Qt5 QGraphicsSvgItem忽略SVG文本间距

.svg文件看起来像加载到chrome中的内容：

.svg文件加载到我的应用程序中的样子：

\lim 被切断了，但那是无关紧要的 . 所以当我这样做时：

self._svg = QGraphicsSvgItem("dvisvgm_output.svg")

它导致了上述情况 . 我没有设置任何SVG相关的标志或任何东西 . 此SVG文件由 latex.exe 和 dvisvgm.exe 以通常方式生成 .

这是实际的SVG代码：

<?xml version='1.0' encoding='UTF-8'?>
<!-- This file was generated by dvisvgm 2.4 -->
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<text class='f1' x='-72.000004' y='-65.081506'>Example<tspan x='-30.627253'>with</tspan>
<tspan x='-7.934519'>no</tspan>
<tspan x='5.902512'>pac</tspan>
<tspan x='20.569771'>k</tspan>
<tspan x='25.274377'>ages</tspan>
<tspan x='46.915499'>and</tspan>
<tspan x='66.287347'>no</tspan>
<tspan x='80.124378'>fon</tspan>
<tspan x='93.407943'>t</tspan>
<tspan x='100.603192'>commands</tspan>
<tspan x='149.918399'>lim</tspan>
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<text class='f0' x='165.415841' y='-65.081506'>β</text>
<text class='f1' x='171.57677' y='-65.081506'>.</text>
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</svg>