replace trailing whitespace with blackslash in README.md

As an alternative to the markdown trailing whitespace as a line
break, we use a trailing blackslash as a markdown line break.

2005/vince/README.md

@@ -1,8 +1,8 @@
 # Most beauteous visuals
 
-Vincent Weaver  
-US  
-<vince@deater.net>  
+Vincent Weaver\
+US\
+<vince@deater.net>\
 <http://www.deater.net/weave/>
 
 ## To build: