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diff --git a/core/src/main/java/org/jruby/parser/StaticScope.java b/core/src/main/java/org/jruby/parser/StaticScope.java
index 66c9b71c61..32c644f730 100644
--- a/core/src/main/java/org/jruby/parser/StaticScope.java
+++ b/core/src/main/java/org/jruby/parser/StaticScope.java
@@ -37,6 +37,7 @@ import java.util.Arrays;
 import java.util.Collection;
 import java.util.Collections;
 import java.util.HashMap;
+import java.util.Map;
 import java.util.function.BiConsumer;

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Code:

def foo
  <<~Q
  Qend

JRuby:

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diff --git a/lib/parser/lexer.rl b/lib/parser/lexer.rl
index e477b06..88efafc 100644
--- a/lib/parser/lexer.rl
+++ b/lib/parser/lexer.rl
@@ -445,6 +445,60 @@ class Parser::Lexer
     # Ruby >= 32, regexp, exceptional case
     !literal.regexp?
   end
+  
+  def current_literal_munge_escape(current_literal)

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JRuby Java implementation

timeout default error
                        346.592k (± 5.2%) i/s -      1.747M in   5.055170s
 timeout given error    350.905k (± 5.5%) i/s -      1.775M in   5.073569s

JRuby Ruby port of Java implementation

timeout default error

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Thanks to our contributors this cycle for helping to improve compatibility: [@ahorek], [@byteit101], [@k77ch7]

Ruby Compatibility

• define_singleton_method now always uses public visibility. This simplifies its implementation and eliminates warnings when aliasing it, as in the ostruct gem. ([ruby/ostruct#40], [#7031], [#7055])

Java Integration

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--- lib/tmpdir.rb	2022-01-26 15:27:27.000000000 -0600
+++ ../jruby/lib/ruby/stdlib/tmpdir.rb	2021-10-27 14:50:07.000000000 -0500
@@ -1,20 +1,20 @@
 # frozen_string_literal: true
 #
 # tmpdir - retrieve temporary directory path
 #
 # $Id$
 #
 

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--- lib/resolv.rb	2022-01-26 15:27:26.000000000 -0600
+++ ../jruby/lib/ruby/stdlib/resolv.rb	2021-10-27 14:50:07.000000000 -0500
@@ -29,20 +29,24 @@
 #     p ress.map { |r| [r.exchange.to_s, r.preference] }
 #   end
 #
 #
 # == Bugs
 #
 # * NIS is not supported.

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#!/bin/bash
#
# Provides a function that allows you to choose a JDK.  Just set the environment 
# variable JDKS_ROOT to the directory containing multiple versions of the JDK
# and the function will prompt you to select one.  JAVA_HOME and PATH will be cleaned
# up and set appropriately.

# Usage:
# Include in .profile or .bashrc or source at login to get 'pickjdk' command.
# 'pickjdk' alone to bring up a menu of installed JDKs on OS X. Select one.

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$ jdeps --module-path lib/modules/:lib/jzlib.jar:lib/ant.jar core/target/jruby-base-9.3.0.0-SNAPSHOT.jar 
org.jruby.base
 [file:///Users/headius/projects/jruby/lib/modules/org.jruby.jruby-base-9.3.0.0-SNAPSHOT.jar]
   requires ant
   requires com.headius.backport9
   requires com.headius.invokebinder
   requires com.headius.options
   requires java.base
   requires static java.compiler
   requires java.management

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Chad's Guacamole

• 4 Avocados
• 2 Limes
• 6 or more Cloves of Fresh Garlic, unpeeled
• 1 Small Onion (red or white)
• 2 Roma Tomatoes, diced
• 3/4 cup Distilled White Vinegar
• 1 tbsp Fresh Cilantro (optional), chopped