4. The method of claim 1 , wherein restoring the colors of the source document to the generated document further includes coloring a second character of the paragraph of the generated document the same color as that used to color the first character of the paragraph of the generated document if the second character of the paragraph of the generated document was previously colored with the second replacement color.
5. The method of claim 4 , wherein restoring the colors of the source document to the generate document further includes coloring the second character of the paragraph of the generated document with a next color from the stored list of colors if the second character of the paragraph of the generated document was previously colored with the first replacement color.