Bug#887634: Info dir trailing whitespace

[積丹尼 Dan Jacobson <jidanni@jidanni.org>]

Norbert, I have made a massive discovery,

$ wc -l /usr/share/info/dir
464 /usr/share/info/dir
grep -c ' $' /usr/share/info/dir
27
$ grep ' $' /usr/share/info/dir|head|cat -e
* CC Mode: (ccmode).            Emacs mode for editing C, C++, Objective-C, $
* Emacs Lisp Intro: (eintr).    A simple introduction to Emacs Lisp $
* Widget: (widget).             The "widget" package used by the Emacs $
* Autotype: (autotype).         Convenient features for text that you enter $
* Ediff: (ediff).               A visual interface for comparing and merging $
* Forms: (forms).               Emacs package for editing data bases by $
* RefTeX: (reftex).             Emacs support for LaTeX cross-references and $
* EUDC: (eudc).                 Emacs client for directory servers (LDAP, $
* Message: (message).           Mail and news composition mode that goes with $
* SC: (sc).                     Supercite lets you cite parts of messages $

All the lines with the trailing blank are mid-sentence folded lines!
The other non-problem lines all have one sentence fit on the same line.