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ox-hugo currently supports the following syntax for latex equations: - https://orgmode.org/manual/LaTeX-fragments.html - https://ox-hugo.scripter.co/doc/equations This syntax is supported by mathjax as is mentioned in the ox-hugo documentation. But quartz uses remark-math which has some issues with the \( \) syntax. See https://github.com/remarkjs/remark-math/issues/39 This change adds few more transformations to the OxHugoFlavouredMarkdown plugin, which makes a best effort conversion of this syntax into what the Quartz Latex transformer plugin supports. With these changes, the generated files show latex formatting with default quartz configuration. Sidenote on `\_` escape by ox-hugo: ox-hugo escapes, _ using \_, we match against it after we transform equations into what quartz supports($$ and $). This could be achieved using lookaround like regex as follows ```js (?<=(\$|\$\$)[\s\S]*) -> Positive lookbehind for $ or $$ \\_ -> Matches \_ (?=[\s\S]*(?:\1)) Positive lookahead for $ or $$ if matched const escapedUnderscoreRegex = new RegExp(/(?<=(\$|\$\$)[\s\S]*)\\_(?=[\s\S]*(?:\1))/, "g") ```` But since lookahead/behind can slow things down on large files, we just look up all equations with $ and $$ delimiters and then try replacing \_