memento mori
A surprising juxtaposition of the seventeenth century with classical times.
Admonkey earns my thanks by revealing on the Ghost forums the trick to editing .hbs files on a Mac—
Use TextEdit for simple edits but, before you do anything, you should open its preferences, go to the 2nd tab ("Open and Save") and check the box for both the "Display HTML files as HTML" and "Display RTF as RTF".