Editing Documentation:system/main (section)

==sfcut==
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! colspan="4" style="background:#ffdead;" | Zero a portion of the dataset.
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! colspan="4" | sfcut < in.rsf > out.rsf verb=n j#=(1,...) d#=(d1,d2,...) f#=(0,...) min#=(o1,o2,,...) n#=(0,...) max#=(o1+(n1-1)*d1,o2+(n1-1)*d2,,...)
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|  colspan="4" | <br>Reverse of window. 
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| ''float  '' || '''d#=(d1,d2,...)''' ||   || 	sampling in #-th dimension
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| ''largeint'' || '''f#=(0,...)''' ||   || 	window start in #-th dimension
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| ''int    '' || '''j#=(1,...)''' ||   || 	jump in #-th dimension
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| ''float  '' || '''max#=(o1+(n1-1)*d1,o2+(n1-1)*d2,,...)''' ||   || 	maximum in #-th dimension
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| ''float  '' || '''min#=(o1,o2,,...)''' ||   || 	minimum in #-th dimension
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| ''int    '' || '''n#=(0,...)''' ||   || 	window size in #-th dimension
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| ''bool   '' || '''verb=n''' ||  [y/n] || 	Verbosity flag
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