On Tue, Jan 27, 2015 at 01:30:08PM -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 were 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.s...@radisys.com>

This does seem like an improvement in many ways.

Now, however, the manpage-check target fails for me with:

    vswitchd/vswitch.eps:81: warning: can't find special character `'
    vtep/vtep.eps:81: warning: can't find special character `'
    Makefile:4634: recipe for target 'manpage-check' failed

but the reason is not immediately obvious (is groff trying to read the
.eps file as if it were troff source?).  Do you have an idea?

Thanks,

Ben.
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