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|
```
% pandoc -f markdown+latex_macros -t markdown+raw_tex-raw_attribute
\newcommand{\my}{\phi}
$\my+\my$
^D
\newcommand{\my}{\phi}
$\phi+\phi$
```
```
% pandoc -f markdown-latex_macros -t markdown+raw_tex-raw_attribute
\newcommand{\my}{\phi}
$\my+\my$
^D
\newcommand{\my}{\phi}
$\my+\my$
```
`\let` macros should be expanded at point of
definition, while `\newcommand` macros should be
expanded at point of use:
```
% pandoc -f latex -t latex
\let\a\b
\newcommand{\b}{\emph{ouk}}
\a a
^D
a̱
```
```
% pandoc -f latex -t latex
\newcommand{\a}{\b}
\newcommand{\b}{\emph{ouk}}
\a a
^D
\emph{ouk}a
```
```
% pandoc -f latex -t latex
\def\BDpos{}
\def\BDneg{-}
\def\beq{\begin{align}}
\def\eeq{\end{align}}
\def\e#1{\emph{#1}}
\def\f#1#2{\emph{#1--#2}}
$5\BDneg 6\BDpos 7$
\beq
x &= y\\
\eeq
\e{hi}
\f{hi}{ok}
^D
\(5-67\)
\[\begin{aligned}
x &= y\\\end{aligned}\]
\emph{hi}
\emph{hi--ok}
```
```
% pandoc -f markdown+latex_macros -t markdown+raw_tex-raw_attribute
\newcommand{\my}{\phi}
\begin{equation}
\my+\my
\end{equation}
^D
\newcommand{\my}{\phi}
\begin{equation}
\phi+\phi
\end{equation}
```
```
% pandoc -f markdown-latex_macros -t markdown+raw_tex-raw_attribute
\newcommand{\my}{\phi}
\begin{equation}
\my+\my
\end{equation}
^D
\newcommand{\my}{\phi}
\begin{equation}
\my+\my
\end{equation}
```
```
% pandoc -f markdown+latex_macros -t markdown+raw_tex-raw_attribute
\newcommand{\my}{\emph{a}}
\my
^D
\newcommand{\my}{\emph{a}}
\emph{a}
```
<https://tex.stackexchange.com/questions/258/what-is-the-difference-between-let-and-def>
```
% pandoc -f latex -t plain
\def\bar{hello}
\let\fooi\bar
\def\fooii{\bar}
\fooi +\fooii
\def\bar{goodbye}
\fooi +\fooii
^D
hello+hello
hello+goodbye
```
|
