WinMerge--B/W Shading of Printed Copy to Show Differences?

[W. eWatson]

Is there a way to highlight differences between the two files when printing 
in b/w? Help suggests there may be some texturing, but all I see is color 
choices.
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                               W. eWatson

             (121.015 Deg. W, 39.262 Deg. N) GMT-8 hr std. time)
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