Missing content in article "Making Modal Windows Better for Everyone"

[imorente]

- Do you want to request a feature or report a bug?

Bug

- What is the current behavior?

Article https://next.smashingmagazine.com/2014/09/making-modal-windows-better-for-everyone/#including-focus-states has dangling curly braces instead of content.

- If the current behavior is a bug, please provide the steps to reproduce.

Visit https://next.smashingmagazine.com/2014/09/making-modal-windows-better-for-everyone/#including-focus-states

- What is the expected behavior?

See the same content as in https://www.smashingmagazine.com/2014/09/making-modal-windows-better-for-everyone/#including-focus-states

- Please mention your operating system version and the version of your browser MacOS Sierra, Opera 43.0