Revert "* remove trailing spaces. [ci skip]"

This reverts commit 6b04c48.
Trailing spaces separate paragraphs in RDoc format.

LEGAL

@@ -69,8 +69,8 @@ enc/windows_1251.c::
   Onigmo (Oniguruma-mod) LICENSE
 
   >>>
-    Copyright (c) 2002-2009  K.Kosako  <sndgk393 AT ybb DOT ne DOT jp>
-    Copyright (c) 2011-2014  K.Takata  <kentkt AT csc DOT jp>
+    Copyright (c) 2002-2009  K.Kosako  <sndgk393 AT ybb DOT ne DOT jp>  
+    Copyright (c) 2011-2014  K.Takata  <kentkt AT csc DOT jp>  
     All rights reserved.
 
     Redistribution and use in source and binary forms, with or without
@@ -97,7 +97,7 @@ enc/windows_1251.c::
   Oniguruma LICENSE
 
   >>>
-    Copyright (c) 2002-2009  K.Kosako  <sndgk393 AT ybb DOT ne DOT jp>
+    Copyright (c) 2002-2009  K.Kosako  <sndgk393 AT ybb DOT ne DOT jp>  
     All rights reserved.
 
     Redistribution and use in source and binary forms, with or without
@@ -165,9 +165,9 @@ enc/trans/JIS/JISX0213-2%UCS@SIP.src::
   These files are copyrighted as the following.
 
   >>>
-    Copyright (C) 2001 earthian@tama.or.jp, All Rights Reserved.
-    Copyright (C) 2001 I'O, All Rights Reserved.
-    Copyright (C) 2006 Project X0213, All Rights Reserved.
+    Copyright (C) 2001 earthian@tama.or.jp, All Rights Reserved.  
+    Copyright (C) 2001 I'O, All Rights Reserved.  
+    Copyright (C) 2006 Project X0213, All Rights Reserved.  
     You can use, modify, distribute this table freely.
 
 enc/trans/JIS/UCS@BMP%JISX0213-1.src::
@@ -178,8 +178,8 @@ enc/trans/JIS/UCS@SIP%JISX0213-2.src::
   These files are copyrighted as the following.
 
   >>>
-    Copyright (C) 2001 earthian@tama.or.jp, All Rights Reserved.
-    Copyright (C) 2001 I'O, All Rights Reserved.
+    Copyright (C) 2001 earthian@tama.or.jp, All Rights Reserved.  
+    Copyright (C) 2001 I'O, All Rights Reserved.  
     You can use, modify, distribute this table freely.
 
 configure::
@@ -275,7 +275,7 @@ missing/dtoa.c::
     OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE.
 
   >>>
-    Copyright (c) 2004-2008 David Schultz <das@FreeBSD.ORG>
+    Copyright (c) 2004-2008 David Schultz <das@FreeBSD.ORG>  
     All rights reserved.
 
     Redistribution and use in source and binary forms, with or without
@@ -316,7 +316,7 @@ missing/mt19937.c::
 
   >>>
     A C-program for MT19937, with initialization improved 2002/2/10.
-    Coded by Takuji Nishimura and Makoto Matsumoto.
+    Coded by Takuji Nishimura and Makoto Matsumoto.  
     This is a faster version by taking Shawn Cokus's optimization,
     Matthe Bellew's simplification, Isaku Wada's real version.
 
@@ -365,7 +365,7 @@ missing/procstat_vm.c::
   This file is under the new-style BSD license.
 
   >>>
-    Copyright (c) 2007 Robert N. M. Watson
+    Copyright (c) 2007 Robert N. M. Watson  
     All rights reserved.
 
     Redistribution and use in source and binary forms, with or without
@@ -396,7 +396,7 @@ vsnprintf.c::
   This file is under the {old-style BSD license}[rdoc-label:label-Old-style+BSD+license].
 
   >>>
-    Copyright (c) 1990, 1993
+    Copyright (c) 1990, 1993  
     The Regents of the University of California.  All rights reserved.
 
     This code is derived from software contributed to Berkeley by
@@ -433,7 +433,7 @@ missing/crypt.c::
   This file is under the {old-style BSD license}[rdoc-label:label-Old-style+BSD+license].
 
   >>>
-    Copyright (c) 1989, 1993
+    Copyright (c) 1989, 1993  
     The Regents of the University of California.  All rights reserved.
 
     This code is derived from software contributed to Berkeley by
@@ -444,9 +444,9 @@ missing/setproctitle.c::
   This file is under the {old-style BSD license}[rdoc-label:label-Old-style+BSD+license].
 
   >>>
-    Copyright 2003 Damien Miller
-    Copyright (c) 1983, 1995-1997 Eric P. Allman
-    Copyright (c) 1988, 1993
+    Copyright 2003 Damien Miller  
+    Copyright (c) 1983, 1995-1997 Eric P. Allman  
+    Copyright (c) 1988, 1993  
     The Regents of the University of California.  All rights reserved.
 
 missing/strlcat.c::
@@ -476,7 +476,7 @@ missing/langinfo.c::
   author/copyright notice:
 
   >>>
-    Markus.Kuhn@cl.cam.ac.uk -- 2002-03-11
+    Markus.Kuhn@cl.cam.ac.uk -- 2002-03-11  
     Permission to use, copy, modify, and distribute this software
     for any purpose and without fee is hereby granted. The author
     disclaims all warranties with regard to this software.
@@ -805,8 +805,8 @@ man/bundle-*,gemfile.*::
   Bundler is under the following license.
 
   >>>
-    Portions copyright (c) 2010 Andre Arko
-    Portions copyright (c) 2009 Engine Yard
+    Portions copyright (c) 2010 Andre Arko  
+    Portions copyright (c) 2009 Engine Yard  
 
     {MIT License}[rdoc-label:label-MIT+License]