[ovs-dev] [PATCH v3] docs: directly convert dot diagrams into eps for generating PDF

[Ben Pfaff]

On Tue, Feb 03, 2015 at 11:53:29PM -0800, Shu Shen wrote:
> The previous workflow is to convert dot diagrams into .pic format and
> embed into manpages; double borders and arrows were not used in dot but
> introduced in .pic conversion; edge routing in .pic was also worse than
> dot.
> 
> The updated workflow specifies directly in dot diagram double
> boarders for "root set" nodes and solid/bold styles and arrows for
> edges. The converted .eps diagram has improved routing. The .eps diagram
> is embedded into PDF using groff PSPIC marco package when converting the
> manpages.  PSPIC package is automatically loaded by groff when output to
> PS/PDF.
> 
> In addition, 'constraint=false' option is removed from weak
> references to allow positioning of node boxes to avoid overlapping
> between multiple edges between "Mirror" and "Port" in
> ovs-vswitchd.conf.db.
> 
> Signed-off-by: Shu Shen <shu.shen at radisys.com>

I guess this seems like a regression to me.  Before, I could type "make
sandbox" then "groffer ovs-vswitchd.conf.db" and get a nice PDF manpage
with an E-R diagram.  After, the diagram is gone.