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File B line
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This grid represents all comparisons between file A and file B.
| T | lines match between file A and B |
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The colored cells, are the searched cells, where it searches to end of both
files, to find the path thru both files, that result in the least amount of
changes. Searches occur diagonally |
| | search found a matching line(true) |
| | search covered these lines, but was fruitless |
| | search had to skip these lines, to find match |
| | search didn't bother with the work of checking those cells |
| | this is path returned |
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