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- The dot layout engine assumes a spline smoothing
- algorithm for edges, rather than Tk's default smoothing.
- So edges rendered to Tk canvas will look
- better if the Tkspline extension is available.
- Tkspline is available from:
- ftp://ftp.graphviz.org/pub/
- For Tk prior to tk8.3.0 Jan Nijtmans' dash patches
- are required by Tkspline.
- Dash patches are available from:
- http://home.wxs.nl/~nijtmans/
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