| ... | @@ -143,3 +143,10 @@ P->CreateKernelCall<LineSpansKernel>(MatchedLineStarts, MatchedLineEnds, Matched | ... | @@ -143,3 +143,10 @@ P->CreateKernelCall<LineSpansKernel>(MatchedLineStarts, MatchedLineEnds, Matched | 
|  | If FilterByMask was used at this point, you would get the matched rows.   To delete |  | If FilterByMask was used at this point, you would get the matched rows.   To delete | 
|  | the matched rows, the MatchedLineSpans must be negated (use a Pablo createNot operation). |  | the matched rows, the MatchedLineSpans must be negated (use a Pablo createNot operation). | 
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|  |  |  | ## Combining Masks | 
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|  |  |  | If masks are computed to edit out both a column and a row, these can be combined with a Pablo | 
|  |  |  | createAnd operation and then one FilterByMask can be applied. | 
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