mirror of
https://github.com/jgm/pandoc.git
synced 2026-09-02 13:45:49 +00:00
John MacFarlane
0bbbdbcdb6
Certain environments in LaTeX will trigger math mode and can't occur within math mode: e.g., `align` or `equation`. Previously we "downshifted" these, parsing an `align` environment as a Math element with `aligned`, and an `equation` environment as a regular display math element. With this shift, we put these in Math inlines but retain the original environments. This works because: 1) texmath handles these environments just fine, 2) and so does MathJax; 3) when writing LaTeX we detect these environments in Math elements and emit them verbatim instead of putting them in `$..$` or `$$..$$`. Closes #9711. Closes #9296.
163 lines
2.0 KiB
Markdown
163 lines
2.0 KiB
Markdown
```
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% pandoc -f markdown+latex_macros -t markdown+raw_tex-raw_attribute
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\newcommand{\my}{\phi}
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$\my+\my$
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^D
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\newcommand{\my}{\phi}
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$\phi+\phi$
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```
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```
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% pandoc -f markdown-latex_macros -t markdown+raw_tex-raw_attribute
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\newcommand{\my}{\phi}
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$\my+\my$
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^D
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\newcommand{\my}{\phi}
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$\my+\my$
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```
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`\let` macros should be expanded at point of
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definition, while `\newcommand` macros should be
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expanded at point of use:
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```
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% pandoc -f latex -t latex
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\let\a\b
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\def\b{\emph{ouk}}
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\a a
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^D
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a̱
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```
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```
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% pandoc -f latex -t latex
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\newcommand{\a}{\b}
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\newcommand{\b}{\emph{ouk}}
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\a a
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^D
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\emph{ouk}a
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```
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```
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% pandoc -f latex -t latex
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\def\BDpos{}
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\def\BDneg{-}
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\def\beq{\begin{align}}
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\def\eeq{\end{align}}
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\def\e#1{\emph{#1}}
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\def\f#1#2{\emph{#1--#2}}
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$5\BDneg 6\BDpos 7$
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\beq
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x &= y\\
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\eeq
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\e{hi}
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\f{hi}{ok}
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^D
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\(5-67\)
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\begin{align}
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x &= y\\
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\end{align}
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\emph{hi}
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\emph{hi--ok}
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```
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```
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% pandoc -f markdown+latex_macros -t markdown+raw_tex-raw_attribute
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\newcommand{\my}{\phi}
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\begin{equation}
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\my+\my
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\end{equation}
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^D
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\newcommand{\my}{\phi}
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\begin{equation}
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\phi+\phi
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\end{equation}
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```
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```
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% pandoc -f markdown-latex_macros -t markdown+raw_tex-raw_attribute
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\newcommand{\my}{\phi}
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\begin{equation}
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\my+\my
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\end{equation}
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^D
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\newcommand{\my}{\phi}
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\begin{equation}
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\my+\my
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\end{equation}
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```
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```
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% pandoc -f markdown+latex_macros -t markdown+raw_tex-raw_attribute
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\newcommand{\my}{\emph{a}}
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\my
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^D
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\newcommand{\my}{\emph{a}}
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\emph{a}
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```
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<https://tex.stackexchange.com/questions/258/what-is-the-difference-between-let-and-def>
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```
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% pandoc -f latex -t plain
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\def\bar{hello}
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\let\fooi\bar
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\def\fooii{\bar}
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\fooi +\fooii
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\def\bar{goodbye}
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\fooi +\fooii
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^D
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hello+hello
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hello+goodbye
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```
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```
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% pandoc -f latex -t plain
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\def\txt{a}
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\def\foo{\txt}
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\let\bar\foo
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\bar % -> a
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\def\txt{b}
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\bar % -> b
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\def\foo{OH}
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\bar % -> b
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^D
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a b b
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```
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```
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% pandoc -f latex -t plain
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\def\aaa{aaa}
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\def\bbb{x\aaa}
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\edef\ccc{y\aaa}
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\def\aaa{AAA}
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\bbb \ccc
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^D
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xAAAyaaa
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```
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```
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% pandoc -f latex -t plain
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\gdef\aaa{aaa}
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\gdef\bbb{x\aaa}
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\xdef\ccc{y\aaa}
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\gdef\aaa{AAA}
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\bbb \ccc
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^D
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xAAAyaaa
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```
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