Hi This has annoyed me for years, honestly.
I sometimes receive latex files, with constructions like this
In fact, if $6/5<\gamma<2$, there exists a solution
Then
\begin{equation}
\rho(t, x)=\left\{
\begin{array}{ll}
{\left[\frac{K \gamma}{4 \pi
\kappa(\gamma-1)}\right]^{1/\left(2-\gamma^{\prime}\right)} u(|x|)^{1
/(\gamma-1)}} & \text { for } 0 \leqq|x| \leqq R \\
0 & \text { for } R<|x|
\end{array}
\right.
\end{equation}
What annoys me is the use of 6/5 instead of \frac{5}{6} (I know
sometimes it is even advised to use it).
But in general I want \frac
So I have the following function
(defun my-change-frac ()
"Changes stuff like 1/2 to \frac{1}{2}."
(interactive)
(query-replace-regexp "\\(\\<[0-9]*\\)\\([\\/]\\)\\([0-9]*\\>\\)"
"\\\\frac{\\1}{\\3}"))
It covers the 6/5 case but not, for example,
1/\left(2-\gamma^{\prime}\right)
Does anybody have an idea?
In general shouldn't auctex have such a function?
Regards
Uwe Brauer
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