[OS X TeX] Optional arguments

[Nitecki, Zbigniew H.]

Thanks. That was a stupid error but fixing it unmasked a deeper one, which I corrected. A second pair of eyes is a blessing!

Sent from my iPhone

> On Jun 18, 2016, at 4:47 PM, Michael Sharpe <msharpe at ucsd.edu> wrote:
> 
> 
>>> On Jun 18, 2016, at 1:15 PM, Nitecki, Zbigniew H. <Zbigniew.Nitecki at tufts.edu> wrote:
>>> 
>>> \newcommand{\colocross}[4]{\ColoredOverEdge[\strandcolor{#4}]{#1}{#2}{#3}%overcross (same data)
> 
> That should be 
> 
> \newcommand{\colocross}[4]{\ColoredOverEdge[\strandcolor{#4}]{#1}{#2}{#3}}%overcross (same data)
> 
> I don't have the macro packages you use so can't check whether this solves all problems.
> 
> Michael
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