不同浏览器的svg公式文件不同
我有一个svg文件
它源自单词文件mathtype。
我使用浏览器上显示的内容。
但是
使用Internet Explorer时，原始文件显示得很好
但是与其他浏览器（chrome，firefox）不同，它与原始浏览器不匹配。大括号错误。与下图相同
-使用Chrome浏览器
-使用Internet Explorer浏览器
这是内容文件svg
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.0//EN" "http://www.w3.org/TR/2001/REC-SVG-20010904/DTD/svg10.dtd">
<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" fill-rule="evenodd" height="0.4722222222222222in" preserveAspectRatio="none" stroke-linecap="round" viewBox="0 0 11264 1088" width="4.888888888888889in">
<style type="text/css">
.brush0 { fill: rgb(255,255,255); }
.pen0 { stroke: rgb(0,0,0); stroke-width: 1; stroke-linejoin: round; }
.pen1 { stroke: rgb(0,0,0); stroke-width: 16; stroke-linejoin: round; }
.font0 { font-size: 413px; font-family: Symbol, serif; }
.pen2 { stroke: rgb(0,0,0); stroke-width: 1; stroke-linejoin: round; }
.brush1 { fill: rgb(0,0,0); }
.pen3 { stroke: none; }
.font1 { font-size: 202px; font-family: "Times New Roman", serif; }
.font2 { font-size: 346px; font-family: "Times New Roman", serif; }
.font3 { font-style: italic; font-size: 346px; font-family: "Times New Roman", serif; }
.font4 { font-size: 313px; font-family: Symbol, serif; }
.brush2 { fill: rgb(0,0,0); }
.font5 { font-weight: bold; font-size: 16px; font-family: System, sans-serif; }
</style>
<g>
<line class="pen1" fill="none" x1="714" x2="714" y1="346" y2="806"/>
<line class="pen1" fill="none" x1="1077" x2="1077" y1="346" y2="806"/>
<line class="pen1" fill="none" x1="1631" x2="1631" y1="346" y2="806"/>
<line class="pen1" fill="none" x1="2036" x2="2036" y1="346" y2="806"/>
<text class="font0" fill="rgb(0,0,0)" stroke="none" style="dominant-baseline: alphabetic;" x="3054" xml:space="preserve" y="700">(</text>
<text class="font0" fill="rgb(0,0,0)" stroke="none" style="dominant-baseline: alphabetic;" x="3604" xml:space="preserve" y="700">)</text>
<line class="pen2" fill="none" x1="2816" x2="2854" y1="628" y2="595"/>
<line class="pen2" fill="none" x1="2854" x2="2947" y1="595" y2="840"/>
<line class="pen2" fill="none" x1="2947" x2="3049" y1="840" y2="192"/>
<line class="pen2" fill="none" x1="3049" x2="4582" y1="192" y2="192"/>
<polygon class="pen3 brush1" points="2812,624 2865,578 2947,783 3042,183 4582,183 4582,202 3057,202 2957,840 2938,840 2844,612 2820,633"/>
<text class="font0" fill="rgb(0,0,0)" stroke="none" style="dominant-baseline: alphabetic;" x="5730" xml:space="preserve" y="700">(</text>
<text class="font0" fill="rgb(0,0,0)" stroke="none" style="dominant-baseline: alphabetic;" x="6280" xml:space="preserve" y="700">)</text>
<text class="font0" fill="rgb(0,0,0)" stroke="none" style="dominant-baseline: alphabetic;" x="6900" xml:space="preserve" y="700">(</text>
<text class="font0" fill="rgb(0,0,0)" stroke="none" style="dominant-baseline: alphabetic;" x="7468" xml:space="preserve" y="700">)</text>
<line class="pen2" fill="none" x1="5492" x2="5530" y1="628" y2="595"/>
<line class="pen2" fill="none" x1="5530" x2="5623" y1="595" y2="840"/>
<line class="pen2" fill="none" x1="5623" x2="5725" y1="840" y2="192"/>
<line class="pen2" fill="none" x1="5725" x2="7772" y1="192" y2="192"/>
<polygon class="pen3 brush1" points="5488,624 5541,578 5623,783 5718,183 7772,183 7772,202 5733,202 5633,840 5614,840 5520,612 5496,633"/>
<line class="pen2" fill="none" x1="8371" x2="8410" y1="578" y2="556"/>
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<line class="pen2" fill="none" x1="8605" x2="8978" y1="303" y2="303"/>
<polygon class="pen3 brush1" points="8368,573 8421,544 8504,670 8598,294 8978,294 8978,313 8612,313 8513,710 8494,710 8400,569 8374,584"/>
<line class="pen2" fill="none" x1="9347" x2="9386" y1="578" y2="556"/>
<line class="pen2" fill="none" x1="9386" x2="9479" y1="556" y2="710"/>
<line class="pen2" fill="none" x1="9479" x2="9581" y1="710" y2="303"/>
<line class="pen2" fill="none" x1="9581" x2="9954" y1="303" y2="303"/>
<polygon class="pen3 brush1" points="9344,573 9397,544 9480,670 9574,294 9954,294 9954,313 9588,313 9489,710 9470,710 9376,569 9350,584"/>
<line class="pen2" fill="none" x1="10563" x2="10602" y1="578" y2="556"/>
<line class="pen2" fill="none" x1="10602" x2="10695" y1="556" y2="710"/>
<line class="pen2" fill="none" x1="10695" x2="10797" y1="710" y2="303"/>
<line class="pen2" fill="none" x1="10797" x2="11170" y1="303" y2="303"/>
<polygon class="pen3 brush1" points="10560,573 10613,544 10696,670 10790,294 11170,294 11170,313 10804,313 10705,710 10686,710 10592,569 10566,584"/>
<text class="font1" fill="rgb(0,0,0)" stroke="none" style="dominant-baseline: alphabetic;" x="4797" xml:lang="en" xml:space="preserve" y="245">2</text>
<text class="font1" fill="rgb(0,0,0)" stroke="none" style="dominant-baseline: alphabetic;" x="3739 6415 7603" xml:lang="en" xml:space="preserve" y="438">222</text>
<text class="font1" fill="rgb(0,0,0)" stroke="none" style="dominant-baseline: alphabetic;" x="1120 2079" xml:lang="en" xml:space="preserve" y="440">22</text>
<text class="font1" fill="rgb(0,0,0)" stroke="none" style="dominant-baseline: alphabetic;" x="4413" xml:lang="en" xml:space="preserve" y="500">2</text>
<text class="font1" fill="rgb(0,0,0)" stroke="none" style="dominant-baseline: alphabetic;" x="911 1853" xml:lang="en" xml:space="preserve" y="771">12</text>
<text class="font2" fill="rgb(0,0,0)" stroke="none" style="dominant-baseline: alphabetic;" x="3422 4224 6098 7268 8580 8772 9556 9748 10356 10772 10964" xml:lang="en" xml:space="preserve" y="672">13131010210</text>
<text class="font3" fill="rgb(0,0,0)" stroke="none" style="dominant-baseline: alphabetic;" x="88 780 1697" xml:lang="en" xml:space="preserve" y="672">Azz</text>
<text class="font4" fill="rgb(0,0,0)" stroke="none" style="dominant-baseline: alphabetic;" x="2606 4638 5282 7828" xml:space="preserve" y="505">
<tspan font-family="serif">⎛⎞⎛⎞</tspan>
</text>
<text class="font4" fill="rgb(0,0,0)" stroke="none" style="dominant-baseline: alphabetic;" x="400 1335 2318 3212 3954 5012 5888 6630 7058 8062 9056 10056" xml:space="preserve" y="672">=+=<tspan font-family="serif">−</tspan>++<tspan font-family="serif">−</tspan>+<tspan font-family="serif">−</tspan>=+=</text>
<text class="font4" fill="rgb(0,0,0)" stroke="none" style="dominant-baseline: alphabetic;" x="2606 4638 5282 7828" xml:space="preserve" y="730">
<tspan font-family="serif">⎜⎟⎜⎟</tspan>
</text>
<text class="font4" fill="rgb(0,0,0)" stroke="none" style="dominant-baseline: alphabetic;" x="2606 4638 5282 7828" xml:space="preserve" y="971">
<tspan font-family="serif">⎝⎠⎝⎠</tspan>
</text>
</g>
</svg>谁有这个问题的经验，请帮帮我！
1 个答案:
答案 0 :(得分：2)
Internet Explorer的渲染似乎对我来说是错误的。假设文件已正确复制到此问题。
实际上，该文件看起来不对，不是Chrome或Firefox。
问题：
使用x属性的多坐标版本定位大括号。
x="2606 4638 5282 7828"
这意味着您应该将文本的第一个字符（第一个左括号的顶部）放置在x=2606处。第二个（第一个右括号的顶部）在x=4638等处
但是有问题。 <text>元素指定xml:space="preserve"。这告诉浏览器将文本中的每个字符都视为有效字符。即使是空格字符，例如换行符。这正是问题所在。这些大括号文本元素如下所示：
<text class="font4" fill="rgb(0,0,0)" stroke="none" style="dominant-baseline: alphabetic;" x="2606 4638 5282 7828" xml:space="preserve" y="505">
<tspan font-family="serif">⎛⎞⎛⎞</tspan>
</text>
<text>和<tspan>标签之间以及</tspan>和</text>标签之间有换行符。因此，<text>元素中实际上有六个字符，而不是四个。
<newline> ( ) ( ) <newline>
因此，第一条换行符错误地采用了第一个x=2606坐标。
有三种方法可以解决此问题：
1。删除上述换行符
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.0//EN" "http://www.w3.org/TR/2001/REC-SVG-20010904/DTD/svg10.dtd">
<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" fill-rule="evenodd" height="0.4722222222222222in" preserveAspectRatio="none" stroke-linecap="round" viewBox="0 0 11264 1088" width="4.888888888888889in">
<style type="text/css">
.brush0 { fill: rgb(255,255,255); }
.pen0 { stroke: rgb(0,0,0); stroke-width: 1; stroke-linejoin: round; }
.pen1 { stroke: rgb(0,0,0); stroke-width: 16; stroke-linejoin: round; }
.font0 { font-size: 413px; font-family: Symbol, serif; }
.pen2 { stroke: rgb(0,0,0); stroke-width: 1; stroke-linejoin: round; }
.brush1 { fill: rgb(0,0,0); }
.pen3 { stroke: none; }
.font1 { font-size: 202px; font-family: "Times New Roman", serif; }
.font2 { font-size: 346px; font-family: "Times New Roman", serif; }
.font3 { font-style: italic; font-size: 346px; font-family: "Times New Roman", serif; }
.font4 { font-size: 313px; font-family: Symbol, serif; }
.brush2 { fill: rgb(0,0,0); }
.font5 { font-weight: bold; font-size: 16px; font-family: System, sans-serif; }
</style>
<g>
<line class="pen1" fill="none" x1="714" x2="714" y1="346" y2="806"/>
<line class="pen1" fill="none" x1="1077" x2="1077" y1="346" y2="806"/>
<line class="pen1" fill="none" x1="1631" x2="1631" y1="346" y2="806"/>
<line class="pen1" fill="none" x1="2036" x2="2036" y1="346" y2="806"/>
<text class="font0" fill="rgb(0,0,0)" stroke="none" style="dominant-baseline: alphabetic;" x="3054" xml:space="preserve" y="700">(</text>
<text class="font0" fill="rgb(0,0,0)" stroke="none" style="dominant-baseline: alphabetic;" x="3604" xml:space="preserve" y="700">)</text>
<line class="pen2" fill="none" x1="2816" x2="2854" y1="628" y2="595"/>
<line class="pen2" fill="none" x1="2854" x2="2947" y1="595" y2="840"/>
<line class="pen2" fill="none" x1="2947" x2="3049" y1="840" y2="192"/>
<line class="pen2" fill="none" x1="3049" x2="4582" y1="192" y2="192"/>
<polygon class="pen3 brush1" points="2812,624 2865,578 2947,783 3042,183 4582,183 4582,202 3057,202 2957,840 2938,840 2844,612 2820,633"/>
<text class="font0" fill="rgb(0,0,0)" stroke="none" style="dominant-baseline: alphabetic;" x="5730" xml:space="preserve" y="700">(</text>
<text class="font0" fill="rgb(0,0,0)" stroke="none" style="dominant-baseline: alphabetic;" x="6280" xml:space="preserve" y="700">)</text>
<text class="font0" fill="rgb(0,0,0)" stroke="none" style="dominant-baseline: alphabetic;" x="6900" xml:space="preserve" y="700">(</text>
<text class="font0" fill="rgb(0,0,0)" stroke="none" style="dominant-baseline: alphabetic;" x="7468" xml:space="preserve" y="700">)</text>
<line class="pen2" fill="none" x1="5492" x2="5530" y1="628" y2="595"/>
<line class="pen2" fill="none" x1="5530" x2="5623" y1="595" y2="840"/>
<line class="pen2" fill="none" x1="5623" x2="5725" y1="840" y2="192"/>
<line class="pen2" fill="none" x1="5725" x2="7772" y1="192" y2="192"/>
<polygon class="pen3 brush1" points="5488,624 5541,578 5623,783 5718,183 7772,183 7772,202 5733,202 5633,840 5614,840 5520,612 5496,633"/>
<line class="pen2" fill="none" x1="8371" x2="8410" y1="578" y2="556"/>
<line class="pen2" fill="none" x1="8410" x2="8503" y1="556" y2="710"/>
<line class="pen2" fill="none" x1="8503" x2="8605" y1="710" y2="303"/>
<line class="pen2" fill="none" x1="8605" x2="8978" y1="303" y2="303"/>
<polygon class="pen3 brush1" points="8368,573 8421,544 8504,670 8598,294 8978,294 8978,313 8612,313 8513,710 8494,710 8400,569 8374,584"/>
<line class="pen2" fill="none" x1="9347" x2="9386" y1="578" y2="556"/>
<line class="pen2" fill="none" x1="9386" x2="9479" y1="556" y2="710"/>
<line class="pen2" fill="none" x1="9479" x2="9581" y1="710" y2="303"/>
<line class="pen2" fill="none" x1="9581" x2="9954" y1="303" y2="303"/>
<polygon class="pen3 brush1" points="9344,573 9397,544 9480,670 9574,294 9954,294 9954,313 9588,313 9489,710 9470,710 9376,569 9350,584"/>
<line class="pen2" fill="none" x1="10563" x2="10602" y1="578" y2="556"/>
<line class="pen2" fill="none" x1="10602" x2="10695" y1="556" y2="710"/>
<line class="pen2" fill="none" x1="10695" x2="10797" y1="710" y2="303"/>
<line class="pen2" fill="none" x1="10797" x2="11170" y1="303" y2="303"/>
<polygon class="pen3 brush1" points="10560,573 10613,544 10696,670 10790,294 11170,294 11170,313 10804,313 10705,710 10686,710 10592,569 10566,584"/>
<text class="font1" fill="rgb(0,0,0)" stroke="none" style="dominant-baseline: alphabetic;" x="4797" xml:lang="en" xml:space="preserve" y="245">2</text>
<text class="font1" fill="rgb(0,0,0)" stroke="none" style="dominant-baseline: alphabetic;" x="3739 6415 7603" xml:lang="en" xml:space="preserve" y="438">222</text>
<text class="font1" fill="rgb(0,0,0)" stroke="none" style="dominant-baseline: alphabetic;" x="1120 2079" xml:lang="en" xml:space="preserve" y="440">22</text>
<text class="font1" fill="rgb(0,0,0)" stroke="none" style="dominant-baseline: alphabetic;" x="4413" xml:lang="en" xml:space="preserve" y="500">2</text>
<text class="font1" fill="rgb(0,0,0)" stroke="none" style="dominant-baseline: alphabetic;" x="911 1853" xml:lang="en" xml:space="preserve" y="771">12</text>
<text class="font2" fill="rgb(0,0,0)" stroke="none" style="dominant-baseline: alphabetic;" x="3422 4224 6098 7268 8580 8772 9556 9748 10356 10772 10964" xml:lang="en" xml:space="preserve" y="672">13131010210</text>
<text class="font3" fill="rgb(0,0,0)" stroke="none" style="dominant-baseline: alphabetic;" x="88 780 1697" xml:lang="en" xml:space="preserve" y="672">Azz</text>
<text class="font4" fill="rgb(0,0,0)" stroke="none" style="dominant-baseline: alphabetic;" x="2606 4638 5282 7828" xml:space="preserve" y="505"><tspan font-family="serif">⎛⎞⎛⎞</tspan></text>
<text class="font4" fill="rgb(0,0,0)" stroke="none" style="dominant-baseline: alphabetic;" x="400 1335 2318 3212 3954 5012 5888 6630 7058 8062 9056 10056" xml:space="preserve" y="672">=+=<tspan font-family="serif">−</tspan>++<tspan font-family="serif">−</tspan>+<tspan font-family="serif">−</tspan>=+=</text>
<text class="font4" fill="rgb(0,0,0)" stroke="none" style="dominant-baseline: alphabetic;" x="2606 4638 5282 7828" xml:space="preserve" y="730"><tspan font-family="serif">⎜⎟⎜⎟</tspan></text>
<text class="font4" fill="rgb(0,0,0)" stroke="none" style="dominant-baseline: alphabetic;" x="2606 4638 5282 7828" xml:space="preserve" y="971"><tspan font-family="serif">⎝⎠⎝⎠</tspan></text>
</g>
</svg>
2。删除xml:space="preserve"属性
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.0//EN" "http://www.w3.org/TR/2001/REC-SVG-20010904/DTD/svg10.dtd">
<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" fill-rule="evenodd" height="0.4722222222222222in" preserveAspectRatio="none" stroke-linecap="round" viewBox="0 0 11264 1088" width="4.888888888888889in">
<style type="text/css">
.brush0 { fill: rgb(255,255,255); }
.pen0 { stroke: rgb(0,0,0); stroke-width: 1; stroke-linejoin: round; }
.pen1 { stroke: rgb(0,0,0); stroke-width: 16; stroke-linejoin: round; }
.font0 { font-size: 413px; font-family: Symbol, serif; }
.pen2 { stroke: rgb(0,0,0); stroke-width: 1; stroke-linejoin: round; }
.brush1 { fill: rgb(0,0,0); }
.pen3 { stroke: none; }
.font1 { font-size: 202px; font-family: "Times New Roman", serif; }
.font2 { font-size: 346px; font-family: "Times New Roman", serif; }
.font3 { font-style: italic; font-size: 346px; font-family: "Times New Roman", serif; }
.font4 { font-size: 313px; font-family: Symbol, serif; }
.brush2 { fill: rgb(0,0,0); }
.font5 { font-weight: bold; font-size: 16px; font-family: System, sans-serif; }
</style>
<g>
<line class="pen1" fill="none" x1="714" x2="714" y1="346" y2="806"/>
<line class="pen1" fill="none" x1="1077" x2="1077" y1="346" y2="806"/>
<line class="pen1" fill="none" x1="1631" x2="1631" y1="346" y2="806"/>
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<text class="font0" fill="rgb(0,0,0)" stroke="none" style="dominant-baseline: alphabetic;" x="3054" xml:space="preserve" y="700">(</text>
<text class="font0" fill="rgb(0,0,0)" stroke="none" style="dominant-baseline: alphabetic;" x="3604" xml:space="preserve" y="700">)</text>
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<line class="pen2" fill="none" x1="2947" x2="3049" y1="840" y2="192"/>
<line class="pen2" fill="none" x1="3049" x2="4582" y1="192" y2="192"/>
<polygon class="pen3 brush1" points="2812,624 2865,578 2947,783 3042,183 4582,183 4582,202 3057,202 2957,840 2938,840 2844,612 2820,633"/>
<text class="font0" fill="rgb(0,0,0)" stroke="none" style="dominant-baseline: alphabetic;" x="5730" xml:space="preserve" y="700">(</text>
<text class="font0" fill="rgb(0,0,0)" stroke="none" style="dominant-baseline: alphabetic;" x="6280" xml:space="preserve" y="700">)</text>
<text class="font0" fill="rgb(0,0,0)" stroke="none" style="dominant-baseline: alphabetic;" x="6900" xml:space="preserve" y="700">(</text>
<text class="font0" fill="rgb(0,0,0)" stroke="none" style="dominant-baseline: alphabetic;" x="7468" xml:space="preserve" y="700">)</text>
<line class="pen2" fill="none" x1="5492" x2="5530" y1="628" y2="595"/>
<line class="pen2" fill="none" x1="5530" x2="5623" y1="595" y2="840"/>
<line class="pen2" fill="none" x1="5623" x2="5725" y1="840" y2="192"/>
<line class="pen2" fill="none" x1="5725" x2="7772" y1="192" y2="192"/>
<polygon class="pen3 brush1" points="5488,624 5541,578 5623,783 5718,183 7772,183 7772,202 5733,202 5633,840 5614,840 5520,612 5496,633"/>
<line class="pen2" fill="none" x1="8371" x2="8410" y1="578" y2="556"/>
<line class="pen2" fill="none" x1="8410" x2="8503" y1="556" y2="710"/>
<line class="pen2" fill="none" x1="8503" x2="8605" y1="710" y2="303"/>
<line class="pen2" fill="none" x1="8605" x2="8978" y1="303" y2="303"/>
<polygon class="pen3 brush1" points="8368,573 8421,544 8504,670 8598,294 8978,294 8978,313 8612,313 8513,710 8494,710 8400,569 8374,584"/>
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<line class="pen2" fill="none" x1="10563" x2="10602" y1="578" y2="556"/>
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<line class="pen2" fill="none" x1="10695" x2="10797" y1="710" y2="303"/>
<line class="pen2" fill="none" x1="10797" x2="11170" y1="303" y2="303"/>
<polygon class="pen3 brush1" points="10560,573 10613,544 10696,670 10790,294 11170,294 11170,313 10804,313 10705,710 10686,710 10592,569 10566,584"/>
<text class="font1" fill="rgb(0,0,0)" stroke="none" style="dominant-baseline: alphabetic;" x="4797" xml:lang="en" xml:space="preserve" y="245">2</text>
<text class="font1" fill="rgb(0,0,0)" stroke="none" style="dominant-baseline: alphabetic;" x="3739 6415 7603" xml:lang="en" xml:space="preserve" y="438">222</text>
<text class="font1" fill="rgb(0,0,0)" stroke="none" style="dominant-baseline: alphabetic;" x="1120 2079" xml:lang="en" xml:space="preserve" y="440">22</text>
<text class="font1" fill="rgb(0,0,0)" stroke="none" style="dominant-baseline: alphabetic;" x="4413" xml:lang="en" xml:space="preserve" y="500">2</text>
<text class="font1" fill="rgb(0,0,0)" stroke="none" style="dominant-baseline: alphabetic;" x="911 1853" xml:lang="en" xml:space="preserve" y="771">12</text>
<text class="font2" fill="rgb(0,0,0)" stroke="none" style="dominant-baseline: alphabetic;" x="3422 4224 6098 7268 8580 8772 9556 9748 10356 10772 10964" xml:lang="en" xml:space="preserve" y="672">13131010210</text>
<text class="font3" fill="rgb(0,0,0)" stroke="none" style="dominant-baseline: alphabetic;" x="88 780 1697" xml:lang="en" xml:space="preserve" y="672">Azz</text>
<text class="font4" fill="rgb(0,0,0)" stroke="none" style="dominant-baseline: alphabetic;" x="2606 4638 5282 7828" y="505">
<tspan font-family="serif">⎛⎞⎛⎞</tspan>
</text>
<text class="font4" fill="rgb(0,0,0)" stroke="none" style="dominant-baseline: alphabetic;" x="400 1335 2318 3212 3954 5012 5888 6630 7058 8062 9056 10056" xml:space="preserve" y="672">=+=<tspan font-family="serif">−</tspan>++<tspan font-family="serif">−</tspan>+<tspan font-family="serif">−</tspan>=+=</text>
<text class="font4" fill="rgb(0,0,0)" stroke="none" style="dominant-baseline: alphabetic;" x="2606 4638 5282 7828" y="730">
<tspan font-family="serif">⎜⎟⎜⎟</tspan>
</text>
<text class="font4" fill="rgb(0,0,0)" stroke="none" style="dominant-baseline: alphabetic;" x="2606 4638 5282 7828" y="971">
<tspan font-family="serif">⎝⎠⎝⎠</tspan>
</text>
</g>
</svg>
3。删除似乎不必要的<tspan>元素
（我没有为此烦恼的示例，因为其他两种解决方案更好）。
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