manual.yml: remove contingent tests

Also clarify non-prescriptive nature of some tests in jq.test
diff --git a/docs/content/manual/manual.yml b/docs/content/manual/manual.yml
index 7f28150..a2ff8a7 100644
--- a/docs/content/manual/manual.yml
+++ b/docs/content/manual/manual.yml
@@ -863,8 +863,8 @@
 
         examples:
           - program: 'map(abs)'
-            input: '[-10, -1.1, -1e-1, 1000000000000000002, -1000000000000000002]'
-            output: ['[10,1.1,1e-1,10000000000000002,1e+18]']
+            input: '[-10, -1.1, -1e-1]'
+            output: ['[10,1.1,1e-1]']
 
       - title: "`length`"
         body: |
diff --git a/jq.1.prebuilt b/jq.1.prebuilt
index ed7dc0d..02518f5 100644
--- a/jq.1.prebuilt
+++ b/jq.1.prebuilt
@@ -849,8 +849,8 @@
 .nf
 
 jq \'map(abs)\'
-   [\-10, \-1\.1, \-1e\-1, 1000000000000000002, \-1000000000000000002]
-=> [10,1\.1,1e\-1,10000000000000002,1e+18]
+   [\-10, \-1\.1, \-1e\-1]
+=> [10,1\.1,1e\-1]
 .
 .fi
 .
diff --git a/tests/jq.test b/tests/jq.test
index e79d60c..f3804a7 100644
--- a/tests/jq.test
+++ b/tests/jq.test
@@ -1814,12 +1814,17 @@
 "abc"
 
 map(abs)
-[-10, -1.1, -1e-1, 1000000000000000002]
-[10,1.1,0.1,1000000000000000002]
+[-0, 0, -10, -1.1]
+[0,0,10,1.1]
 
-map(fabs == length) | unique[0]
-[-10, -1.1, -1e-1, 1000000000000000002, -1000000000000000002]
-true
+map(fabs == length) | unique
+[-10, -1.1, -1e-1, 1000000000000000002]
+[true]
+
+# The following is NOT prescriptive:
+map(abs)
+[0.1,1000000000000000002]
+[1e-1, 1000000000000000002]
 
 # Using a keyword as variable/label name
 
diff --git a/tests/man.test b/tests/man.test
index 682c24a..354043b 100644
--- a/tests/man.test
+++ b/tests/man.test
@@ -189,8 +189,8 @@
 -1
 
 map(abs)
-[-10, -1.1, -1e-1, 1000000000000000002, -1000000000000000002]
-[10,1.1,1e-1,10000000000000002,1e+18]
+[-10, -1.1, -1e-1]
+[10,1.1,1e-1]
 
 .[] | length
 [[1,2], "string", {"a":2}, null, -5]