Index: lib/rexml/formatters/pretty.rb
===================================================================
--- lib/rexml/formatters/pretty.rb	(revision 31103)
+++ lib/rexml/formatters/pretty.rb	(working copy)
@@ -88,7 +88,7 @@
         s = node.to_s()
         s.gsub!(/\s/,' ')
         s.squeeze!(" ")
-        s = wrap(s, 80-@level)
+        s = wrap(s, @width-@level)
         s = indent_text(s, @level, " ", true)
         output << (' '*@level + s)
       end