15. A computer program product having control logic stored therein, said control logic, when executed, enabling a computer to compare text portions, said control logic comprising: first text portion indexing means for enabling the computer to index a first selected non-predefined text portion to generate first index information; second text portion indexing means for enabling the computer to index a second selected non-predefined text portion to generate second index information; and index comparing means for enabling the computer to compare said first and second index information generated by said first and second text portion indexing means.
15. A computer program product having control logic stored therein, said control logic, when executed, enabling a computer to compare text portions, said control logic comprising: first text portion indexing means for enabling the computer to index a first selected non-predefined text portion to generate first index information; second text portion indexing means for enabling the computer to index a second selected non-predefined text portion to generate second index information; and index comparing means for enabling the computer to compare said first and second index information generated by said first and second text portion indexing means. 16. The computer program product of claim 15, said control logic further comprising: means for enabling the computer to identify differences between said first and second text portions by reference to results of said comparison performed by said index comparing means.