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Witiko / markdown

:notebook_with_decorative_cover: A package for converting and rendering markdown documents in TeX
http://ctan.org/pkg/markdown
LaTeX Project Public License v1.3c
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When mixing chinese and inline equation, extra space need to be added around between them #387

Closed zousiyu1995 closed 9 months ago

zousiyu1995 commented 9 months ago

As shown in figure, two spaces need to be added around inline equation. However, only the second space was correctly added correctly.

image

The minimum working example is,

\documentclass{article}
\usepackage{ctex}
\usepackage{markdown}
    \markdownSetup{%
        texMathDollars=true,
    }

\begin{document}
\begin{markdown}
对数组$a$来讲
\end{markdown}
\end{document}
Witiko commented 9 months ago

@zousiyu1995 Hello, thanks for using the Markdown package.

Sadly, I cannot reproduce your issue with the latest release of the Markdown package using LuaLaTeX from a recent release of TeX Live 2023:

image

Can you please check your .log for the versions of the software you are using? My .log file contains the following:

LaTeX2e <2023-11-01>
L3 programming layer <2023-12-08>
Package: markdown 2023-12-29 v3.2.1-30-gf8829a6f markdown renderer
zousiyu1995 commented 9 months ago

@zousiyu1995 Hello, thanks for using the Markdown package.

Sadly, I cannot reproduce your issue with the latest release of the Markdown package using LuaLaTeX from a recent release of TeX Live 2023:

image

Can you please check your .log for the versions of the software you are using? My .log file contains the following:

LaTeX2e <2023-11-01>
L3 programming layer <2023-12-08>
Package: markdown 2023-12-29 v3.2.1-30-gf8829a6f markdown renderer

Thank you for your reply. Here is the version information in my log file,

LaTeX2e <2023-11-01>
L3 programming layer <2023-12-11>
Package: markdown 2023-04-27 v2.23.0-0-g0b22f91 markdown renderer
Witiko commented 9 months ago

Sadly, I cannot reproduce your issue. When I compile your example document with Markdown 2.23.0, I get the following result:

$ cat > example.tex
\documentclass{article}
\usepackage{ctex}
\usepackage{markdown}
    \markdownSetup{%
        texMathDollars=true,
    }

\begin{document}
\begin{markdown}
对数组$a$来讲
\end{markdown}
\end{document}

$ docker run -v "$PWD":/workdir -w /workdir --rm -i witiko/markdown:2.23.0-0-g0b22f91-latest lualatex example

image

If you have any idea what could be different between our setups, please let me know,

zousiyu1995 commented 9 months ago

@zousiyu1995 Hello, thanks for using the Markdown package.

Sadly, I cannot reproduce your issue with the latest release of the Markdown package using LuaLaTeX from a recent release of TeX Live 2023:

image

Can you please check your .log for the versions of the software you are using? My .log file contains the following:

LaTeX2e <2023-11-01>
L3 programming layer <2023-12-08>
Package: markdown 2023-12-29 v3.2.1-30-gf8829a6f markdown renderer

From this figure, i found one difference. I'm using miktex, but you're using texlive. That could be the problem.

zousiyu1995 commented 9 months ago

I installed texlive 2023 and compiled this example using xelatex,

The command is,

xelatex.exe -shell-escape main.tex

The example is,

\documentclass{article}

\usepackage{ctex}
\usepackage{markdown}
\markdownSetup{
    texMathDollars=true,
}

\begin{document}
对数组$a$来讲

\begin{markdown}
对数组$a$来讲
\end{markdown}

\end{document}

The result is,

image

The log output is,

This is XeTeX, Version 3.141592653-2.6-0.999995 (TeX Live 2023) (preloaded format=xelatex 2024.1.2)  2 JAN 2024 14:22
entering extended mode
 \write18 enabled.
 %&-line parsing enabled.
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LaTeX Font Info:    ... okay on input line 9.
LaTeX Font Info:    Checking defaults for TS1/cmr/m/n on input line 9.
LaTeX Font Info:    ... okay on input line 9.
LaTeX Font Info:    Checking defaults for TU/lmr/m/n on input line 9.
LaTeX Font Info:    ... okay on input line 9.
LaTeX Font Info:    Checking defaults for OMX/cmex/m/n on input line 9.
LaTeX Font Info:    ... okay on input line 9.
LaTeX Font Info:    Checking defaults for U/cmr/m/n on input line 9.
LaTeX Font Info:    ... okay on input line 9.

Package fontspec Info: Adjusting the maths setup (use [no-math] to avoid
(fontspec)             this).

\symlegacymaths=\mathgroup6
LaTeX Font Info:    Overwriting symbol font `legacymaths' in version `bold'
(Font)                  OT1/cmr/m/n --> OT1/cmr/bx/n on input line 9.
LaTeX Font Info:    Redeclaring math accent \acute on input line 9.
LaTeX Font Info:    Redeclaring math accent \grave on input line 9.
LaTeX Font Info:    Redeclaring math accent \ddot on input line 9.
LaTeX Font Info:    Redeclaring math accent \tilde on input line 9.
LaTeX Font Info:    Redeclaring math accent \bar on input line 9.
LaTeX Font Info:    Redeclaring math accent \breve on input line 9.
LaTeX Font Info:    Redeclaring math accent \check on input line 9.
LaTeX Font Info:    Redeclaring math accent \hat on input line 9.
LaTeX Font Info:    Redeclaring math accent \dot on input line 9.
LaTeX Font Info:    Redeclaring math accent \mathring on input line 9.
LaTeX Font Info:    Redeclaring math symbol \Gamma on input line 9.
LaTeX Font Info:    Redeclaring math symbol \Delta on input line 9.
LaTeX Font Info:    Redeclaring math symbol \Theta on input line 9.
LaTeX Font Info:    Redeclaring math symbol \Lambda on input line 9.
LaTeX Font Info:    Redeclaring math symbol \Xi on input line 9.
LaTeX Font Info:    Redeclaring math symbol \Pi on input line 9.
LaTeX Font Info:    Redeclaring math symbol \Sigma on input line 9.
LaTeX Font Info:    Redeclaring math symbol \Upsilon on input line 9.
LaTeX Font Info:    Redeclaring math symbol \Phi on input line 9.
LaTeX Font Info:    Redeclaring math symbol \Psi on input line 9.
LaTeX Font Info:    Redeclaring math symbol \Omega on input line 9.
LaTeX Font Info:    Redeclaring math symbol \mathdollar on input line 9.
LaTeX Font Info:    Redeclaring symbol font `operators' on input line 9.
LaTeX Font Info:    Encoding `OT1' has changed to `TU' for symbol font
(Font)              `operators' in the math version `normal' on input line 9.
LaTeX Font Info:    Overwriting symbol font `operators' in version `normal'
(Font)                  OT1/cmr/m/n --> TU/lmr/m/n on input line 9.
LaTeX Font Info:    Encoding `OT1' has changed to `TU' for symbol font
(Font)              `operators' in the math version `bold' on input line 9.
LaTeX Font Info:    Overwriting symbol font `operators' in version `bold'
(Font)                  OT1/cmr/bx/n --> TU/lmr/m/n on input line 9.
LaTeX Font Info:    Overwriting symbol font `operators' in version `normal'
(Font)                  TU/lmr/m/n --> TU/lmr/m/n on input line 9.
LaTeX Font Info:    Overwriting math alphabet `\mathit' in version `normal'
(Font)                  OT1/cmr/m/it --> TU/lmr/m/it on input line 9.
LaTeX Font Info:    Overwriting math alphabet `\mathbf' in version `normal'
(Font)                  OT1/cmr/bx/n --> TU/lmr/b/n on input line 9.
LaTeX Font Info:    Overwriting math alphabet `\mathsf' in version `normal'
(Font)                  OT1/cmss/m/n --> TU/lmss/m/n on input line 9.
LaTeX Font Info:    Overwriting math alphabet `\mathtt' in version `normal'
(Font)                  OT1/cmtt/m/n --> TU/lmtt/m/n on input line 9.
LaTeX Font Info:    Overwriting symbol font `operators' in version `bold'
(Font)                  TU/lmr/m/n --> TU/lmr/b/n on input line 9.
LaTeX Font Info:    Overwriting math alphabet `\mathit' in version `bold'
(Font)                  OT1/cmr/bx/it --> TU/lmr/b/it on input line 9.
LaTeX Font Info:    Overwriting math alphabet `\mathsf' in version `bold'
(Font)                  OT1/cmss/bx/n --> TU/lmss/b/n on input line 9.
LaTeX Font Info:    Overwriting math alphabet `\mathtt' in version `bold'
(Font)                  OT1/cmtt/m/n --> TU/lmtt/b/n on input line 9.
LaTeX Font Info:    Trying to load font information for U+msa on input line 10.

(c:/texlive/2023/texmf-dist/tex/latex/amsfonts/umsa.fd
File: umsa.fd 2013/01/14 v3.01 AMS symbols A
)
LaTeX Font Info:    Trying to load font information for U+msb on input line 10.

(c:/texlive/2023/texmf-dist/tex/latex/amsfonts/umsb.fd
File: umsb.fd 2013/01/14 v3.01 AMS symbols B
)
\openout3 = `main.markdown.in'.

Package markdown Info: Buffering markdown input into the temporary input file "
main.markdown.in" and scanning for the closing token sequence "\end{markdown}" 
on input line 12.
Package markdown Info: The ending token sequence was found on input line 14.
Package markdown Info: Including markdown document "./main.markdown.in" on inpu
t line 14.
\g_tmpa_iow=\write6
\openout6 = `main.markdown.lua'.

Package luabridge Info: Writing a helper Lua script to file
(luabridge)             \markdownOptionHelperScriptFileName 

Package luabridge Info: Executing a helper Lua script from file
(luabridge)             \markdownOptionHelperScriptFileName 

(|texlua ./main.markdown.lua)
(./_markdown_main/a49fe500c924e057fce78fa65d91f657.md.tex) [1

] (./main.aux)
 ***********
LaTeX2e <2023-11-01>
L3 programming layer <2022/07/14>
 ***********
 ) 
Here is how much of TeX's memory you used:
 11637 strings out of 474831
 321518 string characters out of 5763250
 1925109 words of memory out of 5000000
 33563 multiletter control sequences out of 15000+600000
 562678 words of font info for 66 fonts, out of 8000000 for 9000
 1348 hyphenation exceptions out of 8191
 93i,5n,97p,364b,940s stack positions out of 10000i,1000n,20000p,200000b,200000s

Output written on main.pdf (1 page).
zousiyu1995 commented 9 months ago

I found this problem may be attributed to the compiler. When I used lualatex, the result was correct. However, xelatex can not generate a correct result.

Witiko commented 9 months ago

@zousiyu1995 Thank you for your patience! I can now reproduce your issue.

You can fix your issue by redefining the token renderer for inline math:

\markdownSetup {
    renderers = {
        inlineMath = {$#1$},
    },
}

The default renderer was \begin{math}#1\end{math}, which would produce incorrect spacing with ctex using the XeTeX engine. I cannot reproduce this issue without ctex, so I assume it is ctex-related. Regardless, there seems to be no advantage to using the \begin{math} ... \end{math} environment instead of $ ... $, so I changed the default renderers in #396.