Tools 
Some functions and tools appended to MRI.
Output
MRI outputs the target information to a Spreadsheet document. Each informations are written in each sheet.
Diff
Mri tries to get diff between texts of two MRI frames. And results are displayed on a Text Document. MRI compares only the current text that is shown in the information edit. If you have two different things but they are the same implementation, you can compare their properties to find difference between them.
OpenOffice.org may crashes if so many differences are there.
This function is provided by the python difflib.
