18. The computer program product of claim 15, wherein said first text portion indexing means enables the computer to generate a first index table, and said second text portion indexing means enables the computer to generate a second index table.
18. The computer program product of claim 15, wherein said first text portion indexing means enables the computer to generate a first index table, and said second text portion indexing means enables the computer to generate a second index table. 19. The computer program product of claim 18, said control logic further comprising: means for enabling the computer to merge said first and second index tables to thereby generate a merged index table.