YAML properties with hyphens cause Build error

[joesmusings]

Discussed in #632

Issue

YAML properties that contain a hyphen cause a build error

Example properties:

dg-publish: true
dg-publish: true
kanban-plugin: basic

Example Error

SyntaxError: Arg string terminates parameters early
    at new Function (<anonymous>)
    at file:///vercel/path0/node_modules/next-mdx-remote/dist/index.js:64:35
    at Object.Kc [as useMemo] (/vercel/path0/node_modules/react-dom/cjs/react-dom-server.browser.production.min.js:60:240)
    at exports.useMemo (/vercel/path0/node_modules/react/cjs/react.production.min.js:25:208)
    at MDXRemote (file:///vercel/path0/node_modules/next-mdx-remote/dist/index.js:52:21)
    at Wc (/vercel/path0/node_modules/react-dom/cjs/react-dom-server.browser.production.min.js:68:44)
    at Zc (/vercel/path0/node_modules/react-dom/cjs/react-dom-server.browser.production.min.js:70:253)
    at Z (/vercel/path0/node_modules/react-dom/cjs/react-dom-server.browser.production.min.js:76:89)
    at $c (/vercel/path0/node_modules/react-dom/cjs/react-dom-server.browser.production.min.js:78:98)
    at Zc (/vercel/path0/node_modules/react-dom/cjs/react-dom-server.browser.production.min.js:71:145)
Error occurred prerendering page "/Home". Read more: https://nextjs.org/docs/messages/prerender-error
SyntaxError: Arg string terminates parameters early
    at new Function (<anonymous>)
    at file:///vercel/path0/node_modules/next-mdx-remote/dist/index.js:64:35
    at Object.Kc [as useMemo] (/vercel/path0/node_modules/react-dom/cjs/react-dom-server.browser.production.min.js:60:240)
    at exports.useMemo (/vercel/path0/node_modules/react/cjs/react.production.min.js:25:208)
    at MDXRemote (file:///vercel/path0/node_modules/next-mdx-remote/dist/index.js:52:21)
    at Wc (/vercel/path0/node_modules/react-dom/cjs/react-dom-server.browser.production.min.js:68:44)
    at Zc (/vercel/path0/node_modules/react-dom/cjs/react-dom-server.browser.production.min.js:70:253)
    at Z (/vercel/path0/node_modules/react-dom/cjs/react-dom-server.browser.production.min.js:76:89)
    at $c (/vercel/path0/node_modules/react-dom/cjs/react-dom-server.browser.production.min.js:78:98)
    at Zc (/vercel/path0/node_modules/react-dom/cjs/react-dom-server.browser.production.min.js:71:145)
info  - Generating static pages (4/6)
info  - Generating static pages (6/6)
> Export encountered errors on following paths:
	/[[...slug]]: /Home
Error: Command "npm run export" exited with 1

[AsmodaiP]

same

[rufuspollock]

@mohamedsalem401 can we check if this is something in remark-frontmatter or graymatter.