After many hours of dank tunnels, you and the stranger come to a huge, vaulted room. The ceiling ascends into darkness. In the far distance you see what might be sunlight! Between you and the glimmer of hope is a deep chasm perforated by floating steps. Along the wall moveable blocks of letters are inset.
"The kerning between the letters looks too loose to me" says the stranger. "How about we make it a bit tighter?"