FOO"><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
    :                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 21 |     <div><math id="m3span-mtext"><mtext><Span>x</Span></mtext></math></div>
    `----
  x Attribute
    ,-[$DIR/tests/fixture/element/math-1/input.html:20:1]
 19 |     <div id="d1"><math><MI MATHVARIANT="BOLD" /></math></div>
 20 |     <div id="d2"><math><semantics DEFINITIONurl="www.example.org/FOO"><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
    :                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 21 |     <div><math id="m3span-mtext"><mtext><Span>x</Span></mtext></math></div>
    `----
  x Child
    ,-[$DIR/tests/fixture/element/math-1/input.html:20:1]
 19 |     <div id="d1"><math><MI MATHVARIANT="BOLD" /></math></div>
 20 |     <div id="d2"><math><semantics DEFINITIONurl="www.example.org/FOO"><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
    :                                                                       ^^^^^^^^^^
 21 |     <div><math id="m3span-mtext"><mtext><Span>x</Span></mtext></math></div>
    `----
  x Element
    ,-[$DIR/tests/fixture/element/math-1/input.html:20:1]
 19 |     <div id="d1"><math><MI MATHVARIANT="BOLD" /></math></div>
 20 |     <div id="d2"><math><semantics DEFINITIONurl="www.example.org/FOO"><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
    :                                                                       ^^^^^^^^^^
 21 |     <div><math id="m3span-mtext"><mtext><Span>x</Span></mtext></math></div>
    `----
  x Child
    ,-[$DIR/tests/fixture/element/math-1/input.html:20:1]
 19 |     <div id="d1"><math><MI MATHVARIANT="BOLD" /></math></div>
 20 |     <div id="d2"><math><semantics DEFINITIONurl="www.example.org/FOO"><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
    :                                                                           ^
 21 |     <div><math id="m3span-mtext"><mtext><Span>x</Span></mtext></math></div>
    `----
  x Text
    ,-[$DIR/tests/fixture/element/math-1/input.html:20:1]
 19 |     <div id="d1"><math><MI MATHVARIANT="BOLD" /></math></div>
 20 |     <div id="d2"><math><semantics DEFINITIONurl="www.example.org/FOO"><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
    :                                                                           ^
 21 |     <div><math id="m3span-mtext"><mtext><Span>x</Span></mtext></math></div>
    `----
  x Child
    ,-[$DIR/tests/fixture/element/math-1/input.html:20:1]
 19 |     <div id="d1"><math><MI MATHVARIANT="BOLD" /></math></div>
 20 |     <div id="d2"><math><semantics DEFINITIONurl="www.example.org/FOO"><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
    :                                                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 21 |     <div><math id="m3span-mtext"><mtext><Span>x</Span></mtext></math></div>
    `----
  x Element
    ,-[$DIR/tests/fixture/element/math-1/input.html:20:1]
 19 |     <div id="d1"><math><MI MATHVARIANT="BOLD" /></math></div>
 20 |     <div id="d2"><math><semantics DEFINITIONurl="www.example.org/FOO"><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
    :                                                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 21 |     <div><math id="m3span-mtext"><mtext><Span>x</Span></mtext></math></div>
    `----
  x Child
    ,-[$DIR/tests/fixture/element/math-1/input.html:20:1]
 19 |     <div id="d1"><math><MI MATHVARIANT="BOLD" /></math></div>
 20 |     <div id="d2"><math><semantics DEFINITIONurl="www.example.org/FOO"><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
    :                                                                                                 ^^^^^^
 21 |     <div><math id="m3span-mtext"><mtext><Span>x</Span></mtext></math></div>
    `----
  x Element
    ,-[$DIR/tests/fixture/element/math-1/input.html:20:1]
 19 |     <div id="d1"><math><MI MATHVARIANT="BOLD" /></math></div>
 20 |     <div id="d2"><math><semantics DEFINITIONurl="www.example.org/FOO"><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
    :                                                                                                 ^^^^^^
 21 |     <div><math id="m3span-mtext"><mtext><Span>x</Span></mtext></math></div>
    `----
  x Child
    ,-[$DIR/tests/fixture/element/math-1/input.html:20:1]
 19 |     <div id="d1"><math><MI MATHVARIANT="BOLD" /></math></div>
 20 |     <div id="d2"><math><semantics DEFINITIONurl="www.example.org/FOO"><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
    :                                                                                                       ^^^^^^
 21 |     <div><math id="m3span-mtext"><mtext><Span>x</Span></mtext></math></div>
    `----
  x Element
    ,-[$DIR/tests/fixture/element/math-1/input.html:20:1]
 19 |     <div id="d1"><math><MI MATHVARIANT="BOLD" /></math></div>
 20 |     <div id="d2"><math><semantics DEFINITIONurl="www.example.org/FOO"><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
    :                                                                                                       ^^^^^^
 21 |     <div><math id="m3span-mtext"><mtext><Span>x</Span></mtext></math></div>
    `----
  x Child
    ,-[$DIR/tests/fixture/element/math-1/input.html:20:1]
 19 |         <div id="d1"><math><MI MATHVARIANT="BOLD" /></math></div>
 20 | ,->     <div id="d2"><math><semantics DEFINITIONurl="www.example.org/FOO"><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
 21 | `->     <div><math id="m3span-mtext"><mtext><Span>x</Span></mtext></math></div>
 22 |         <div><math id="m3span-mi"><mi><Span>x</Span></mi></math></div>
    `----
  x Text
    ,-[$DIR/tests/fixture/element/math-1/input.html:20:1]
 19 |         <div id="d1"><math><MI MATHVARIANT="BOLD" /></math></div>
 20 | ,->     <div id="d2"><math><semantics DEFINITIONurl="www.example.org/FOO"><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
 21 | `->     <div><math id="m3span-mtext"><mtext><Span>x</Span></mtext></math></div>
 22 |         <div><math id="m3span-mi"><mi><Span>x</Span></mi></math></div>
    `----
  x Child
    ,-[$DIR/tests/fixture/element/math-1/input.html:21:1]
 20 |     <div id="d2"><math><semantics DEFINITIONurl="www.example.org/FOO"><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
 21 |     <div><math id="m3span-mtext"><mtext><Span>x</Span></mtext></math></div>
    :     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 22 |     <div><math id="m3span-mi"><mi><Span>x</Span></mi></math></div>
    `----
  x Element
    ,-[$DIR/tests/fixture/element/math-1/input.html:21:1]
 20 |     <div id="d2"><math><semantics DEFINITIONurl="www.example.org/FOO"><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
 21 |     <div><math id="m3span-mtext"><mtext><Span>x</Span></mtext></math></div>
    :     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 22 |     <div><math id="m3span-mi"><mi><Span>x</Span></mi></math></div>
    `----
  x Child
    ,-[$DIR/tests/fixture/element/math-1/input.html:21:1]
 20 |     <div id="d2"><math><semantics DEFINITIONurl="www.example.org/FOO"><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
 21 |     <div><math id="m3span-mtext"><mtext><Span>x</Span></mtext></math></div>
    :          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 22 |     <div><math id="m3span-mi"><mi><Span>x</Span></mi></math></div>
    `----
  x Element
    ,-[$DIR/tests/fixture/element/math-1/input.html:21:1]
 20 |     <div id="d2"><math><semantics DEFINITIONurl="www.example.org/FOO"><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
 21 |     <div><math id="m3span-mtext"><mtext><Span>x</Span></mtext></math></div>
    :          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 22 |     <div><math id="m3span-mi"><mi><Span>x</Span></mi></math></div>
    `----
  x Attribute
    ,-[$DIR/tests/fixture/element/math-1/input.html:21:1]
 20 |     <div id="d2"><math><semantics DEFINITIONurl="www.example.org/FOO"><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
 21 |     <div><math id="m3span-mtext"><mtext><Span>x</Span></mtext></math></div>
    :                ^^^^^^^^^^^^^^^^^
 22 |     <div><math id="m3span-mi"><mi><Span>x</Span></mi></math></div>
    `----
  x Child
    ,-[$DIR/tests/fixture/element/math-1/input.html:21:1]
 20 |     <div id="d2"><math><semantics DEFINITIONurl="www.example.org/FOO"><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
 21 |     <div><math id="m3span-mtext"><mtext><Span>x</Span></mtext></math></div>
    :                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 22 |     <div><math id="m3span-mi"><mi><Span>x</Span></mi></math></div>
    `----
  x Element
    ,-[$DIR/tests/fixture/element/math-1/input.html:21:1]
 20 |     <div id="d2"><math><semantics DEFINITIONurl="www.example.org/FOO"><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
 21 |     <div><math id="m3span-mtext"><mtext><Span>x</Span></mtext></math></div>
    :                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 22 |     <div><math id="m3span-mi"><mi><Span>x</Span></mi></math></div>
    `----
  x Child
    ,-[$DIR/tests/fixture/element/math-1/input.html:21:1]
 20 |     <div id="d2"><math><semantics DEFINITIONurl="www.example.org/FOO"><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
 21 |     <div><math id="m3span-mtext"><mtext><Span>x</Span></mtext></math></div>
    :                                         ^^^^^^^^^^^^^^
 22 |     <div><math id="m3span-mi"><mi><Span>x</Span></mi></math></div>
    `----
  x Element
    ,-[$DIR/tests/fixture/element/math-1/input.html:21:1]
 20 |     <div id="d2"><math><semantics DEFINITIONurl="www.example.org/FOO"><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
 21 |     <div><math id="m3span-mtext"><mtext><Span>x</Span></mtext></math></div>
    :                                         ^^^^^^^^^^^^^^
 22 |     <div><math id="m3span-mi"><mi><Span>x</Span></mi></math></div>
    `----
  x Child
    ,-[$DIR/tests/fixture/element/math-1/input.html:21:1]
 20 |     <div id="d2"><math><semantics DEFINITIONurl="www.example.org/FOO"><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
 21 |     <div><math id="m3span-mtext"><mtext><Span>x</Span></mtext></math></div>
    :                                               ^
 22 |     <div><math id="m3span-mi"><mi><Span>x</Span></mi></math></div>
    `----
  x Text
    ,-[$DIR/tests/fixture/element/math-1/input.html:21:1]
 20 |     <div id="d2"><math><semantics DEFINITIONurl="www.example.org/FOO"><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
 21 |     <div><math id="m3span-mtext"><mtext><Span>x</Span></mtext></math></div>
    :                                               ^
 22 |     <div><math id="m3span-mi"><mi><Span>x</Span></mi></math></div>
    `----
  x Child
    ,-[$DIR/tests/fixture/element/math-1/input.html:21:1]
 20 |         <div id="d2"><math><semantics DEFINITIONurl="www.example.org/FOO"><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
 21 | ,->     <div><math id="m3span-mtext"><mtext><Span>x</Span></mtext></math></div>
 22 | `->     <div><math id="m3span-mi"><mi><Span>x</Span></mi></math></div>
 23 |         <div><math id="m3p-mtext"><mtext><P>x</P></mtext></math></div>
    `----
  x Text
    ,-[$DIR/tests/fixture/element/math-1/input.html:21:1]
 20 |         <div id="d2"><math><semantics DEFINITIONurl="www.example.org/FOO"><mi>a</mi><annotation-xml><foo/><bar/></annotation-xml></semantics></math></div>
 21 | ,->     <div><math id="m3span-mtext"><mtext><Span>x</Span></mtext></math></div>
 22 | `->     <div><math id="m3span-mi"><mi><Span>x</Span></mi></math></div>
 23 |         <div><math id="m3p-mtext"><mtext><P>x</P></mtext></math></div>
    `----
  x Child
    ,-[$DIR/tests/fixture/element/math-1/input.html:22:1]
 21 |     <div><math id="m3span-mtext"><mtext><Span>x</Span></mtext></math></div>
 22 |     <div><math id="m3span-mi"><mi><Span>x</Span></mi></math></div>
    :     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 23 |     <div><math id="m3p-mtext"><mtext><P>x</P></mtext></math></div>
    `----
  x Element
    ,-[$DIR/tests/fixture/element/math-1/input.html:22:1]
 21 |     <div><math id="m3span-mtext"><mtext><Span>x</Span></mtext></math></div>
 22 |     <div><math id="m3span-mi"><mi><Span>x</Span></mi></math></div>
    :     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 23 |     <div><math id="m3p-mtext"><mtext><P>x</P></mtext></math></div>
    `----
  x Child
    ,-[$DIR/tests/fixture/element/math-1/input.html:22:1]
 21 |     <div><math id="m3span-mtext"><mtext><Span>x</Span></mtext></math></div>
 22 |     <div><math id="m3span-mi"><mi><Span>x</Span></mi></math></div>
    :          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 23 |     <div><math id="m3p-mtext"><mtext><P>x</P></mtext></math></div>
    `----
  x Element
    ,-[$DIR/tests/fixture/element/math-1/input.html:22:1]
 21 |     <div><math id="m3span-mtext"><mtext><Span>x</Span></mtext></math></div>
 22 |     <div><math id="m3span-mi"><mi><Span>x</Span></mi></math></div>
    :          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 23 |     <div><math id="m3p-mtext"><mtext><P>x</P></mtext></math></div>
    `----
  x Attribute
    ,-[$DIR/tests/fixture/element/math-1/input.html:22:1]
 21 |     <div><math id="m3span-mtext"><mtext><Span>x</Span></mtext></math></div>
 22 |     <div><math id="m3span-mi"><mi><Span>x</Span></mi></math></div>
    :                ^^^^^^^^^^^^^^
 23 |     <div><math id="m3p-mtext"><mtext><P>x</P></mtext></math></div>
    `----
  x Child
    ,-[$DIR/tests/fixture/element/math-1/input.html:22:1]
 21 |     <div><math id="m3span-mtext"><mtext><Span>x</Span></mtext></math></div>
 22 |     <div><math id="m3span-mi"><mi><Span>x</Span></mi></math></div>
    :                               ^^^^^^^^^^^^^^^^^^^^^^^
 23 |     <div><math id="m3p-mtext"><mtext><P>x</P></mtext></math></div>
    `----
  x Element
    ,-[$DIR/tests/fixture/element/math-1/input.html:22:1]
 21 |     <div><math id="m3span-mtext"><mtext><Span>x</Span></mtext></math></div>
 22 |     <div><math id="m3span-mi"><mi><Span>x</Span></mi></math></div>
    :                               ^^^^^^^^^^^^^^^^^^^^^^^
 23 |     <div><math id="m3p-mtext"><mtext><P>x</P></mtext></math></div>
    `----
  x Child
    ,-[$DIR/tests/fixture/element/math-1/input.html:22:1]
 21 |     <div><math id="m3span-mtext"><mtext><Span>x</Span></mtext></math></div>
 22 |     <div><math id="m3span-mi"><mi><Span>x</Span></mi></math></div>
    :                                   ^^^^^^^^^^^^^^
 23 |     <div><math id="m3p-mtext"><mtext><P>x</P></mtext></math></div>
    `----
  x Element
    ,-[$DIR/tests/fixture/element/math-1/input.html:22:1]
 21 |     <div><math id="m3span-mtext"><mtext><Span>x</Span></mtext></math></div>
 22 |     <div><math id="m3span-mi"><mi><Span>x</Span></mi></math></div>
    :                                   ^^^^^^^^^^^^^^
 23 |     <div><math id="m3p-mtext"><mtext><P>x</P></mtext></math></div>
    `----
  x Child
    ,-[$DIR/tests/fixture/element/math-1/input.html:22:1]
 21 |     <div><math id="m3span-mtext"><mtext><Span>x</Span></mtext></math></div>
 22 |     <div><math id="m3span-mi"><mi><Span>x</Span></mi></math></div>
    :                                         ^
 23 |     <div><math id="m3p-mtext"><mtext><P>x</P></mtext></math></div>
    `----
  x Text
    ,-[$DIR/tests/fixture/element/math-1/input.html:22:1]
 21 |     <div><math id="m3span-mtext"><mtext><Span>x</Span></mtext></math></div>
 22 |     <div><math id="m3span-mi"><mi><Span>x</Span></mi></math></div>
    :                                         ^
 23 |     <div><math id="m3p-mtext"><mtext><P>x</P></mtext></math></div>
    `----
  x Child
    ,-[$DIR/tests/fixture/element/math-1/input.html:22:1]
 21 |         <div><math id="m3span-mtext"><mtext><Span>x</Span></mtext></math></div>
 22 | ,->     <div><math id="m3span-mi"><mi><Span>x</Span></mi></math></div>
 23 | `->     <div><math id="m3p-mtext"><mtext><P>x</P></mtext></math></div>
 24 |         <div><math id="m3p-mi"><mi><P>x</P></mi></math></div>
    `----
  x Text
    ,-[$DIR/tests/fixture/element/math-1/input.html:22:1]
 21 |         <div><math id="m3span-mtext"><mtext><Span>x</Span></mtext></math></div>
 22 | ,->     <div><math id="m3span-mi"><mi><Span>x</Span></mi></math></div>
 23 | `->     <div><math id="m3p-mtext"><mtext><P>x</P></mtext></math></div>
 24 |         <div><math id="m3p-mi"><mi><P>x</P></mi></math></div>
    `----
  x Child
    ,-[$DIR/tests/fixture/element/math-1/input.html:23:1]
 22 |     <div><math id="m3span-mi"><mi><Span>x</Span></mi></math></div>
 23 |     <div><math id="m3p-mtext"><mtext><P>x</P></mtext></math></div>
    :     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 24 |     <div><math id="m3p-mi"><mi><P>x</P></mi></math></div>
    `----
  x Element
    ,-[$DIR/tests/fixture/element/math-1/input.html:23:1]
 22 |     <div><math id="m3span-mi"><mi><Span>x</Span></mi></math></div>
 23 |     <div><math id="m3p-mtext"><mtext><P>x</P></mtext></math></div>
    :     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 24 |     <div><math id="m3p-mi"><mi><P>x</P></mi></math></div>
    `----
  x Child
    ,-[$DIR/tests/fixture/element/math-1/input.html:23:1]
 22 |     <div><math id="m3span-mi"><mi><Span>x</Span></mi></math></div>
 23 |     <div><math id="m3p-mtext"><mtext><P>x</P></mtext></math></div>
    :          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 24 |     <div><math id="m3p-mi"><mi><P>x</P></mi></math></div>
    `----
  x Element
    ,-[$DIR/tests/fixture/element/math-1/input.html:23:1]
 22 |     <div><math id="m3span-mi"><mi><Span>x</Span></mi></math></div>
 23 |     <div><math id="m3p-mtext"><mtext><P>x</P></mtext></math></div>
    :          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 24 |     <div><math id="m3p-mi"><mi><P>x</P></mi></math></div>
    `----
  x Attribute
    ,-[$DIR/tests/fixture/element/math-1/input.html:23:1]
 22 |     <div><math id="m3span-mi"><mi><Span>x</Span></mi></math></div>
 23 |     <div><math id="m3p-mtext"><mtext><P>x</P></mtext></math></div>
    :                ^^^^^^^^^^^^^^
 24 |     <div><math id="m3p-mi"><mi><P>x</P></mi></math></div>
    `----
  x Child
    ,-[$DIR/tests/fixture/element/math-1/input.html:23:1]
 22 |     <div><math id="m3span-mi"><mi><Span>x</Span></mi></math></div>
 23 |     <div><math id="m3p-mtext"><mtext><P>x</P></mtext></math></div>
    :                               ^^^^^^^^^^^^^^^^^^^^^^^
 24 |     <div><math id="m3p-mi"><mi><P>x</P></mi></math></div>
    `----
  x Element
    ,-[$DIR/tests/fixture/element/math-1/input.html:23:1]
 22 |     <div><math id="m3span-mi"><mi><Span>x</Span></mi></math></div>
 23 |     <div><math id="m3p-mtext"><mtext><P>x</P></mtext></math></div>
    :                               ^^^^^^^^^^^^^^^^^^^^^^^
 24 |     <div><math id="m3p-mi"><mi><P>x</P></mi></math></div>
    `----
  x Child
    ,-[$DIR/tests/fixture/element/math-1/input.html:23:1]
 22 |     <div><math id="m3span-mi"><mi><Span>x</Span></mi></math></div>
 23 |     <div><math id="m3p-mtext"><mtext><P>x</P></mtext></math></div>
    :                                      ^^^^^^^^
 24 |     <div><math id="m3p-mi"><mi><P>x</P></mi></math></div>
    `----
  x Element
    ,-[$DIR/tests/fixture/element/math-1/input.html:23:1]
 22 |     <div><math id="m3span-mi"><mi><Span>x</Span></mi></math></div>
 23 |     <div><math id="m3p-mtext"><mtext><P>x</P></mtext></math></div>
    :                                      ^^^^^^^^
 24 |     <div><math id="m3p-mi"><mi><P>x</P></mi></math></div>
    `----
  x Child
    ,-[$DIR/tests/fixture/element/math-1/input.html:23:1]
 22 |     <div><math id="m3span-mi"><mi><Span>x</Span></mi></math></div>
 23 |     <div><math id="m3p-mtext"><mtext><P>x</P></mtext></math></div>
    :                                         ^
 24 |     <div><math id="m3p-mi"><mi><P>x</P></mi></math></div>
    `----
  x Text
    ,-[$DIR/tests/fixture/element/math-1/input.html:23:1]
 22 |     <div><math id="m3span-mi"><mi><Span>x</Span></mi></math></div>
 23 |     <div><math id="m3p-mtext"><mtext><P>x</P></mtext></math></div>
    :                                         ^
 24 |     <div><math id="m3p-mi"><mi><P>x</P></mi></math></div>
    `----
  x Child
    ,-[$DIR/tests/fixture/element/math-1/input.html:23:1]
 22 |         <div><math id="m3span-mi"><mi><Span>x</Span></mi></math></div>
 23 | ,->     <div><math id="m3p-mtext"><mtext><P>x</P></mtext></math></div>
 24 | `->     <div><math id="m3p-mi"><mi><P>x</P></mi></math></div>
 25 |     </div>
    `----
  x Text
    ,-[$DIR/tests/fixture/element/math-1/input.html:23:1]
 22 |         <div><math id="m3span-mi"><mi><Span>x</Span></mi></math></div>
 23 | ,->     <div><math id="m3p-mtext"><mtext><P>x</P></mtext></math></div>
 24 | `->     <div><math id="m3p-mi"><mi><P>x</P></mi></math></div>
 25 |     </div>
    `----
  x Child
    ,-[$DIR/tests/fixture/element/math-1/input.html:24:1]
 23 |     <div><math id="m3p-mtext"><mtext><P>x</P></mtext></math></div>
 24 |     <div><math id="m3p-mi"><mi><P>x</P></mi></math></div>
    :     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 25 | </div>
    `----
  x Element
    ,-[$DIR/tests/fixture/element/math-1/input.html:24:1]
 23 |     <div><math id="m3p-mtext"><mtext><P>x</P></mtext></math></div>
 24 |     <div><math id="m3p-mi"><mi><P>x</P></mi></math></div>
    :     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 25 | </div>
    `----
  x Child
    ,-[$DIR/tests/fixture/element/math-1/input.html:24:1]
 23 |     <div><math id="m3p-mtext"><mtext><P>x</P></mtext></math></div>
 24 |     <div><math id="m3p-mi"><mi><P>x</P></mi></math></div>
    :          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 25 | </div>
    `----
  x Element
    ,-[$DIR/tests/fixture/element/math-1/input.html:24:1]
 23 |     <div><math id="m3p-mtext"><mtext><P>x</P></mtext></math></div>
 24 |     <div><math id="m3p-mi"><mi><P>x</P></mi></math></div>
    :          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 25 | </div>
    `----
  x Attribute
    ,-[$DIR/tests/fixture/element/math-1/input.html:24:1]
 23 |     <div><math id="m3p-mtext"><mtext><P>x</P></mtext></math></div>
 24 |     <div><math id="m3p-mi"><mi><P>x</P></mi></math></div>
    :                ^^^^^^^^^^^
 25 | </div>
    `----
  x Child
    ,-[$DIR/tests/fixture/element/math-1/input.html:24:1]
 23 |     <div><math id="m3p-mtext"><mtext><P>x</P></mtext></math></div>
 24 |     <div><math id="m3p-mi"><mi><P>x</P></mi></math></div>
    :                            ^^^^^^^^^^^^^^^^^
 25 | </div>
    `----
  x Element
    ,-[$DIR/tests/fixture/element/math-1/input.html:24:1]
 23 |     <div><math id="m3p-mtext"><mtext><P>x</P></mtext></math></div>
 24 |     <div><math id="m3p-mi"><mi><P>x</P></mi></math></div>
    :                            ^^^^^^^^^^^^^^^^^
 25 | </div>
    `----
  x Child
    ,-[$DIR/tests/fixture/element/math-1/input.html:24:1]
 23 |     <div><math id="m3p-mtext"><mtext><P>x</P></mtext></math></div>
 24 |     <div><math id="m3p-mi"><mi><P>x</P></mi></math></div>
    :                                ^^^^^^^^
 25 | </div>
    `----
  x Element
    ,-[$DIR/tests/fixture/element/math-1/input.html:24:1]
 23 |     <div><math id="m3p-mtext"><mtext><P>x</P></mtext></math></div>
 24 |     <div><math id="m3p-mi"><mi><P>x</P></mi></math></div>
    :                                ^^^^^^^^
 25 | </div>
    `----
  x Child
    ,-[$DIR/tests/fixture/element/math-1/input.html:24:1]
 23 |     <div><math id="m3p-mtext"><mtext><P>x</P></mtext></math></div>
 24 |     <div><math id="m3p-mi"><mi><P>x</P></mi></math></div>
    :                                   ^
 25 | </div>
    `----
  x Text
    ,-[$DIR/tests/fixture/element/math-1/input.html:24:1]
 23 |     <div><math id="m3p-mtext"><mtext><P>x</P></mtext></math></div>
 24 |     <div><math id="m3p-mi"><mi><P>x</P></mi></math></div>
    :                                   ^
 25 | </div>
    `----
  x Child
    ,-[$DIR/tests/fixture/element/math-1/input.html:24:1]
 23 |     <div><math id="m3p-mtext"><mtext><P>x</P></mtext></math></div>
 24 |     <div><math id="m3p-mi"><mi><P>x</P></mi></math></div>
    :                                                          ^
 25 | </div>
 26 | </body>
    `----
  x Text
    ,-[$DIR/tests/fixture/element/math-1/input.html:24:1]
 23 |     <div><math id="m3p-mtext"><mtext><P>x</P></mtext></math></div>
 24 |     <div><math id="m3p-mi"><mi><P>x</P></mi></math></div>
    :                                                          ^
 25 | </div>
 26 | </body>
    `----
  x Child
    ,-[$DIR/tests/fixture/element/math-1/input.html:25:1]
 24 |         <div><math id="m3p-mi"><mi><P>x</P></mi></math></div>
 25 | ,-> </div>
 26 | `-> </body>
 27 |     </html>
    `----
  x Text
    ,-[$DIR/tests/fixture/element/math-1/input.html:25:1]
 24 |         <div><math id="m3p-mi"><mi><P>x</P></mi></math></div>
 25 | ,-> </div>
 26 | `-> </body>
 27 |     </html>
    `----
