* lib/rdoc/parser/ruby.rb (RDoc#error): get rid of magic number.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@27195 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

lib/rdoc/parser/ruby.rb

@@ -212,7 +212,7 @@ class RDoc::Parser::Ruby < RDoc::Parser
   def error(msg)
     msg = make_message msg
     $stderr.puts msg
-    exit(1)
+    exit(false)
   end
 
   ##