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Ways to avoid 'Package hyperref Warning: Token not allowed in a PDF string' warning - TeX - LaTeX Stack Exchange
babel: "Token not allowed in a PDF string" warning with layout=counters · Issue #138 · latex3/latex2e · GitHub
![table of contents - hyperref warning: token not allowed in pdf string (Math in section titles) - TeX - LaTeX Stack Exchange table of contents - hyperref warning: token not allowed in pdf string (Math in section titles) - TeX - LaTeX Stack Exchange](https://i.stack.imgur.com/F4ZZR.png)
table of contents - hyperref warning: token not allowed in pdf string (Math in section titles) - TeX - LaTeX Stack Exchange
![Ways to avoid 'Package hyperref Warning: Token not allowed in a PDF string' warning - TeX - LaTeX Stack Exchange Ways to avoid 'Package hyperref Warning: Token not allowed in a PDF string' warning - TeX - LaTeX Stack Exchange](https://i.stack.imgur.com/pk9YR.jpg)
Ways to avoid 'Package hyperref Warning: Token not allowed in a PDF string' warning - TeX - LaTeX Stack Exchange
![LaTeX 使用心得:节标题(section)中使用数学符号_token not allowed in a pdf string (unicode):(hyper_lcg_magic的博客-CSDN博客 LaTeX 使用心得:节标题(section)中使用数学符号_token not allowed in a pdf string (unicode):(hyper_lcg_magic的博客-CSDN博客](https://img-blog.csdnimg.cn/01deb6af30cf4ecc897ad0ada16501f3.png?x-oss-process=image/watermark,type_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAbGNnX21hZ2lj,size_20,color_FFFFFF,t_70,g_se,x_16)