Message Body Short Excerpts in main index

[Ganoksin <ganoksin@xxxxxxxxx>]

Sorry if this question came up already, i have searched the archive
but could not find an answer.

how someone set up mhonarc to display x number of characters from the
message body in the date and subject index.

i am looking for something that looks like this

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Subject - By Author

    Lorem ipsum dolor sit amet, consectetuer adipiscing elit, sed diam
    nonummy nibh euismod tincidusior magna aliquam erat
    very cool. Ut wisi enim ad minim veniam, quis nostrud exerci tation
    Murray  suscipit lobortis nisl ut aliquip ex........

    Read more..... 

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