Fix examples in manual

docs/content/3.manual/manual.yml

@@ -1094,7 +1094,7 @@ sections:
             output: ['[{"foo": 1, "bar": 2}, {"foo": 4, "bar": 5}]']
           - program: 'unique_by(length)'
             input: '["chunky", "bacon", "kitten", "cicada", "asparagus"]'
-            output: ['["chunky", "bacon", "asparagus"]']
+            output: ['["bacon", "chunky", "asparagus"]']
 
       - title: "`reverse`"
         body: |
@@ -1164,7 +1164,7 @@ sections:
           - program: 'index(", ")'
             input: '"a,b, cd, efg, hijk"'
             output: ['3']
-          - program: 'rindex(", ")]'
+          - program: 'rindex(", ")'
             input: '"a,b, cd, efg, hijk"'
             output: ['12']
 
@@ -1343,6 +1343,7 @@ sections:
           - program: 'recurse'
             input: '{"a":0,"b":[1]}'
             output:
+              - '{"a":0,"b":[1]}'
               - '0'
               - '[1]'
               - '1'