In the realm of text, there is no shame in being a dummy. For dummying is an essential activity of the design process. Dummying, or “Greeking” text — creating jabberwocky or unreadable words to demonstrate the look of typeset columns or headlines — has had a long and significant role in printing in the years since Gutenberg changed the world.
The standard usage, created by an anonymous printer in the 16th century, goes like this: