[ruby/irb] Make IRB::ColorPrinter.pp compatible with PP.pp

The incompatible interface is not helpful, again if you want to use it
as a standalone library, falling it back to PP.

Original PP.pp also ends with `out << "\n"`.

https://github.com/ruby/irb/commit/4c74c7d84c

2 files changed, 2 insertions, 2 deletions

diff --git a/lib/irb/color_printer.rb b/lib/irb/color_printer.rb
index 11885f465d..73a150f881 100644
--- a/lib/irb/color_printer.rb
+++ b/lib/irb/color_printer.rb
@@ -8,7 +8,7 @@ module IRB
       q = ColorPrinter.new(out, width)
       q.guard_inspect_key {q.pp obj}
       q.flush
-      out
+      out << "\n"
     end
 
     def text(str, width = nil)
diff --git a/lib/irb/inspector.rb b/lib/irb/inspector.rb
index 92de2830bc..c2f3b605db 100644
--- a/lib/irb/inspector.rb
+++ b/lib/irb/inspector.rb
@@ -116,7 +116,7 @@ module IRB # :nodoc:
   }
   Inspector.def_inspector([true, :pp, :pretty_inspect], proc{require "irb/color_printer"}){|v|
     if IRB.conf[:MAIN_CONTEXT]&.use_colorize?
-      IRB::ColorPrinter.pp(v, '')
+      IRB::ColorPrinter.pp(v, '').chomp
     else
       v.pretty_inspect.chomp
     end