Bug Description: The function spell check makes the program to crash if the 
string to be analyzed for spelling error is more than 98 characters.
  
Steps to Reproduce:
1)	Open the Presentation program in any mode and insert a slide having 
        text field.
2)	Enter some text in the text box with at least one word greater than 98 
        characters.
3)	Select <Tools> from the topmost menu bar; choose Spell check and click 
        on “Check”.
4)	Alternatively press F-7 to invoke the spell check function.
5)	As soon as the program reaches the string having more than 98 
        characters it crashes.

Actual Result: The program crashes with the message irrecoverable error.

Expected Result: The program should perform the spell check irrespective of the 
number of letters in the word.

Additional Builds and Platforms: Whether or not the issue takes place on other 
platforms.
Occurs on Windows Me as well.