Bug #1019
closedirb/xmp fails because StringInputMethod doesn't support #encoding
Description
=begin
% ruby -v -r irb/xmp -e 'xmp("1+2")'
ruby 1.9.1p5000 (2009-01-16 trunk 21610) [i386-darwin9.6.0]
/usr/local/rubybook/lib/ruby/1.9.1/irb/context.rb:166: warning: method redefined; discarding old irb_name
1+2
/usr/local/rubybook/lib/ruby/1.9.1/irb/ruby-lex.rb:243:in block (2 levels) in each_top_level_statement': undefined method
encoding' for #XMP::StringInputMethod:0x3e1e44 (NoMethodError)
from /usr/local/rubybook/lib/ruby/1.9.1/irb/ruby-lex.rb:230:in loop' from /usr/local/rubybook/lib/ruby/1.9.1/irb/ruby-lex.rb:230:in
block in each_top_level_statement'
from /usr/local/rubybook/lib/ruby/1.9.1/irb/ruby-lex.rb:229:in catch' from /usr/local/rubybook/lib/ruby/1.9.1/irb/ruby-lex.rb:229:in
each_top_level_statement'
from /usr/local/rubybook/lib/ruby/1.9.1/irb.rb:145:in eval_input' from /usr/local/rubybook/lib/ruby/1.9.1/irb/xmp.rb:49:in
block in puts'
from /usr/local/rubybook/lib/ruby/1.9.1/irb/xmp.rb:48:in catch' from /usr/local/rubybook/lib/ruby/1.9.1/irb/xmp.rb:48:in
puts'
from /usr/local/rubybook/lib/ruby/1.9.1/irb/xmp.rb:83:in xmp' from -e:1:in
'
=end