HTML and PDF Export Fail With Script Tag in Code Block

[kihashi]

When including HTML code snippets in your presentation, including a </script> tag prevents the presentation from being exported cleanly.

You can see the effect in the starter presentation.-

## Learn the tricks

See the [wiki](https://github.com/gnab/remark/wiki) to learn more of what you can do with .alt[Remark.js]

---

```html 
<script></script>
```

This is what the output looks like from bs export

presentation.zip

Attached is the generated HTML file.

The syntax highlighting makes it clear where the error is:

[sinedied]

Yes, this issue was fixed in the featture/refactor branch.
In the meanwhile the new rewrite of the project is released (not anytime soon seeing my current free time), you can use it like this:

git clone <this repo>
git checkout feature/refactor
npm link

And then use the bs command normally.

[kihashi]

I tried with the feature/refactor branch and it seems to be working.