diff --git a/CHANGES b/CHANGES
index 6b46f933f..91f26fe35 100644
--- a/CHANGES
+++ b/CHANGES
@@ -36,6 +36,11 @@ Bugs fixed
 * #3337: Ugly rendering of definition list term's classifier
 * #3335: gettext does not extract field_name of a field in a field_list
 * #2952: C++, fix refs to operator() functions.
+* Fix Unicode super- and subscript digits in :rst:dir:`code-block` and
+  :dudir:`parsed-literal` LaTeX output (ref #3342)
+* LaTeX writer: leave ``"`` character inside :dudir:`parsed-literal` as is
+  (ref #3341)
+* #3234: intersphinx failed for encoded inventories
 * #3158: too much space after captions in PDF output
 
 
diff --git a/sphinx/ext/intersphinx.py b/sphinx/ext/intersphinx.py
index ed37c083e..94b3e658a 100644
--- a/sphinx/ext/intersphinx.py
+++ b/sphinx/ext/intersphinx.py
@@ -29,6 +29,7 @@ from __future__ import print_function
 import time
 import zlib
 import codecs
+import functools
 import posixpath
 from os import path
 import re
@@ -164,6 +165,9 @@ def _read_from_url(url, config=None):
     r = requests.get(url, stream=True, config=config, timeout=config.intersphinx_timeout)
     r.raise_for_status()
     r.raw.url = r.url
+    # decode content-body based on the header.
+    # ref: https://github.com/kennethreitz/requests/issues/2155
+    r.raw.read = functools.partial(r.raw.read, decode_content=True)
     return r.raw
 
 
diff --git a/sphinx/util/texescape.py b/sphinx/util/texescape.py
index 8101a8fbf..60f3d8322 100644
--- a/sphinx/util/texescape.py
+++ b/sphinx/util/texescape.py
@@ -48,26 +48,26 @@ tex_replacements = [
     ('│', r'\textbar{}'),
     ('ℯ', r'e'),
     ('ⅈ', r'i'),
-    ('⁰', r'$^\text{0}$'),
-    ('¹', r'$^\text{1}$'),
-    ('²', r'$^\text{2}$'),
-    ('³', r'$^\text{3}$'),
-    ('⁴', r'$^\text{4}$'),
-    ('⁵', r'$^\text{5}$'),
-    ('⁶', r'$^\text{6}$'),
-    ('⁷', r'$^\text{7}$'),
-    ('⁸', r'$^\text{8}$'),
-    ('⁹', r'$^\text{9}$'),
-    ('₀', r'$_\text{0}$'),
-    ('₁', r'$_\text{1}$'),
-    ('₂', r'$_\text{2}$'),
-    ('₃', r'$_\text{3}$'),
-    ('₄', r'$_\text{4}$'),
-    ('₅', r'$_\text{5}$'),
-    ('₆', r'$_\text{6}$'),
-    ('₇', r'$_\text{7}$'),
-    ('₈', r'$_\text{8}$'),
-    ('₉', r'$_\text{9}$'),
+    ('⁰', r'\(\sp{\text{0}}\)'),
+    ('¹', r'\(\sp{\text{1}}\)'),
+    ('²', r'\(\sp{\text{2}}\)'),
+    ('³', r'\(\sp{\text{3}}\)'),
+    ('⁴', r'\(\sp{\text{4}}\)'),
+    ('⁵', r'\(\sp{\text{5}}\)'),
+    ('⁶', r'\(\sp{\text{6}}\)'),
+    ('⁷', r'\(\sp{\text{7}}\)'),
+    ('⁸', r'\(\sp{\text{8}}\)'),
+    ('⁹', r'\(\sp{\text{9}}\)'),
+    ('₀', r'\(\sb{\text{0}}\)'),
+    ('₁', r'\(\sb{\text{1}}\)'),
+    ('₂', r'\(\sb{\text{2}}\)'),
+    ('₃', r'\(\sb{\text{3}}\)'),
+    ('₄', r'\(\sb{\text{4}}\)'),
+    ('₅', r'\(\sb{\text{5}}\)'),
+    ('₆', r'\(\sb{\text{6}}\)'),
+    ('₇', r'\(\sb{\text{7}}\)'),
+    ('₈', r'\(\sb{\text{8}}\)'),
+    ('₉', r'\(\sb{\text{9}}\)'),
     # map Greek alphabet
     ('α', r'\(\alpha\)'),
     ('β', r'\(\beta\)'),
diff --git a/sphinx/writers/latex.py b/sphinx/writers/latex.py
index 11ccfe0f1..ddbf73c0a 100644
--- a/sphinx/writers/latex.py
+++ b/sphinx/writers/latex.py
@@ -355,6 +355,7 @@ class LaTeXTranslator(nodes.NodeVisitor):
         self.this_is_the_title = 1
         self.literal_whitespace = 0
         self.no_contractions = 0
+        self.in_parsed_literal = 0
         self.compact_list = 0
         self.first_param = 0
         self.remember_multirow = {}
@@ -1927,6 +1928,7 @@ class LaTeXTranslator(nodes.NodeVisitor):
     def visit_literal_block(self, node):
         if node.rawsource != node.astext():
             # most probably a parsed-literal block -- don't highlight
+            self.in_parsed_literal += 1
             self.body.append('\\begin{alltt}\n')
         else:
             ids = ''
@@ -1988,6 +1990,7 @@ class LaTeXTranslator(nodes.NodeVisitor):
 
     def depart_literal_block(self, node):
         self.body.append('\n\\end{alltt}\n')
+        self.in_parsed_literal -= 1
     visit_doctest_block = visit_literal_block
     depart_doctest_block = depart_literal_block
 
@@ -2190,7 +2193,7 @@ class LaTeXTranslator(nodes.NodeVisitor):
 
     def visit_Text(self, node):
         text = self.encode(node.astext())
-        if not self.no_contractions:
+        if not self.no_contractions and not self.in_parsed_literal:
             text = educate_quotes_latex(text)
         self.body.append(text)