Documentation for the NGspice circuit simulator

 NGspice is a mixed-level/mixed-signal circuit simulator.
 Its code is based on three open source software packages:
 Spice3f5, Cider1b1 and Xspice.
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 NGspice is part of gEDA project, a full GPL'd suite of
 Electronic Design Automation tools.
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 This package contains the html, postscript and pdf documentation.