Use U+2018 instead of U+201B quote mark in compiler messages

This matches GCC's choice of Unicode quotation marks (i.e. U+2018 and U+2019)
and therefore looks more familiar on the console. This addresses #2507.

Signed-off-by: Herbert Valerio Riedel <hvr@gnu.org>

66 files changed, 129 insertions, 129 deletions

diff --git a/testsuite/tests/rename/should_fail/T1595a.stderr b/testsuite/tests/rename/should_fail/T1595a.stderr
index f7dd8113f0..9705293a0a 100644
--- a/testsuite/tests/rename/should_fail/T1595a.stderr
+++ b/testsuite/tests/rename/should_fail/T1595a.stderr
@@ -1,2 +1,2 @@
 
-T1595a.hs:3:20: Not in scope: type constructor or class ‛Tpyo’
+T1595a.hs:3:20: Not in scope: type constructor or class ‘Tpyo’
diff --git a/testsuite/tests/rename/should_fail/T2310.stderr b/testsuite/tests/rename/should_fail/T2310.stderr
index a5dd532a0c..807a574f75 100644
--- a/testsuite/tests/rename/should_fail/T2310.stderr
+++ b/testsuite/tests/rename/should_fail/T2310.stderr
@@ -1,10 +1,10 @@
 
 T2310.hs:5:22:
-    Illegal result type signature ‛a’
+    Illegal result type signature ‘a’
       Result signatures are no longer supported in pattern matches
     In a lambda abstraction: \ x :: a -> (x :: a)
 
 T2310.hs:5:39:
-    Not in scope: ‛co’
+    Not in scope: ‘co’
     Perhaps you meant one of these:
-      ‛c’ (line 5), ‛cos’ (imported from Prelude)
+      ‘c’ (line 5), ‘cos’ (imported from Prelude)
diff --git a/testsuite/tests/rename/should_fail/T2723.stderr b/testsuite/tests/rename/should_fail/T2723.stderr
index b348161453..66b2deef47 100644
--- a/testsuite/tests/rename/should_fail/T2723.stderr
+++ b/testsuite/tests/rename/should_fail/T2723.stderr
@@ -1,4 +1,4 @@
 
 T2723.hs:15:5: Warning:
-    This binding for ‛field3’ shadows the existing binding
+    This binding for ‘field3’ shadows the existing binding
       defined at T2723.hs:7:1
diff --git a/testsuite/tests/rename/should_fail/T2901.stderr b/testsuite/tests/rename/should_fail/T2901.stderr
index fedaee6329..b240139bd8 100644
--- a/testsuite/tests/rename/should_fail/T2901.stderr
+++ b/testsuite/tests/rename/should_fail/T2901.stderr
@@ -1,4 +1,4 @@
 
-T2901.hs:6:5: Not in scope: data constructor ‛F.Foo’
+T2901.hs:6:5: Not in scope: data constructor ‘F.Foo’
 
-T2901.hs:6:13: ‛F.field’ is not a (visible) constructor field name
+T2901.hs:6:13: ‘F.field’ is not a (visible) constructor field name
diff --git a/testsuite/tests/rename/should_fail/T2993.stderr b/testsuite/tests/rename/should_fail/T2993.stderr
index ec6fa1ea2a..00679dd1a5 100644
--- a/testsuite/tests/rename/should_fail/T2993.stderr
+++ b/testsuite/tests/rename/should_fail/T2993.stderr
@@ -1,2 +1,2 @@
 
-T2993.hs:7:13: Not in scope: ‛<$>’
+T2993.hs:7:13: Not in scope: ‘<$>’
diff --git a/testsuite/tests/rename/should_fail/T3265.stderr b/testsuite/tests/rename/should_fail/T3265.stderr
index 185861a9df..999b6b3ed2 100644
--- a/testsuite/tests/rename/should_fail/T3265.stderr
+++ b/testsuite/tests/rename/should_fail/T3265.stderr
@@ -1,8 +1,8 @@
 
 T3265.hs:7:8:
-    Illegal declaration of a type or class operator ‛:+:’
+    Illegal declaration of a type or class operator ‘:+:’
       Use TypeOperators to declare operators in type and declarations
 
 T3265.hs:9:9:
-    Illegal declaration of a type or class operator ‛:*:’
+    Illegal declaration of a type or class operator ‘:*:’
       Use TypeOperators to declare operators in type and declarations
diff --git a/testsuite/tests/rename/should_fail/T5211.stderr b/testsuite/tests/rename/should_fail/T5211.stderr
index 8dcc5b68bd..2a736dbdaa 100644
--- a/testsuite/tests/rename/should_fail/T5211.stderr
+++ b/testsuite/tests/rename/should_fail/T5211.stderr
@@ -1,5 +1,5 @@
 
 T5211.hs:5:1: Warning:
-    The qualified import of ‛Foreign.Storable’ is redundant
-      except perhaps to import instances from ‛Foreign.Storable’
+    The qualified import of ‘Foreign.Storable’ is redundant
+      except perhaps to import instances from ‘Foreign.Storable’
     To import instances alone, use: import Foreign.Storable()
diff --git a/testsuite/tests/rename/should_fail/T5281.stderr b/testsuite/tests/rename/should_fail/T5281.stderr
index 99ad47b584..d8bcc8f787 100644
--- a/testsuite/tests/rename/should_fail/T5281.stderr
+++ b/testsuite/tests/rename/should_fail/T5281.stderr
@@ -1,4 +1,4 @@
 
 T5281.hs:6:5: Warning:
-    In the use of ‛deprec’ (imported from T5281A):
+    In the use of ‘deprec’ (imported from T5281A):
     Deprecated: "This is deprecated"
diff --git a/testsuite/tests/rename/should_fail/T5372.stderr b/testsuite/tests/rename/should_fail/T5372.stderr
index 6677875083..9d3f06e7d4 100644
--- a/testsuite/tests/rename/should_fail/T5372.stderr
+++ b/testsuite/tests/rename/should_fail/T5372.stderr
@@ -1,6 +1,6 @@
 
 T5372.hs:4:11:
-    Not in scope: data constructor ‛MkS’
-    Perhaps you meant ‛T5372a.MkS’ (imported from T5372a)
+    Not in scope: data constructor ‘MkS’
+    Perhaps you meant ‘T5372a.MkS’ (imported from T5372a)
 
-T5372.hs:4:17: ‛x’ is not a (visible) constructor field name
+T5372.hs:4:17: ‘x’ is not a (visible) constructor field name
diff --git a/testsuite/tests/rename/should_fail/T5385.stderr b/testsuite/tests/rename/should_fail/T5385.stderr
index 2c87a0a47a..677c31ff3e 100644
--- a/testsuite/tests/rename/should_fail/T5385.stderr
+++ b/testsuite/tests/rename/should_fail/T5385.stderr
@@ -1,8 +1,8 @@
 
 T5385.hs:3:16:
-    In module ‛T5385a’:
-      ‛(:::)’ is a data constructor of ‛T’
+    In module ‘T5385a’:
+      ‘(:::)’ is a data constructor of ‘T’
     To import it use
-      ‛import’ T5385a( T( (:::) ) )
+      ‘import’ T5385a( T( (:::) ) )
     or
-      ‛import’ T5385a( T(..) )
+      ‘import’ T5385a( T(..) )
diff --git a/testsuite/tests/rename/should_fail/T5533.stderr b/testsuite/tests/rename/should_fail/T5533.stderr
index ce13e14e2e..5d514685d4 100644
--- a/testsuite/tests/rename/should_fail/T5533.stderr
+++ b/testsuite/tests/rename/should_fail/T5533.stderr
@@ -1,4 +1,4 @@
 
 T5533.hs:4:1:
-    The type signature for ‛f2’ lacks an accompanying binding
+    The type signature for ‘f2’ lacks an accompanying binding
       (You cannot give a type signature for a record selector or class method)
diff --git a/testsuite/tests/rename/should_fail/T5589.stderr b/testsuite/tests/rename/should_fail/T5589.stderr
index cf0c0a9a12..f3e5e8d05c 100644
--- a/testsuite/tests/rename/should_fail/T5589.stderr
+++ b/testsuite/tests/rename/should_fail/T5589.stderr
@@ -1,5 +1,5 @@
 
 T5589.hs:4:1:
-    Duplicate type signatures for ‛aaa’
+    Duplicate type signatures for ‘aaa’
     at T5589.hs:3:6-8
        T5589.hs:4:1-3
diff --git a/testsuite/tests/rename/should_fail/T5657.stderr b/testsuite/tests/rename/should_fail/T5657.stderr
index 17a223d41c..aa5f870b7b 100644
--- a/testsuite/tests/rename/should_fail/T5657.stderr
+++ b/testsuite/tests/rename/should_fail/T5657.stderr
@@ -1,5 +1,5 @@
 
-T5657.hs:3:8: Not in scope: ‛LT..’
+T5657.hs:3:8: Not in scope: ‘LT..’
 
 T5657.hs:3:8:
     A section must be enclosed in parentheses thus: (LT.. GT)
diff --git a/testsuite/tests/rename/should_fail/T5745.stderr b/testsuite/tests/rename/should_fail/T5745.stderr
index b71e1e2057..577ae069b3 100644
--- a/testsuite/tests/rename/should_fail/T5745.stderr
+++ b/testsuite/tests/rename/should_fail/T5745.stderr
@@ -1,2 +1,2 @@
 
-T5745.hs:5:6: Not in scope: type constructor or class ‛T’
+T5745.hs:5:6: Not in scope: type constructor or class ‘T’
diff --git a/testsuite/tests/rename/should_fail/T5892a.stderr b/testsuite/tests/rename/should_fail/T5892a.stderr
index a378dc3919..1600d8fa39 100644
--- a/testsuite/tests/rename/should_fail/T5892a.stderr
+++ b/testsuite/tests/rename/should_fail/T5892a.stderr
@@ -1,9 +1,9 @@
 
 T5892a.hs:12:8: Warning:
-    Fields of ‛Version’ not initialised: Data.Version.versionTags
+    Fields of ‘Version’ not initialised: Data.Version.versionTags
     In the expression: Version {..}
     In the expression: let versionBranch = [] in Version {..}
-    In an equation for ‛foo’:
+    In an equation for ‘foo’:
         foo (Version {..}) = let versionBranch = ... in Version {..}
 
 <no location info>: 
diff --git a/testsuite/tests/rename/should_fail/T5892b.stderr b/testsuite/tests/rename/should_fail/T5892b.stderr
index 10d1fd139e..3d25973fc2 100644
--- a/testsuite/tests/rename/should_fail/T5892b.stderr
+++ b/testsuite/tests/rename/should_fail/T5892b.stderr
@@ -1,4 +1,4 @@
 
 T5892b.hs:11:7:
-    Not in scope: ‛T5892b.versionTags’
-    Perhaps you meant ‛T5892b.versionBranch’ (line 7)
+    Not in scope: ‘T5892b.versionTags’
+    Perhaps you meant ‘T5892b.versionBranch’ (line 7)
diff --git a/testsuite/tests/rename/should_fail/T7164.stderr b/testsuite/tests/rename/should_fail/T7164.stderr
index 5e27fb876d..8049b27cde 100644
--- a/testsuite/tests/rename/should_fail/T7164.stderr
+++ b/testsuite/tests/rename/should_fail/T7164.stderr
@@ -1,5 +1,5 @@
 
 T7164.hs:8:1:
-    Multiple declarations of ‛derp’
+    Multiple declarations of ‘derp’
     Declared at: T7164.hs:5:5
                  T7164.hs:8:1
diff --git a/testsuite/tests/rename/should_fail/T7338.stderr b/testsuite/tests/rename/should_fail/T7338.stderr
index b1e6e5c803..ceb6753a22 100644
--- a/testsuite/tests/rename/should_fail/T7338.stderr
+++ b/testsuite/tests/rename/should_fail/T7338.stderr
@@ -1,6 +1,6 @@
 
 T7338.hs:4:1:
-    Duplicate type signatures for ‛a’
+    Duplicate type signatures for ‘a’
     at T7338.hs:3:1
        T7338.hs:3:4
        T7338.hs:4:1
diff --git a/testsuite/tests/rename/should_fail/T7338a.stderr b/testsuite/tests/rename/should_fail/T7338a.stderr
index b4b00a3590..8d6d00097c 100644
--- a/testsuite/tests/rename/should_fail/T7338a.stderr
+++ b/testsuite/tests/rename/should_fail/T7338a.stderr
@@ -1,10 +1,10 @@
 
 T7338a.hs:7:4:
-    Duplicate type signatures for ‛a’
+    Duplicate type signatures for ‘a’
     at T7338a.hs:3:1
        T7338a.hs:7:4
 
 T7338a.hs:10:1:
-    Duplicate type signatures for ‛c’
+    Duplicate type signatures for ‘c’
     at T7338a.hs:7:1
        T7338a.hs:10:1
diff --git a/testsuite/tests/rename/should_fail/T7454.stderr b/testsuite/tests/rename/should_fail/T7454.stderr
index a8d11886e4..9f8998591a 100644
--- a/testsuite/tests/rename/should_fail/T7454.stderr
+++ b/testsuite/tests/rename/should_fail/T7454.stderr
@@ -1,3 +1,3 @@
 
 T7454.hs:5:1: Warning:
-    The import of ‛Arrow’ from module ‛Control.Arrow’ is redundant
+    The import of ‘Arrow’ from module ‘Control.Arrow’ is redundant
diff --git a/testsuite/tests/rename/should_fail/T7906.stderr b/testsuite/tests/rename/should_fail/T7906.stderr
index 30ccbed6e9..3f06d8b2fb 100644
--- a/testsuite/tests/rename/should_fail/T7906.stderr
+++ b/testsuite/tests/rename/should_fail/T7906.stderr
@@ -1,4 +1,4 @@
 
 T7906.hs:5:16:
-    The INLINABLE pragma for ‛foo’ lacks an accompanying binding
+    The INLINABLE pragma for ‘foo’ lacks an accompanying binding
       (You cannot give a INLINABLE pragma for a record selector or class method)
diff --git a/testsuite/tests/rename/should_fail/T7937.stderr b/testsuite/tests/rename/should_fail/T7937.stderr
index 09eb845cbd..3bae064072 100644
--- a/testsuite/tests/rename/should_fail/T7937.stderr
+++ b/testsuite/tests/rename/should_fail/T7937.stderr
@@ -1,4 +1,4 @@
 
 T7937.hs:8:13:
-    Not in scope: ‛***’
-    Perhaps you meant ‛**’ (imported from Prelude)
+    Not in scope: ‘***’
+    Perhaps you meant ‘**’ (imported from Prelude)
diff --git a/testsuite/tests/rename/should_fail/T8448.stderr b/testsuite/tests/rename/should_fail/T8448.stderr
index 28bfacf62c..e5834fbcaf 100644
--- a/testsuite/tests/rename/should_fail/T8448.stderr
+++ b/testsuite/tests/rename/should_fail/T8448.stderr
@@ -1,2 +1,2 @@
 
-T8448.hs:5:21: ‛r’ is not a (visible) field of constructor ‛[]’
+T8448.hs:5:21: ‘r’ is not a (visible) field of constructor ‘[]’
diff --git a/testsuite/tests/rename/should_fail/mc13.stderr b/testsuite/tests/rename/should_fail/mc13.stderr
index 3cf06955a4..4d615c2f23 100644
--- a/testsuite/tests/rename/should_fail/mc13.stderr
+++ b/testsuite/tests/rename/should_fail/mc13.stderr
@@ -1,2 +1,2 @@
 
-mc13.hs:12:37: Not in scope: ‛f’
+mc13.hs:12:37: Not in scope: ‘f’
diff --git a/testsuite/tests/rename/should_fail/mc14.stderr b/testsuite/tests/rename/should_fail/mc14.stderr
index 28d2ca2241..04321ff524 100644
--- a/testsuite/tests/rename/should_fail/mc14.stderr
+++ b/testsuite/tests/rename/should_fail/mc14.stderr
@@ -1,2 +1,2 @@
 
-mc14.hs:14:49: Not in scope: ‛f’
+mc14.hs:14:49: Not in scope: ‘f’
diff --git a/testsuite/tests/rename/should_fail/rn_dup.stderr b/testsuite/tests/rename/should_fail/rn_dup.stderr
index f0d101c0a3..961e420ac7 100644
--- a/testsuite/tests/rename/should_fail/rn_dup.stderr
+++ b/testsuite/tests/rename/should_fail/rn_dup.stderr
@@ -1,22 +1,22 @@
 
 rn_dup.hs:9:10:
-    Multiple declarations of ‛MkT’
+    Multiple declarations of ‘MkT’
     Declared at: rn_dup.hs:7:10
                  rn_dup.hs:7:16
                  rn_dup.hs:9:10
 
 rn_dup.hs:12:16:
-    Multiple declarations of ‛rf’
+    Multiple declarations of ‘rf’
     Declared at: rn_dup.hs:11:16
                  rn_dup.hs:11:27
                  rn_dup.hs:12:16
 
 rn_dup.hs:17:3:
-    Multiple declarations of ‛CT’
+    Multiple declarations of ‘CT’
     Declared at: rn_dup.hs:15:3
                  rn_dup.hs:17:3
 
 rn_dup.hs:18:3:
-    Multiple declarations of ‛f’
+    Multiple declarations of ‘f’
     Declared at: rn_dup.hs:16:3
                  rn_dup.hs:18:3
diff --git a/testsuite/tests/rename/should_fail/rnfail001.stderr b/testsuite/tests/rename/should_fail/rnfail001.stderr
index d8baefcb42..3046ff10a1 100644
--- a/testsuite/tests/rename/should_fail/rnfail001.stderr
+++ b/testsuite/tests/rename/should_fail/rnfail001.stderr
@@ -1,6 +1,6 @@
 
 rnfail001.hs:3:3:
-    Conflicting definitions for ‛x’
+    Conflicting definitions for ‘x’
     Bound at: rnfail001.hs:3:3
               rnfail001.hs:3:5
-    In an equation for ‛f’
+    In an equation for ‘f’
diff --git a/testsuite/tests/rename/should_fail/rnfail002.stderr b/testsuite/tests/rename/should_fail/rnfail002.stderr
index 6c15ef103d..ffa05e767d 100644
--- a/testsuite/tests/rename/should_fail/rnfail002.stderr
+++ b/testsuite/tests/rename/should_fail/rnfail002.stderr
@@ -1,5 +1,5 @@
 
 rnfail002.hs:6:1:
-    Multiple declarations of ‛y’
+    Multiple declarations of ‘y’
     Declared at: rnfail002.hs:5:1
                  rnfail002.hs:6:1
diff --git a/testsuite/tests/rename/should_fail/rnfail003.stderr b/testsuite/tests/rename/should_fail/rnfail003.stderr
index 0482332626..24c74a6cbb 100644
--- a/testsuite/tests/rename/should_fail/rnfail003.stderr
+++ b/testsuite/tests/rename/should_fail/rnfail003.stderr
@@ -1,5 +1,5 @@
 
 rnfail003.hs:4:1:
-    Multiple declarations of ‛f’
+    Multiple declarations of ‘f’
     Declared at: rnfail003.hs:2:1
                  rnfail003.hs:4:1
diff --git a/testsuite/tests/rename/should_fail/rnfail004.stderr b/testsuite/tests/rename/should_fail/rnfail004.stderr
index 23e22fe28f..6e9a61f6ea 100644
--- a/testsuite/tests/rename/should_fail/rnfail004.stderr
+++ b/testsuite/tests/rename/should_fail/rnfail004.stderr
@@ -1,10 +1,10 @@
 
 rnfail004.hs:6:5:
-    Conflicting definitions for ‛a’
+    Conflicting definitions for ‘a’
     Bound at: rnfail004.hs:6:5
               rnfail004.hs:7:10
 
 rnfail004.hs:7:6:
-    Conflicting definitions for ‛b’
+    Conflicting definitions for ‘b’
     Bound at: rnfail004.hs:7:6
               rnfail004.hs:8:8
diff --git a/testsuite/tests/rename/should_fail/rnfail007.stderr b/testsuite/tests/rename/should_fail/rnfail007.stderr
index 9108173c01..98f96f1e02 100644
--- a/testsuite/tests/rename/should_fail/rnfail007.stderr
+++ b/testsuite/tests/rename/should_fail/rnfail007.stderr
@@ -1,3 +1,3 @@
 
 rnfail007.hs:1:1:
-    The IO action ‛main’ is not defined in module ‛Main’
+    The IO action ‘main’ is not defined in module ‘Main’
diff --git a/testsuite/tests/rename/should_fail/rnfail008.stderr b/testsuite/tests/rename/should_fail/rnfail008.stderr
index f565d87990..bf4b0e4d08 100644
--- a/testsuite/tests/rename/should_fail/rnfail008.stderr
+++ b/testsuite/tests/rename/should_fail/rnfail008.stderr
@@ -1,2 +1,2 @@
 
-rnfail008.hs:18:9: ‛op3’ is not a (visible) method of class ‛K’
+rnfail008.hs:18:9: ‘op3’ is not a (visible) method of class ‘K’
diff --git a/testsuite/tests/rename/should_fail/rnfail009.stderr b/testsuite/tests/rename/should_fail/rnfail009.stderr
index 9f5e98ecb1..d8d3fa5fcc 100644
--- a/testsuite/tests/rename/should_fail/rnfail009.stderr
+++ b/testsuite/tests/rename/should_fail/rnfail009.stderr
@@ -1,5 +1,5 @@
 
 rnfail009.hs:5:10:
-    Multiple declarations of ‛A’
+    Multiple declarations of ‘A’
     Declared at: rnfail009.hs:3:10
                  rnfail009.hs:5:10
diff --git a/testsuite/tests/rename/should_fail/rnfail010.stderr b/testsuite/tests/rename/should_fail/rnfail010.stderr
index d2f7a9385b..bd20f39188 100644
--- a/testsuite/tests/rename/should_fail/rnfail010.stderr
+++ b/testsuite/tests/rename/should_fail/rnfail010.stderr
@@ -1,5 +1,5 @@
 
 rnfail010.hs:6:1:
-    Multiple declarations of ‛f’
+    Multiple declarations of ‘f’
     Declared at: rnfail010.hs:2:1
                  rnfail010.hs:6:1
diff --git a/testsuite/tests/rename/should_fail/rnfail011.stderr b/testsuite/tests/rename/should_fail/rnfail011.stderr
index 352b4da837..0d55b36f50 100644
--- a/testsuite/tests/rename/should_fail/rnfail011.stderr
+++ b/testsuite/tests/rename/should_fail/rnfail011.stderr
@@ -1,5 +1,5 @@
 
 rnfail011.hs:6:1:
-    Multiple declarations of ‛A’
+    Multiple declarations of ‘A’
     Declared at: rnfail011.hs:2:1
                  rnfail011.hs:6:1
diff --git a/testsuite/tests/rename/should_fail/rnfail012.stderr b/testsuite/tests/rename/should_fail/rnfail012.stderr
index 0dd75d65f7..833256a1ca 100644
--- a/testsuite/tests/rename/should_fail/rnfail012.stderr
+++ b/testsuite/tests/rename/should_fail/rnfail012.stderr
@@ -1,5 +1,5 @@
 
 rnfail012.hs:8:1:
-    Multiple declarations of ‛A’
+    Multiple declarations of ‘A’
     Declared at: rnfail012.hs:2:1
                  rnfail012.hs:8:1
diff --git a/testsuite/tests/rename/should_fail/rnfail013.stderr b/testsuite/tests/rename/should_fail/rnfail013.stderr
index eebfaa2e02..ae2ead8fc4 100644
--- a/testsuite/tests/rename/should_fail/rnfail013.stderr
+++ b/testsuite/tests/rename/should_fail/rnfail013.stderr
@@ -1,5 +1,5 @@
 
 rnfail013.hs:7:11:
-    Multiple declarations of ‛MkT’
+    Multiple declarations of ‘MkT’
     Declared at: rnfail013.hs:5:11
                  rnfail013.hs:7:11
diff --git a/testsuite/tests/rename/should_fail/rnfail015.stderr b/testsuite/tests/rename/should_fail/rnfail015.stderr
index 999a7acabf..8edd5e3740 100644
--- a/testsuite/tests/rename/should_fail/rnfail015.stderr
+++ b/testsuite/tests/rename/should_fail/rnfail015.stderr
@@ -1,5 +1,5 @@
 
 rnfail015.hs:14:9:
-    Multiple declarations of ‛TokLiteral’
+    Multiple declarations of ‘TokLiteral’
     Declared at: rnfail015.hs:8:9
                  rnfail015.hs:14:9
diff --git a/testsuite/tests/rename/should_fail/rnfail017.stderr b/testsuite/tests/rename/should_fail/rnfail017.stderr
index a89b6be1c0..de2990864f 100644
--- a/testsuite/tests/rename/should_fail/rnfail017.stderr
+++ b/testsuite/tests/rename/should_fail/rnfail017.stderr
@@ -1,8 +1,8 @@
 
 rnfail017.hs:5:10:
     Precedence parsing error
-        cannot mix ‛+’ [infixl 6] and prefix `-' [infixl 6] in the same infix expression
+        cannot mix ‘+’ [infixl 6] and prefix `-' [infixl 6] in the same infix expression
 
 rnfail017.hs:6:10:
     Precedence parsing error
-        cannot mix ‛*’ [infixl 7] and prefix `-' [infixl 6] in the same infix expression
+        cannot mix ‘*’ [infixl 7] and prefix `-' [infixl 6] in the same infix expression
diff --git a/testsuite/tests/rename/should_fail/rnfail018.stderr b/testsuite/tests/rename/should_fail/rnfail018.stderr
index 7658b18baa..847cfe211e 100644
--- a/testsuite/tests/rename/should_fail/rnfail018.stderr
+++ b/testsuite/tests/rename/should_fail/rnfail018.stderr
@@ -1,8 +1,8 @@
 
-rnfail018.hs:12:37: Not in scope: type variable ‛a’
+rnfail018.hs:12:37: Not in scope: type variable ‘a’
 
-rnfail018.hs:12:42: Not in scope: type variable ‛m’
+rnfail018.hs:12:42: Not in scope: type variable ‘m’
 
-rnfail018.hs:12:47: Not in scope: type variable ‛m’
+rnfail018.hs:12:47: Not in scope: type variable ‘m’
 
-rnfail018.hs:12:49: Not in scope: type variable ‛a’
+rnfail018.hs:12:49: Not in scope: type variable ‘a’
diff --git a/testsuite/tests/rename/should_fail/rnfail019.stderr b/testsuite/tests/rename/should_fail/rnfail019.stderr
index 449da500e1..2520641bd6 100644
--- a/testsuite/tests/rename/should_fail/rnfail019.stderr
+++ b/testsuite/tests/rename/should_fail/rnfail019.stderr
@@ -1,6 +1,6 @@
 
 rnfail019.hs:5:9:
-    The operator ‛:’ [infixr 5] of a section
+    The operator ‘:’ [infixr 5] of a section
         must have lower precedence than that of the operand,
-          namely ‛:’ [infixr 5]
-        in the section: ‛x : y :’
+          namely ‘:’ [infixr 5]
+        in the section: ‘x : y :’
diff --git a/testsuite/tests/rename/should_fail/rnfail022.stderr b/testsuite/tests/rename/should_fail/rnfail022.stderr
index d443cec996..fe23268548 100644
--- a/testsuite/tests/rename/should_fail/rnfail022.stderr
+++ b/testsuite/tests/rename/should_fail/rnfail022.stderr
@@ -1,4 +1,4 @@
 
 rnfail022.hs:8:5:
-    Not in scope: ‛intersperse’
-    Perhaps you meant ‛L.intersperse’ (imported from Data.List)
+    Not in scope: ‘intersperse’
+    Perhaps you meant ‘L.intersperse’ (imported from Data.List)
diff --git a/testsuite/tests/rename/should_fail/rnfail023.stderr b/testsuite/tests/rename/should_fail/rnfail023.stderr
index 7fa68c3f19..d10427ae7e 100644
--- a/testsuite/tests/rename/should_fail/rnfail023.stderr
+++ b/testsuite/tests/rename/should_fail/rnfail023.stderr
@@ -1,9 +1,9 @@
 
 rnfail023.hs:7:1:
-    The type signature for ‛f’ lacks an accompanying binding
+    The type signature for ‘f’ lacks an accompanying binding
 
 rnfail023.hs:8:12:
-    The INLINE pragma for ‛f’ lacks an accompanying binding
+    The INLINE pragma for ‘f’ lacks an accompanying binding
 
 rnfail023.hs:14:7:
-    The type signature for ‛g’ lacks an accompanying binding
+    The type signature for ‘g’ lacks an accompanying binding
diff --git a/testsuite/tests/rename/should_fail/rnfail024.stderr b/testsuite/tests/rename/should_fail/rnfail024.stderr
index f3e6cbe615..83eed48b3a 100644
--- a/testsuite/tests/rename/should_fail/rnfail024.stderr
+++ b/testsuite/tests/rename/should_fail/rnfail024.stderr
@@ -1,6 +1,6 @@
 
 rnfail024.hs:3:1:
-    The type signature for ‛sig_without_a_defn’
+    The type signature for ‘sig_without_a_defn’
       lacks an accompanying binding
 
-rnfail024.hs:6:5: Not in scope: ‛sig_without_a_defn’
+rnfail024.hs:6:5: Not in scope: ‘sig_without_a_defn’
diff --git a/testsuite/tests/rename/should_fail/rnfail025.stderr b/testsuite/tests/rename/should_fail/rnfail025.stderr
index bdb07ad5cf..2f57250f33 100644
--- a/testsuite/tests/rename/should_fail/rnfail025.stderr
+++ b/testsuite/tests/rename/should_fail/rnfail025.stderr
@@ -1,4 +1,4 @@
 
 rnfail025.hs:3:1:
-    The type signature for ‛sig_without_a_defn’
+    The type signature for ‘sig_without_a_defn’
       lacks an accompanying binding
diff --git a/testsuite/tests/rename/should_fail/rnfail026.stderr b/testsuite/tests/rename/should_fail/rnfail026.stderr
index 1b17272ae1..22caa11c1d 100644
--- a/testsuite/tests/rename/should_fail/rnfail026.stderr
+++ b/testsuite/tests/rename/should_fail/rnfail026.stderr
@@ -1,9 +1,9 @@
 
 rnfail026.hs:16:17:
-    The first argument of ‛Monad’ should have kind ‛* -> *’,
-      but ‛forall a. Eq a => Set a’ has kind ‛*’
-    In the instance declaration for ‛Monad (forall a. Eq a => Set a)’
+    The first argument of ‘Monad’ should have kind ‘* -> *’,
+      but ‘forall a. Eq a => Set a’ has kind ‘*’
+    In the instance declaration for ‘Monad (forall a. Eq a => Set a)’
 
 rnfail026.hs:19:10:
     Illegal polymorphic or qualified type: forall a. [a]
-    In the instance declaration for ‛Eq (forall a. [a])’
+    In the instance declaration for ‘Eq (forall a. [a])’
diff --git a/testsuite/tests/rename/should_fail/rnfail027.stderr b/testsuite/tests/rename/should_fail/rnfail027.stderr
index 062600ac8d..c58a74f758 100644
--- a/testsuite/tests/rename/should_fail/rnfail027.stderr
+++ b/testsuite/tests/rename/should_fail/rnfail027.stderr
@@ -1,3 +1,3 @@
 
 rnfail027.hs:5:10:
-    The fixity signature for ‛wibble’ lacks an accompanying binding
+    The fixity signature for ‘wibble’ lacks an accompanying binding
diff --git a/testsuite/tests/rename/should_fail/rnfail029.stderr b/testsuite/tests/rename/should_fail/rnfail029.stderr
index 671b035c46..c1d97b3acf 100644
--- a/testsuite/tests/rename/should_fail/rnfail029.stderr
+++ b/testsuite/tests/rename/should_fail/rnfail029.stderr
@@ -1,8 +1,8 @@
 
 rnfail029.hs:2:36:
-    Conflicting exports for ‛map’:
-       ‛Data.List.map’ exports ‛Data.List.map’
-         imported qualified from ‛Data.List’ at rnfail029.hs:3:1-26
-         (and originally defined in ‛GHC.Base’)
-       ‛module ShouldFail’ exports ‛ShouldFail.map’
+    Conflicting exports for ‘map’:
+       ‘Data.List.map’ exports ‘Data.List.map’
+         imported qualified from ‘Data.List’ at rnfail029.hs:3:1-26
+         (and originally defined in ‘GHC.Base’)
+       ‘module ShouldFail’ exports ‘ShouldFail.map’
          defined at rnfail029.hs:4:1
diff --git a/testsuite/tests/rename/should_fail/rnfail030.stderr b/testsuite/tests/rename/should_fail/rnfail030.stderr
index cbac79dc42..5b2cd36358 100644
--- a/testsuite/tests/rename/should_fail/rnfail030.stderr
+++ b/testsuite/tests/rename/should_fail/rnfail030.stderr
@@ -1,2 +1,2 @@
 
-rnfail030.hs:2:21: Not in scope: ‛Data.List.map’
+rnfail030.hs:2:21: Not in scope: ‘Data.List.map’
diff --git a/testsuite/tests/rename/should_fail/rnfail031.stderr b/testsuite/tests/rename/should_fail/rnfail031.stderr
index eee31a2ec8..828d5121c8 100644
--- a/testsuite/tests/rename/should_fail/rnfail031.stderr
+++ b/testsuite/tests/rename/should_fail/rnfail031.stderr
@@ -1,2 +1,2 @@
 
-rnfail031.hs:2:21: Not in scope: ‛Data.List.map’
+rnfail031.hs:2:21: Not in scope: ‘Data.List.map’
diff --git a/testsuite/tests/rename/should_fail/rnfail032.stderr b/testsuite/tests/rename/should_fail/rnfail032.stderr
index f4cf865977..8a2bf0c4d1 100644
--- a/testsuite/tests/rename/should_fail/rnfail032.stderr
+++ b/testsuite/tests/rename/should_fail/rnfail032.stderr
@@ -1,7 +1,7 @@
 
 rnfail032.hs:2:21:
-    Not in scope: ‛Data.List.map’
+    Not in scope: ‘Data.List.map’
     Perhaps you meant one of these:
-      ‛Data.List.zip’ (imported from Data.List),
-      ‛Data.List.sum’ (imported from Data.List),
-      ‛Data.List.all’ (imported from Data.List)
+      ‘Data.List.zip’ (imported from Data.List),
+      ‘Data.List.sum’ (imported from Data.List),
+      ‘Data.List.all’ (imported from Data.List)
diff --git a/testsuite/tests/rename/should_fail/rnfail033.stderr b/testsuite/tests/rename/should_fail/rnfail033.stderr
index 4a2e76222c..9e95a85e53 100644
--- a/testsuite/tests/rename/should_fail/rnfail033.stderr
+++ b/testsuite/tests/rename/should_fail/rnfail033.stderr
@@ -1,7 +1,7 @@
 
 rnfail033.hs:2:21:
-    Not in scope: ‛Data.List.map’
+    Not in scope: ‘Data.List.map’
     Perhaps you meant one of these:
-      ‛Data.List.zip’ (imported from Data.List),
-      ‛Data.List.sum’ (imported from Data.List),
-      ‛Data.List.all’ (imported from Data.List)
+      ‘Data.List.zip’ (imported from Data.List),
+      ‘Data.List.sum’ (imported from Data.List),
+      ‘Data.List.all’ (imported from Data.List)
diff --git a/testsuite/tests/rename/should_fail/rnfail034.stderr b/testsuite/tests/rename/should_fail/rnfail034.stderr
index 6c9b49ec4f..78bc649c29 100644
--- a/testsuite/tests/rename/should_fail/rnfail034.stderr
+++ b/testsuite/tests/rename/should_fail/rnfail034.stderr
@@ -2,5 +2,5 @@
 rnfail034.hs:4:11: Qualified name in binding position: M.y
 
 rnfail034.hs:4:26:
-    Not in scope: ‛M.y’
-    Perhaps you meant ‛M.g’ (line 4)
+    Not in scope: ‘M.y’
+    Perhaps you meant ‘M.g’ (line 4)
diff --git a/testsuite/tests/rename/should_fail/rnfail035.stderr b/testsuite/tests/rename/should_fail/rnfail035.stderr
index 35dd128e24..b5de0c0700 100644
--- a/testsuite/tests/rename/should_fail/rnfail035.stderr
+++ b/testsuite/tests/rename/should_fail/rnfail035.stderr
@@ -1,2 +1,2 @@
 
-rnfail035.hs:2:21: Not in scope: type constructor or class ‛C’
+rnfail035.hs:2:21: Not in scope: type constructor or class ‘C’
diff --git a/testsuite/tests/rename/should_fail/rnfail040.stderr b/testsuite/tests/rename/should_fail/rnfail040.stderr
index 1ff86a8262..38ffb08b60 100644
--- a/testsuite/tests/rename/should_fail/rnfail040.stderr
+++ b/testsuite/tests/rename/should_fail/rnfail040.stderr
@@ -1,8 +1,8 @@
 
 rnfail040.hs:7:12:
-    Conflicting exports for ‛nub’:
-       ‛module M’ exports ‛M.nub’
-         imported from ‛Data.List’ at rnfail040.hs:10:2-22
-       ‛module M’ exports ‛T.nub’
-         imported from ‛Rnfail040_A’ at rnfail040.hs:11:2-24
+    Conflicting exports for ‘nub’:
+       ‘module M’ exports ‘M.nub’
+         imported from ‘Data.List’ at rnfail040.hs:10:2-22
+       ‘module M’ exports ‘T.nub’
+         imported from ‘Rnfail040_A’ at rnfail040.hs:11:2-24
          (and originally defined at Rnfail040_A.hs:2:3-5)
diff --git a/testsuite/tests/rename/should_fail/rnfail041.stderr b/testsuite/tests/rename/should_fail/rnfail041.stderr
index bebccf2176..c5532569d1 100644
--- a/testsuite/tests/rename/should_fail/rnfail041.stderr
+++ b/testsuite/tests/rename/should_fail/rnfail041.stderr
@@ -1,6 +1,6 @@
 
 rnfail041.hs:4:1:
-    The type signature for ‛h’ lacks an accompanying binding
+    The type signature for ‘h’ lacks an accompanying binding
 
 rnfail041.hs:5:1:
-    The type signature for ‛j’ lacks an accompanying binding
+    The type signature for ‘j’ lacks an accompanying binding
diff --git a/testsuite/tests/rename/should_fail/rnfail043.stderr b/testsuite/tests/rename/should_fail/rnfail043.stderr
index 61cef734f9..3547ac55b9 100644
--- a/testsuite/tests/rename/should_fail/rnfail043.stderr
+++ b/testsuite/tests/rename/should_fail/rnfail043.stderr
@@ -1,5 +1,5 @@
 
 rnfail043.hs:10:1:
-    Multiple declarations of ‛f’
+    Multiple declarations of ‘f’
     Declared at: rnfail043.hs:6:1
                  rnfail043.hs:10:1
diff --git a/testsuite/tests/rename/should_fail/rnfail044.stderr b/testsuite/tests/rename/should_fail/rnfail044.stderr
index fdae4e17c0..eef15b2209 100644
--- a/testsuite/tests/rename/should_fail/rnfail044.stderr
+++ b/testsuite/tests/rename/should_fail/rnfail044.stderr
@@ -1,7 +1,7 @@
 
 rnfail044.hs:5:12:
-    Ambiguous occurrence ‛splitAt’
-    It could refer to either ‛A.splitAt’, defined at rnfail044.hs:8:3
-                          or ‛Data.List.splitAt’,
-                             imported from ‛Prelude’ at rnfail044.hs:5:8
-                             (and originally defined in ‛GHC.List’)
+    Ambiguous occurrence ‘splitAt’
+    It could refer to either ‘A.splitAt’, defined at rnfail044.hs:8:3
+                          or ‘Data.List.splitAt’,
+                             imported from ‘Prelude’ at rnfail044.hs:5:8
+                             (and originally defined in ‘GHC.List’)
diff --git a/testsuite/tests/rename/should_fail/rnfail045.stderr b/testsuite/tests/rename/should_fail/rnfail045.stderr
index 9cba624ac3..52069f567c 100644
--- a/testsuite/tests/rename/should_fail/rnfail045.stderr
+++ b/testsuite/tests/rename/should_fail/rnfail045.stderr
@@ -1,10 +1,10 @@
 
 rnfail045.hs:5:1:
-    Equations for ‛op1’ have different numbers of arguments
+    Equations for ‘op1’ have different numbers of arguments
       rnfail045.hs:5:1-16
       rnfail045.hs:6:1-13
 
 rnfail045.hs:8:1:
-    Equations for ‛op2’ have different numbers of arguments
+    Equations for ‘op2’ have different numbers of arguments
       rnfail045.hs:8:1-13
       rnfail045.hs:9:1-16
diff --git a/testsuite/tests/rename/should_fail/rnfail048.stderr b/testsuite/tests/rename/should_fail/rnfail048.stderr
index 7dd35d12a3..64955c3982 100644
--- a/testsuite/tests/rename/should_fail/rnfail048.stderr
+++ b/testsuite/tests/rename/should_fail/rnfail048.stderr
@@ -1,6 +1,6 @@
 
 rnfail048.hs:11:12:
-    Duplicate INLINE pragmas for ‛foo’
+    Duplicate INLINE pragmas for ‘foo’
     at rnfail048.hs:6:17-19
        rnfail048.hs:7:18-20
        rnfail048.hs:8:14-16
diff --git a/testsuite/tests/rename/should_fail/rnfail049.stderr b/testsuite/tests/rename/should_fail/rnfail049.stderr
index 8f08407ac2..8fab0fef8b 100644
--- a/testsuite/tests/rename/should_fail/rnfail049.stderr
+++ b/testsuite/tests/rename/should_fail/rnfail049.stderr
@@ -1,2 +1,2 @@
 
-rnfail049.hs:12:49: Not in scope: ‛f’
+rnfail049.hs:12:49: Not in scope: ‘f’
diff --git a/testsuite/tests/rename/should_fail/rnfail050.stderr b/testsuite/tests/rename/should_fail/rnfail050.stderr
index bbd1225438..61e0b43640 100644
--- a/testsuite/tests/rename/should_fail/rnfail050.stderr
+++ b/testsuite/tests/rename/should_fail/rnfail050.stderr
@@ -1,2 +1,2 @@
 
-rnfail050.hs:10:37: Not in scope: ‛f’
+rnfail050.hs:10:37: Not in scope: ‘f’
diff --git a/testsuite/tests/rename/should_fail/rnfail053.stderr b/testsuite/tests/rename/should_fail/rnfail053.stderr
index 183c8a72ec..a6d88d2a42 100644
--- a/testsuite/tests/rename/should_fail/rnfail053.stderr
+++ b/testsuite/tests/rename/should_fail/rnfail053.stderr
@@ -1,4 +1,4 @@
 
 rnfail053.hs:5:10:
-    Not a data constructor: ‛forall’
+    Not a data constructor: ‘forall’
     Perhaps you intended to use ExistentialQuantification
diff --git a/testsuite/tests/rename/should_fail/rnfail054.stderr b/testsuite/tests/rename/should_fail/rnfail054.stderr
index ef5b6d55b0..edfac8a1c8 100644
--- a/testsuite/tests/rename/should_fail/rnfail054.stderr
+++ b/testsuite/tests/rename/should_fail/rnfail054.stderr
@@ -1,5 +1,5 @@
 
 rnfail054.hs:6:13:
-    ‛foo’ is not a record selector
+    ‘foo’ is not a record selector
     In the expression: x {foo = 1}
-    In an equation for ‛foo’: foo x = x {foo = 1}
+    In an equation for ‘foo’: foo x = x {foo = 1}
diff --git a/testsuite/tests/rename/should_fail/rnfail055.stderr b/testsuite/tests/rename/should_fail/rnfail055.stderr
index 3a3eb04b01..ed17c5c5e6 100644
--- a/testsuite/tests/rename/should_fail/rnfail055.stderr
+++ b/testsuite/tests/rename/should_fail/rnfail055.stderr
@@ -6,31 +6,31 @@ RnFail055.hs-boot:1:73: Warning:
     -XDatatypeContexts is deprecated: It was widely considered a misfeature, and has been removed from the Haskell language.
 
 RnFail055.hs-boot:4:1:
-    Identifier ‛f1’ has conflicting definitions in the module
+    Identifier ‘f1’ has conflicting definitions in the module
     and its hs-boot file
     Main module: f1 :: Int -> Float
     Boot file:   f1 :: Float -> Int
 
 RnFail055.hs-boot:6:1:
-    Type constructor ‛S1’ has conflicting definitions in the module
+    Type constructor ‘S1’ has conflicting definitions in the module
     and its hs-boot file
     Main module: type S1 a b = (a, b)
     Boot file:   type S1 a b c = (a, b)
 
 RnFail055.hs-boot:8:1:
-    Type constructor ‛S2’ has conflicting definitions in the module
+    Type constructor ‘S2’ has conflicting definitions in the module
     and its hs-boot file
     Main module: type S2 a b = forall a. (a, b)
     Boot file:   type S2 a b = forall b. (a, b)
 
 RnFail055.hs-boot:12:1:
-    Type constructor ‛T1’ has conflicting definitions in the module
+    Type constructor ‘T1’ has conflicting definitions in the module
     and its hs-boot file
     Main module: data T1 a b = T1 [b] [a]
     Boot file:   data T1 a b = T1 [a] [b]
 
 RnFail055.hs-boot:14:1:
-    Type constructor ‛T2’ has conflicting definitions in the module
+    Type constructor ‘T2’ has conflicting definitions in the module
     and its hs-boot file
     Main module: type role T2 representational phantom
                  data Eq b => T2 a b = T2 a
@@ -43,19 +43,19 @@ RnFail055.hs-boot:17:12:
     T3' is exported by the hs-boot file, but not exported by the module
 
 RnFail055.hs-boot:21:1:
-    Type constructor ‛T5’ has conflicting definitions in the module
+    Type constructor ‘T5’ has conflicting definitions in the module
     and its hs-boot file
     Main module: data T5 a = T5 {field5 :: a}
     Boot file:   data T5 a = T5 a
 
 RnFail055.hs-boot:23:1:
-    Type constructor ‛T6’ has conflicting definitions in the module
+    Type constructor ‘T6’ has conflicting definitions in the module
     and its hs-boot file
     Main module: data T6 = T6 Int
     Boot file:   data T6 = T6 !Int
 
 RnFail055.hs-boot:25:1:
-    Type constructor ‛T7’ has conflicting definitions in the module
+    Type constructor ‘T7’ has conflicting definitions in the module
     and its hs-boot file
     Main module: type role T7 phantom
                  data T7 a where
@@ -66,7 +66,7 @@ RnFail055.hs-boot:27:22:
     RnFail055.m1 is exported by the hs-boot file, but not exported by the module
 
 RnFail055.hs-boot:28:1:
-    Class ‛C2’ has conflicting definitions in the module
+    Class ‘C2’ has conflicting definitions in the module
     and its hs-boot file
     Main module: class C2 a b where
                    m2 :: a -> b
@@ -75,7 +75,7 @@ RnFail055.hs-boot:28:1:
                    m2 :: a -> b
 
 RnFail055.hs-boot:29:1:
-    Class ‛C3’ has conflicting definitions in the module
+    Class ‘C3’ has conflicting definitions in the module
     and its hs-boot file
     Main module: class (Eq a, Ord a) => C3 a
     Boot file:   class (Ord a, Eq a) => C3 a
diff --git a/testsuite/tests/rename/should_fail/rnfail057.stderr b/testsuite/tests/rename/should_fail/rnfail057.stderr
index 682365654d..aaeb29dc4f 100644
--- a/testsuite/tests/rename/should_fail/rnfail057.stderr
+++ b/testsuite/tests/rename/should_fail/rnfail057.stderr
@@ -1,3 +1,3 @@
 
 rnfail057.hs:5:16:
-    Not in scope: type constructor or class ‛DontExistKind’
+    Not in scope: type constructor or class ‘DontExistKind’