only use external write discipline for writes to stdout, writes to named now work normally
only use external write discipline for writes to stdout, writes to named now work normally

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