Switch from pretty-simple to pretty-show for native output.

Update tests.

Reason:  it turns out that the native output generated by
pretty-simple isn't always readable by the native reader.
According to https://github.com/cdepillabout/pretty-simple/issues/99
it is not a design goal of the library that the rendered values
be readable using 'read'.  This makes it unsuitable for our
purposes.

pretty-show is a bit slower and it uses 4-space indents
(non-configurable), but it doesn't have this serious drawback.

1 files changed, 40 insertions, 40 deletions

diff --git a/test/command/3681.md b/test/command/3681.md
index e374f1c35..3e6c71a47 100644
--- a/test/command/3681.md
+++ b/test/command/3681.md
@@ -5,32 +5,32 @@
 Software developers create \cicd pipelines to… Following issue can be resolved by \cicd:
 ^D
 [ Para
-  [ Str "Software"
-  , Space
-  , Str "developers"
-  , Space
-  , Str "create"
-  , Space
-  , Str "CI/CD"
-  , Space
-  , Str "pipelines"
-  , Space
-  , Str "to\8230"
-  , Space
-  , Str "Following"
-  , Space
-  , Str "issue"
-  , Space
-  , Str "can"
-  , Space
-  , Str "be"
-  , Space
-  , Str "resolved"
-  , Space
-  , Str "by"
-  , Space
-  , Str "CI/CD:"
-  ]
+    [ Str "Software"
+    , Space
+    , Str "developers"
+    , Space
+    , Str "create"
+    , Space
+    , Str "CI/CD"
+    , Space
+    , Str "pipelines"
+    , Space
+    , Str "to\8230"
+    , Space
+    , Str "Following"
+    , Space
+    , Str "issue"
+    , Space
+    , Str "can"
+    , Space
+    , Str "be"
+    , Space
+    , Str "resolved"
+    , Space
+    , Str "by"
+    , Space
+    , Str "CI/CD:"
+    ]
 ]
 ```
 
@@ -41,20 +41,20 @@ Software developers create \cicd pipelines to… Following issue can be resolved
 \cicd\footnote{\url{https://en.wikipedia.org/wiki/CI/CD}} is awesome.
 ^D
 [ Para
-  [ Str "CI/CD"
-  , Note
-    [ Para
-      [ Link
-        ( "", [], [] )
-        [ Str "https://en.wikipedia.org/wiki/CI/CD" ]
-        ( "https://en.wikipedia.org/wiki/CI/CD", "" )
-      ]
+    [ Str "CI/CD"
+    , Note
+        [ Para
+            [ Link
+                ( "" , [] , [] )
+                [ Str "https://en.wikipedia.org/wiki/CI/CD" ]
+                ( "https://en.wikipedia.org/wiki/CI/CD" , "" )
+            ]
+        ]
+    , Space
+    , Str "is"
+    , Space
+    , Str "awesome."
     ]
-  , Space
-  , Str "is"
-  , Space
-  , Str "awesome."
-  ]
 ]
 ```
 
@@ -65,5 +65,5 @@ Software developers create \cicd pipelines to… Following issue can be resolved
 
 \cicd\pipeline.
 ^D
-[ Para [ Str "CI/CD", Space, Str "pipeline." ] ]
+[ Para [ Str "CI/CD" , Space , Str "pipeline." ] ]
 ```