this mathml to latex fail

[chenjiayu119]

After converting the following mathml to latex, the rendering result of this latex being converted to mathml again through the mathjax plugin will be missing parentheses（下面的mathml 转换成latex后，这个latex再次经过mathjax插件转换为mathml后的渲染结果会缺少括号）

$$\left(a\right)+\left[b\right]+\left\{c\right\}+\langle d\rangle +\lfloor e\rfloor +\lceil f\rceil +\left|g\right|+\Vert h\Vert +\left[i\right[+\left]j\right]+\left]k\right]+\left]l\right[+⟦m⟧+\left(n\right|o)+\left\{p\right|q\}+⟨r|s⟩+⟨t\left|u\right|v⟩+(w+x)+[y+z]$$