Here you go (using: egrep -e '-$' -n draft-ietf-html-spec-00.txt)
31:   Internet Engineering Task Force (IETF) at <html-
601:   Please send comments to the discussion list at: html-
938:      ignored by the HTML user agent, surround them with <!--
941:      be nested. White space is allowed between the closing --
1113:         to any elements defining a value for the attribute HTTP-
1157:         <META HTTP-EQUIV="Reply-
1521:      user agents are not required to render nested character-
2059:      special purpose fields. The SUBMIT button is used to e-
2235:            under the name of the field with .x appended, and the y-
2267:         You can use the VALUE attribute to provide a non-
2422:      Latin-1. There are 256 character positions in the Latin-
There were other cases where lines end in a hyphen character, but the
above are ones that may change the meaning of a word/example.  Note
that auto-hyphenation should be turned off in FrameMaker for all
paragraph formats (I think it already is).
.....Roy Fielding   ICS Grad Student, University of California, Irvine  USA
                                     <fielding@ics.uci.edu>
                     <URL:http://www.ics.uci.edu/dir/grad/Software/fielding>