From 5883615ebfa0a603c2fd8437a9a678058692a6dd Mon Sep 17 00:00:00 2001
From: Emiliano Mancuso <emiliano.mancuso@gmail.com>
Date: Sun, 7 Jan 2024 10:13:24 -0300
Subject: [PATCH 1/2] [147] Dump backslashed keys

---
 test/dumper_test.rb | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/test/dumper_test.rb b/test/dumper_test.rb
index ff4f9ef..e936bd2 100644
--- a/test/dumper_test.rb
+++ b/test/dumper_test.rb
@@ -108,18 +108,35 @@ def test_dump_array_tables
   def test_dump_interpolation_curly
     hash = {"key" => "includes \#{variable}"}
     dumped = TomlRB.dump(hash)
+
     assert_equal %(key = "includes \#{variable}") + "\n", dumped
   end
 
   def test_dump_interpolation_at
     hash = {"key" => 'includes #@variable'}
     dumped = TomlRB.dump(hash)
+
     assert_equal 'key = "includes #@variable"' + "\n", dumped
   end
 
   def test_dump_interpolation_dollar
     hash = {"key" => 'includes #$variable'}
     dumped = TomlRB.dump(hash)
+
     assert_equal 'key = "includes #$variable"' + "\n", dumped
   end
+
+  def test_dump_special_chars_in_literals
+    hash = {'\t' => "escape special chars in string literals"}
+    dumped = TomlRB.dump(hash)
+
+    assert_equal %("\\t" = "escape special chars in string literals") + "\n", dumped
+  end
+
+  def test_dump_special_chars_in_strings
+    hash = {"\t" => "escape special chars in strings"}
+    dumped = TomlRB.dump(hash)
+
+    assert_equal %("\t" = "escape special chars in strings") + "\n", dumped
+  end
 end

From d3861291a10b7266a4bd6c42f06207ed636304ff Mon Sep 17 00:00:00 2001
From: Emiliano Mancuso <emiliano.mancuso@gmail.com>
Date: Sun, 21 Jan 2024 12:39:08 +0000
Subject: [PATCH 2/2] Fix error

---
 lib/toml-rb/dumper.rb | 7 ++++++-
 test/dumper_test.rb   | 4 ++--
 2 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/lib/toml-rb/dumper.rb b/lib/toml-rb/dumper.rb
index fca16c4..628d8d5 100644
--- a/lib/toml-rb/dumper.rb
+++ b/lib/toml-rb/dumper.rb
@@ -108,8 +108,13 @@ def bare_key?(key)
       !!key.to_s.match(/^[a-zA-Z0-9_-]*$/)
     end
 
+    # The key needs to use quotes according to TOML specs.
+    # Ruby representation of literals or strings, mixed with special characters
+    # made the concatenation error-prone, luckiley the `#inspect` method returns
+    # exactly what we need. I decided to keep the method `quote_key/1`
+    # for readability.
     def quote_key(key)
-      '"' + key.gsub('"', '\\"') + '"'
+      key.inspect
     end
   end
 end
diff --git a/test/dumper_test.rb b/test/dumper_test.rb
index e936bd2..c6e2668 100644
--- a/test/dumper_test.rb
+++ b/test/dumper_test.rb
@@ -130,13 +130,13 @@ def test_dump_special_chars_in_literals
     hash = {'\t' => "escape special chars in string literals"}
     dumped = TomlRB.dump(hash)
 
-    assert_equal %("\\t" = "escape special chars in string literals") + "\n", dumped
+    assert_equal %("\\\\t" = "escape special chars in string literals") + "\n", dumped
   end
 
   def test_dump_special_chars_in_strings
     hash = {"\t" => "escape special chars in strings"}
     dumped = TomlRB.dump(hash)
 
-    assert_equal %("\t" = "escape special chars in strings") + "\n", dumped
+    assert_equal %("\\t" = "escape special chars in strings") + "\n", dumped
   end
 end