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>

32 files changed, 62 insertions, 62 deletions

diff --git a/testsuite/tests/parser/should_fail/ExportCommaComma.stderr b/testsuite/tests/parser/should_fail/ExportCommaComma.stderr
index 99b8d6a777..e5cf1b5a5f 100644
--- a/testsuite/tests/parser/should_fail/ExportCommaComma.stderr
+++ b/testsuite/tests/parser/should_fail/ExportCommaComma.stderr
@@ -1,2 +1,2 @@
 
-ExportCommaComma.hs:2:38: parse error on input ‛,’
+ExportCommaComma.hs:2:38: parse error on input ‘,’
diff --git a/testsuite/tests/parser/should_fail/ParserNoLambdaCase.stderr b/testsuite/tests/parser/should_fail/ParserNoLambdaCase.stderr
index 00dd88b53f..147c8fef9c 100644
--- a/testsuite/tests/parser/should_fail/ParserNoLambdaCase.stderr
+++ b/testsuite/tests/parser/should_fail/ParserNoLambdaCase.stderr
@@ -1,2 +1,2 @@
 
-ParserNoLambdaCase.hs:3:6: parse error on input ‛case’
+ParserNoLambdaCase.hs:3:6: parse error on input ‘case’
diff --git a/testsuite/tests/parser/should_fail/T3811d.stderr b/testsuite/tests/parser/should_fail/T3811d.stderr
index d0cbacc3ff..fb23eceb2c 100644
--- a/testsuite/tests/parser/should_fail/T3811d.stderr
+++ b/testsuite/tests/parser/should_fail/T3811d.stderr
@@ -1,6 +1,6 @@
 
 T3811d.hs:6:11:
-    Unexpected type ‛D Char’
-    In the class declaration for ‛C’
+    Unexpected type ‘D Char’
+    In the class declaration for ‘C’
     A class declaration should have form
       class C a b c where ...
diff --git a/testsuite/tests/parser/should_fail/T7848.stderr b/testsuite/tests/parser/should_fail/T7848.stderr
index 3fc3998a01..1cbf5f4a85 100644
--- a/testsuite/tests/parser/should_fail/T7848.stderr
+++ b/testsuite/tests/parser/should_fail/T7848.stderr
@@ -1,14 +1,14 @@
 
 T7848.hs:10:9:
-    Couldn't match expected type ‛forall a. a’
-                with actual type ‛t -> t1 -> A -> A -> A -> A -> t2’
+    Couldn't match expected type ‘forall a. a’
+                with actual type ‘t -> t1 -> A -> A -> A -> A -> t2’
     Relevant bindings include
       z :: t1 (bound at T7848.hs:6:12)
       (&) :: t1 (bound at T7848.hs:6:8)
       (+) :: t (bound at T7848.hs:6:3)
       x :: t -> t1 -> A -> A -> A -> A -> t2 (bound at T7848.hs:6:1)
     In the SPECIALISE pragma {-# SPECIALIZE (&) :: a #-}
-    In an equation for ‛x’:
+    In an equation for ‘x’:
         x (+) ((&)@z) ((:&&) a b) (c :&& d) (e `A` f) (A g h)
           = y
           where
diff --git a/testsuite/tests/parser/should_fail/T8431.stderr b/testsuite/tests/parser/should_fail/T8431.stderr
index 2f05838425..4a4d1fe1ae 100644
--- a/testsuite/tests/parser/should_fail/T8431.stderr
+++ b/testsuite/tests/parser/should_fail/T8431.stderr
@@ -1,2 +1,2 @@
 
-T8431.hs:1:1: parse error on input ‛)’
+T8431.hs:1:1: parse error on input ‘)’
diff --git a/testsuite/tests/parser/should_fail/T8506.stderr b/testsuite/tests/parser/should_fail/T8506.stderr
index bfccfaf14c..b0e9fde84b 100644
--- a/testsuite/tests/parser/should_fail/T8506.stderr
+++ b/testsuite/tests/parser/should_fail/T8506.stderr
@@ -1,6 +1,6 @@
 
 T8506.hs:3:16:
-    Unexpected type ‛Int’
-    In the class declaration for ‛Shapable’
+    Unexpected type ‘Int’
+    In the class declaration for ‘Shapable’
     A class declaration should have form
       class Shapable a b c where ...
diff --git a/testsuite/tests/parser/should_fail/position001.stderr b/testsuite/tests/parser/should_fail/position001.stderr
index dabcfe45de..d83041b460 100644
--- a/testsuite/tests/parser/should_fail/position001.stderr
+++ b/testsuite/tests/parser/should_fail/position001.stderr
@@ -1,2 +1,2 @@
 
-position001.hs:6:33: parse error on input ‛module’
+position001.hs:6:33: parse error on input ‘module’
diff --git a/testsuite/tests/parser/should_fail/position002.stderr b/testsuite/tests/parser/should_fail/position002.stderr
index 4bf5e3e808..a57a790323 100644
--- a/testsuite/tests/parser/should_fail/position002.stderr
+++ b/testsuite/tests/parser/should_fail/position002.stderr
@@ -1,2 +1,2 @@
 
-position002.hs:6:33: parse error on input ‛module’
+position002.hs:6:33: parse error on input ‘module’
diff --git a/testsuite/tests/parser/should_fail/readFail001.stderr b/testsuite/tests/parser/should_fail/readFail001.stderr
index dc02e8588f..e0859e8a1c 100644
--- a/testsuite/tests/parser/should_fail/readFail001.stderr
+++ b/testsuite/tests/parser/should_fail/readFail001.stderr
@@ -1,26 +1,26 @@
 
 readFail001.hs:25:11:
-    The fixity signature for ‛+#’ lacks an accompanying binding
+    The fixity signature for ‘+#’ lacks an accompanying binding
 
 readFail001.hs:38:32:
-    Not in scope: type constructor or class ‛Leaf’
+    Not in scope: type constructor or class ‘Leaf’
     A data constructor of that name is in scope; did you mean DataKinds?
 
 readFail001.hs:38:41:
-    Not in scope: type constructor or class ‛Leaf’
+    Not in scope: type constructor or class ‘Leaf’
     A data constructor of that name is in scope; did you mean DataKinds?
 
-readFail001.hs:87:11: Not in scope: ‛x’
+readFail001.hs:87:11: Not in scope: ‘x’
 
-readFail001.hs:88:19: Not in scope: ‛x’
+readFail001.hs:88:19: Not in scope: ‘x’
 
-readFail001.hs:94:19: Not in scope: ‛isSpace’
+readFail001.hs:94:19: Not in scope: ‘isSpace’
 
-readFail001.hs:95:13: Not in scope: ‛foo’
+readFail001.hs:95:13: Not in scope: ‘foo’
 
-readFail001.hs:107:30: Not in scope: data constructor ‛Foo’
+readFail001.hs:107:30: Not in scope: data constructor ‘Foo’
 
-readFail001.hs:107:42: Not in scope: data constructor ‛Bar’
+readFail001.hs:107:42: Not in scope: data constructor ‘Bar’
 
 readFail001.hs:112:23:
-    Not in scope: type constructor or class ‛Foo’
+    Not in scope: type constructor or class ‘Foo’
diff --git a/testsuite/tests/parser/should_fail/readFail006.stderr b/testsuite/tests/parser/should_fail/readFail006.stderr
index f80f2dd5f7..f697584e4a 100644
--- a/testsuite/tests/parser/should_fail/readFail006.stderr
+++ b/testsuite/tests/parser/should_fail/readFail006.stderr
@@ -1,2 +1,2 @@
 
-readFail006.hs:8:12: parse error on input ‛@’
+readFail006.hs:8:12: parse error on input ‘@’
diff --git a/testsuite/tests/parser/should_fail/readFail008.stderr b/testsuite/tests/parser/should_fail/readFail008.stderr
index a2701740b0..8fd289a301 100644
--- a/testsuite/tests/parser/should_fail/readFail008.stderr
+++ b/testsuite/tests/parser/should_fail/readFail008.stderr
@@ -1,6 +1,6 @@
 
 readFail008.hs:5:15:
     A newtype constructor cannot have a strictness annotation,
-      but ‛T’ does
-    In the definition of data constructor ‛T’
-    In the newtype declaration for ‛N’
+      but ‘T’ does
+    In the definition of data constructor ‘T’
+    In the newtype declaration for ‘N’
diff --git a/testsuite/tests/parser/should_fail/readFail011.stderr b/testsuite/tests/parser/should_fail/readFail011.stderr
index 0d1e52e09a..5c5504ba9a 100644
--- a/testsuite/tests/parser/should_fail/readFail011.stderr
+++ b/testsuite/tests/parser/should_fail/readFail011.stderr
@@ -1,2 +1,2 @@
 
-readFail011.hs:7:10: parse error on input ‛=’
+readFail011.hs:7:10: parse error on input ‘=’
diff --git a/testsuite/tests/parser/should_fail/readFail013.stderr b/testsuite/tests/parser/should_fail/readFail013.stderr
index 114252c094..ee3db9bae1 100644
--- a/testsuite/tests/parser/should_fail/readFail013.stderr
+++ b/testsuite/tests/parser/should_fail/readFail013.stderr
@@ -1,2 +1,2 @@
 
-readFail013.hs:4:5: parse error on input ‛`’
+readFail013.hs:4:5: parse error on input ‘`’
diff --git a/testsuite/tests/parser/should_fail/readFail014.stderr b/testsuite/tests/parser/should_fail/readFail014.stderr
index 6582b49fcc..d8012cc19c 100644
--- a/testsuite/tests/parser/should_fail/readFail014.stderr
+++ b/testsuite/tests/parser/should_fail/readFail014.stderr
@@ -1,2 +1,2 @@
 
-readFail014.hs:3:12: parse error on input ‛}’
+readFail014.hs:3:12: parse error on input ‘}’
diff --git a/testsuite/tests/parser/should_fail/readFail016.stderr b/testsuite/tests/parser/should_fail/readFail016.stderr
index 87f3d2c657..33ccbed470 100644
--- a/testsuite/tests/parser/should_fail/readFail016.stderr
+++ b/testsuite/tests/parser/should_fail/readFail016.stderr
@@ -1,4 +1,4 @@
 
 readFail016.hs:7:1:
     Precedence parsing error
-        cannot mix ‛|-’ [infix 6] and ‛:’ [infixr 5] in the same infix expression
+        cannot mix ‘|-’ [infix 6] and ‘:’ [infixr 5] in the same infix expression
diff --git a/testsuite/tests/parser/should_fail/readFail019.stderr b/testsuite/tests/parser/should_fail/readFail019.stderr
index 3428176934..0cf26735a0 100644
--- a/testsuite/tests/parser/should_fail/readFail019.stderr
+++ b/testsuite/tests/parser/should_fail/readFail019.stderr
@@ -1,2 +1,2 @@
 
-readFail019.hs:3:18: parse error on input ‛in’
+readFail019.hs:3:18: parse error on input ‘in’
diff --git a/testsuite/tests/parser/should_fail/readFail020.stderr b/testsuite/tests/parser/should_fail/readFail020.stderr
index aba8a92b78..0e3bde41da 100644
--- a/testsuite/tests/parser/should_fail/readFail020.stderr
+++ b/testsuite/tests/parser/should_fail/readFail020.stderr
@@ -1,2 +1,2 @@
 
-readFail020.hs:3:16: parse error on input ‛}’
+readFail020.hs:3:16: parse error on input ‘}’
diff --git a/testsuite/tests/parser/should_fail/readFail021.stderr b/testsuite/tests/parser/should_fail/readFail021.stderr
index ee6889fe4f..fe9c64b7e7 100644
--- a/testsuite/tests/parser/should_fail/readFail021.stderr
+++ b/testsuite/tests/parser/should_fail/readFail021.stderr
@@ -1,3 +1,3 @@
 
 readFail021.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/parser/should_fail/readFail023.stderr b/testsuite/tests/parser/should_fail/readFail023.stderr
index c31dc4e993..7c60be5108 100644
--- a/testsuite/tests/parser/should_fail/readFail023.stderr
+++ b/testsuite/tests/parser/should_fail/readFail023.stderr
@@ -1,6 +1,6 @@
 
 readFail023.hs:9:5:
-    The operator ‛**’ [infixl 7] of a section
+    The operator ‘**’ [infixl 7] of a section
         must have lower precedence than that of the operand,
           namely prefix `-' [infixl 6]
-        in the section: ‛- 3 **’
+        in the section: ‘- 3 **’
diff --git a/testsuite/tests/parser/should_fail/readFail024.stderr b/testsuite/tests/parser/should_fail/readFail024.stderr
index 3338410229..45c8458d6c 100644
--- a/testsuite/tests/parser/should_fail/readFail024.stderr
+++ b/testsuite/tests/parser/should_fail/readFail024.stderr
@@ -1,2 +1,2 @@
 
-readFail024.hs:5:2: parse error on input ‛h’
+readFail024.hs:5:2: parse error on input ‘h’
diff --git a/testsuite/tests/parser/should_fail/readFail025.stderr b/testsuite/tests/parser/should_fail/readFail025.stderr
index e706e52fc9..da220cd0c3 100644
--- a/testsuite/tests/parser/should_fail/readFail025.stderr
+++ b/testsuite/tests/parser/should_fail/readFail025.stderr
@@ -1,6 +1,6 @@
 
 readFail025.hs:5:8:
-    Unexpected type ‛String’
-    In the data declaration for ‛T’
+    Unexpected type ‘String’
+    In the data declaration for ‘T’
     A data declaration should have form
       data T a b c = ...
diff --git a/testsuite/tests/parser/should_fail/readFail026.stderr b/testsuite/tests/parser/should_fail/readFail026.stderr
index 3c237954b8..0577b26d45 100644
--- a/testsuite/tests/parser/should_fail/readFail026.stderr
+++ b/testsuite/tests/parser/should_fail/readFail026.stderr
@@ -1,2 +1,2 @@
 
-readFail026.hs:3:7: parse error on input ‛,’
+readFail026.hs:3:7: parse error on input ‘,’
diff --git a/testsuite/tests/parser/should_fail/readFail034.stderr b/testsuite/tests/parser/should_fail/readFail034.stderr
index 201abd4011..027d0ca13f 100644
--- a/testsuite/tests/parser/should_fail/readFail034.stderr
+++ b/testsuite/tests/parser/should_fail/readFail034.stderr
@@ -1,2 +1,2 @@
 
-readFail034.hs:4:6: parse error on input ‛=’
+readFail034.hs:4:6: parse error on input ‘=’
diff --git a/testsuite/tests/parser/should_fail/readFail035.stderr b/testsuite/tests/parser/should_fail/readFail035.stderr
index cd0f2c38ea..574cde49ab 100644
--- a/testsuite/tests/parser/should_fail/readFail035.stderr
+++ b/testsuite/tests/parser/should_fail/readFail035.stderr
@@ -1,4 +1,4 @@
 
 readFail035.hs:6:1:
-    ‛Foo’ has no constructors (EmptyDataDecls permits this)
-    In the data declaration for ‛Foo’
+    ‘Foo’ has no constructors (EmptyDataDecls permits this)
+    In the data declaration for ‘Foo’
diff --git a/testsuite/tests/parser/should_fail/readFail036.stderr b/testsuite/tests/parser/should_fail/readFail036.stderr
index 8c9d4d4aa3..0d22eb8363 100644
--- a/testsuite/tests/parser/should_fail/readFail036.stderr
+++ b/testsuite/tests/parser/should_fail/readFail036.stderr
@@ -1,5 +1,5 @@
 
 readFail036.hs:4:16:
-    Illegal kind signature: ‛*’
+    Illegal kind signature: ‘*’
       Perhaps you intended to use KindSignatures
-    In the data type declaration for ‛Foo’
+    In the data type declaration for ‘Foo’
diff --git a/testsuite/tests/parser/should_fail/readFail037.stderr b/testsuite/tests/parser/should_fail/readFail037.stderr
index e3e65cf645..6fcd2db206 100644
--- a/testsuite/tests/parser/should_fail/readFail037.stderr
+++ b/testsuite/tests/parser/should_fail/readFail037.stderr
@@ -1,5 +1,5 @@
 
 readFail037.hs:4:1:
-    Too many parameters for class ‛Foo’
+    Too many parameters for class ‘Foo’
     (Use MultiParamTypeClasses to allow multi-parameter classes)
-    In the class declaration for ‛Foo’
+    In the class declaration for ‘Foo’
diff --git a/testsuite/tests/parser/should_fail/readFail039.stderr b/testsuite/tests/parser/should_fail/readFail039.stderr
index a4ffdf8dac..81d5001624 100644
--- a/testsuite/tests/parser/should_fail/readFail039.stderr
+++ b/testsuite/tests/parser/should_fail/readFail039.stderr
@@ -1,6 +1,6 @@
 
 readFail039.hs:8:14:
-    Can't make a derived instance of ‛C Foo’:
-      ‛C’ is not a derivable class
+    Can't make a derived instance of ‘C Foo’:
+      ‘C’ is not a derivable class
       Try GeneralizedNewtypeDeriving for GHC's newtype-deriving extension
-    In the newtype declaration for ‛Foo’
+    In the newtype declaration for ‘Foo’
diff --git a/testsuite/tests/parser/should_fail/readFail040.stderr b/testsuite/tests/parser/should_fail/readFail040.stderr
index 31a3618214..6cbb3ce525 100644
--- a/testsuite/tests/parser/should_fail/readFail040.stderr
+++ b/testsuite/tests/parser/should_fail/readFail040.stderr
@@ -1,2 +1,2 @@
 
-readFail040.hs:7:11: parse error on input ‛<-’
+readFail040.hs:7:11: parse error on input ‘<-’
diff --git a/testsuite/tests/parser/should_fail/readFail041.stderr b/testsuite/tests/parser/should_fail/readFail041.stderr
index f94d2282ed..c5b28a6f0f 100644
--- a/testsuite/tests/parser/should_fail/readFail041.stderr
+++ b/testsuite/tests/parser/should_fail/readFail041.stderr
@@ -1,5 +1,5 @@
 
 readFail041.hs:6:1:
-    Fundeps in class ‛Foo’
+    Fundeps in class ‘Foo’
     (Use FunctionalDependencies to allow fundeps)
-    In the class declaration for ‛Foo’
+    In the class declaration for ‘Foo’
diff --git a/testsuite/tests/parser/should_fail/readFail042.stderr b/testsuite/tests/parser/should_fail/readFail042.stderr
index 433397ff11..b5d64f81c5 100644
--- a/testsuite/tests/parser/should_fail/readFail042.stderr
+++ b/testsuite/tests/parser/should_fail/readFail042.stderr
@@ -7,6 +7,6 @@ readFail042.hs:11:9:
     Unexpected transform statement in a list comprehension
     Use TransformListComp
 
-readFail042.hs:11:23: Not in scope: ‛by’
+readFail042.hs:11:23: Not in scope: ‘by’
 
-readFail042.hs:11:26: Not in scope: ‛x’
+readFail042.hs:11:26: Not in scope: ‘x’
diff --git a/testsuite/tests/parser/should_fail/readFail043.stderr b/testsuite/tests/parser/should_fail/readFail043.stderr
index b39f8f87a2..bdbacb7980 100644
--- a/testsuite/tests/parser/should_fail/readFail043.stderr
+++ b/testsuite/tests/parser/should_fail/readFail043.stderr
@@ -3,24 +3,24 @@ readFail043.hs:10:9:
     Unexpected transform statement in a list comprehension
     Use TransformListComp
 
-readFail043.hs:10:20: Not in scope: ‛by’
+readFail043.hs:10:20: Not in scope: ‘by’
 
-readFail043.hs:10:23: Not in scope: ‛x’
+readFail043.hs:10:23: Not in scope: ‘x’
 
-readFail043.hs:10:25: Not in scope: ‛using’
+readFail043.hs:10:25: Not in scope: ‘using’
 
 readFail043.hs:11:9:
     Unexpected transform statement in a list comprehension
     Use TransformListComp
 
-readFail043.hs:11:20: Not in scope: ‛by’
+readFail043.hs:11:20: Not in scope: ‘by’
 
-readFail043.hs:11:23: Not in scope: ‛x’
+readFail043.hs:11:23: Not in scope: ‘x’
 
-readFail043.hs:11:25: Not in scope: ‛using’
+readFail043.hs:11:25: Not in scope: ‘using’
 
 readFail043.hs:12:9:
     Unexpected transform statement in a list comprehension
     Use TransformListComp
 
-readFail043.hs:12:20: Not in scope: ‛using’
+readFail043.hs:12:20: Not in scope: ‘using’
diff --git a/testsuite/tests/parser/should_fail/readFail046.stderr b/testsuite/tests/parser/should_fail/readFail046.stderr
index 072fe530f9..5ac8b7091a 100644
--- a/testsuite/tests/parser/should_fail/readFail046.stderr
+++ b/testsuite/tests/parser/should_fail/readFail046.stderr
@@ -1,4 +1,4 @@
 
 readFail046.hs:1:14:
     Unsupported extension: ExistientialQuantification
-    Perhaps you meant ‛ExistentialQuantification’ or ‛NoExistentialQuantification’
+    Perhaps you meant ‘ExistentialQuantification’ or ‘NoExistentialQuantification’