wdiff (display word differences between text files)
The GNU wdiff program is a front end to diff for comparing files on a word
per word basis. A word is anything between whitespace. This is useful for
comparing two texts in which a few words have been changed and for which
paragraphs have been refilled. It works by creating two temporary files,
one word per line, and then executes diff on these files. It collects the
diff output and uses it to produce a nicer display of word differences
between the original files.
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