Link error in HCI chapter

[JonRodtang]

Description

There is some error with the HTML making some links display the tags and not emmbeding them in text "<a href='https://en.wikipedia.org/wiki/Fitts's_law'>Fitts's law ".
It can be found in "4.5. The whole story!".

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[DrCuriosity]

Good catch, Jon. Looking at S4.5, it seems the problem is that the apostrophes in the Wikipedia URLs are interfering with the single quotes being used in the <a href='...'> tags when the Markdown source file is rendered.

A quick fix would be to escape the apostrophe characters, like so:

• https://en.wikipedia.org/wiki/Fitts%27s_law
• https://en.wikipedia.org/wiki/Hick%27s_law