Pandoc rules regarding LaTeX not followed on R blogdown hugo themes

☆樱花仙子☆ 提交于 2020-07-22 05:52:17

问题


I can create a new blogdown site utilizing the default hugo-lithium theme and the text statement below will not render as a LaTeX equation, which is the behavior I expect.

An amount between $5 and $10.

Pandoc's manual explains the reason why, which I'll paste below with a bold emphasis:

Anything between two $ characters will be treated as TeX math. The opening $ must have a non-space character immediately to its right, while the closing $ must have a non-space character immediately to its left, and must not be followed immediately by a digit. Thus, $20,000 and $30,000 won’t parse as math. If for some reason you need to enclose text in literal $ characters, backslash-escape them and they won’t be treated as math delimiters.

HOWEVER, I can change to other Hugo themes (e.g. hugo-theme-codex) and this exact same text block renders improperly whenever I include math: true in my YAML.

An amount between $5 and $10. ends up displaying as:

Why is LaTeX invoked, when Pandoc is supposed to follow the rule I quoted above? How can I use "other" hugo themes, still use LaTeX math equations, and have Pandoc follow it's own rules? Escaping the $ unfortunately doesn't do anything, and displays the same result as the un-escaped version.

# Doesn't work
An amount between \$5 and \$10.

Getting in on the double slash escape action doesn't seem to work either:

# Doesn't work
An amount between \\$5 and \\$10.


And for those wondering - the last two questions have been answered, 1, 2, and if this question is answered this should be the end of this three part story.


回答1:


First create the following file:

/your-blogdown-site/themes/hugo-theme-codex/layouts/partials/math.html

Then add this to the body of math.html that you just created:

<script src="//yihui.org/js/math-code.js"></script>
<script async
src="//cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/MathJax.js?config=TeX-MML-AM_CHTML">
</script>

Only MathJax release 2.7.5 seems to work right.

The blogdown book templates section is a good source of reading material for this sort of thing. You must include math: true in your YAML to display LaTeX math equations utilizing this method.



来源:https://stackoverflow.com/questions/62927411/pandoc-rules-regarding-latex-not-followed-on-r-blogdown-hugo-themes

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