rfcdiff - 1.45-1 main

The purpose of this program is to compare two versions of an internet-draft,
and as output produce a diff in one of several formats:
* side-by-side html diff
* paged wdiff output in a text terminal
* a text file with changebars in the left margin
* a simple unified diff output
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It can also be used to compare ordinary (non-rfc) text files.
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In all cases, internet-draft headers and footers are stripped before
generating the diff, to produce a cleaner diff.