![pdftex - Package hyperref Warning: Token not allowed in a PDF. (using \frac{}{} in Section title} - TeX - LaTeX Stack Exchange pdftex - Package hyperref Warning: Token not allowed in a PDF. (using \frac{}{} in Section title} - TeX - LaTeX Stack Exchange](https://i.stack.imgur.com/hfgGH.png)
pdftex - Package hyperref Warning: Token not allowed in a PDF. (using \frac{}{} in Section title} - TeX - LaTeX Stack Exchange
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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
![Package hyperref Warning: Token not allowed in a PDF string (Unicode): removing `\faLink' on input line 1 - TeX - LaTeX Stack Exchange Package hyperref Warning: Token not allowed in a PDF string (Unicode): removing `\faLink' on input line 1 - TeX - LaTeX Stack Exchange](https://i.stack.imgur.com/00Ixx.png)
Package hyperref Warning: Token not allowed in a PDF string (Unicode): removing `\faLink' on input line 1 - TeX - LaTeX Stack Exchange
babel: "Token not allowed in a PDF string" warning with layout=counters · Issue #138 · latex3/latex2e · GitHub
babel: "Token not allowed in a PDF string" warning with layout=counters · Issue #138 · latex3/latex2e · GitHub
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table of contents - hyperref warning: token not allowed in pdf string (Math in section titles) - TeX - LaTeX Stack Exchange
![pdftex - Package hyperref Warning: Token not allowed in a PDF. (using \frac{}{} in Section title} - TeX - LaTeX Stack Exchange pdftex - Package hyperref Warning: Token not allowed in a PDF. (using \frac{}{} in Section title} - TeX - LaTeX Stack Exchange](https://i.stack.imgur.com/w9QCI.png)