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The authors find that the number of observed eclipsing binaries scales directly with the input frequency of short-period orbits. For example, although typically less than 1\% of eclipsing FG systems show 1.5 mag eclipses, the ratio at the shortest periods is closer to 20\%. The situation is more complex for higher mass sytems although the authors find humps with high probability of deep eclipses at about 2 day and 0.4 day orbital periods.   \paragraph{}    A sample figure showing eclipse probabilities for FG stars on the main sequence has been reproduced below: