test of <pre>

    .                                  .o8       oooo               
  .o8                                 "888       `888               
.o888oo oooo  oooo  ooo. .oo.  .oo.    888oooo.   888  oooo d8b     
  888   `888  `888  `888P"Y88bP"Y88b   d88' `88b  888  `888""8P     
  888    888   888   888   888   888   888   888  888   888         
  888 .  888   888   888   888   888   888   888  888   888     .o. 
  "888"  `V88V"V8P' o888o o888o o888o  `Y8bod8P' o888o d888b    Y8P