Make return value of stringOf function non-trivial
Make return value of stringOf function non-trivial

MjAbuz/graphviz,kbrock/graphviz,BMJHayward/graphviz,kbrock/graphviz,kbrock/graphviz,kbrock/graphviz,MjAbuz/graphviz,ellson/graphviz,jho1965us/graphviz,jho1965us/graphviz,BMJHayward/graphviz,ellson/graphviz,BMJHayward/graphviz,jho1965us/graphviz,BMJHayward/graphviz,kbrock/graphviz,MjAbuz/graphviz,kbrock/graphviz,kbrock/graphviz,MjAbuz/graphviz,MjAbuz/graphviz,ellson/graphviz,jho1965us/graphviz,BMJHayward/graphviz,ellson/graphviz,jho1965us/graphviz,ellson/graphviz,kbrock/graphviz,BMJHayward/graphviz,BMJHayward/graphviz,BMJHayward/graphviz,MjAbuz/graphviz,jho1965us/graphviz,jho1965us/graphviz,pixelglow/graphviz,BMJHayward/graphviz,pixelglow/graphviz,ellson/graphviz,MjAbuz/graphviz,pixelglow/graphviz,BMJHayward/graphviz,pixelglow/graphviz,jho1965us/graphviz,pixelglow/graphviz,kbrock/graphviz,ellson/graphviz,kbrock/graphviz,ellson/graphviz,MjAbuz/graphviz,pixelglow/graphviz,kbrock/graphviz,ellson/graphviz,ellson/graphviz,pixelglow/graphviz,MjAbuz/graphviz,ellson/graphviz,pixelglow/graphviz,jho1965us/graphviz,BMJHayward/graphviz,MjAbuz/graphviz,MjAbuz/graphviz,pixelglow/graphviz,jho1965us/graphviz,pixelglow/graphviz,pixelglow/graphviz,jho1965us/graphviz