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+`wdiff' is a front-end to GNU `diff'. It compares two files, finding
+which words have been deleted or added to the first in order to create
+the second. It has many output formats and interacts well with
+terminals and pagers (notably with `less'). `wdiff' is particularily
+useful when two texts differ only by a few words and paragraphs have
+been refilled.
+
+GNU `wdiff' has been written by Franc,ois Pinard. It is an evolving
+product, and specifications might change in future releases.