[Tex/LaTex] \leftarrow does not work

math-modesymbols

I am trying to write a document in which for some reason some of the things like \overleftarrow{example} works but \leftarrow and \rightarrow etc. does not work. Any suggestions?

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\leftarrow is a math mode symbol. Try $\leftarrow$ if you're using it inline in regular text.

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[Tex/LaTex] How does “\char`” work

It is a misunderstanding to attach the left quote to the \char command as you do by writing \char`.

\char expects as argument a number. With the left quote you are converting the next character or single-character command to its character code (which is a number) if TeX is currently looking for a number.

So `b and `\b both give the number 62 in such a context.

You can use this syntax in all places where a number is expected:

\documentclass{article}

\begin{document}
\setlength\parskip{`b pt}

aba

abc

\end{document}

The backslash is needed only for special chars. E.g. `\%, `\{, `\}, `\\ but it doesn't harm to add it always. In this context it gives the character "itself".

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[Tex/LaTex] How does “\char`” work

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