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Hi, can you please mute this error message?
@igrigorik I just released Robert Feld's original graph classes as a gem: https://github.com/louismullie/graphr. I have left the API and the class structure intact. Perhaps this could be added as a dependency in the gemspec? This would eliminate the need for users to manually download and install these useful classes. At the same time, this solves the warning problem described above, and eliminates the need for an odd require-check.
Basically, in addition to adding "graphr" to the gemspec,
STDERR.puts "graph/graphviz_dot not installed, graphing functionality not included."
would simply become:
I can submit a pull request if you agree with this.
That makes sense to me - make a quick pull request?