Doc: little changes

doc/Expr.adoc

@@ -396,12 +396,16 @@ _non-empty-list_ = "**[**" _any-value_ {"**,**" _any-value} "**]**" +
 .Examples
 `>>>` [blue]`[1,2,3]`                     [gray]_// List of integers_ +
 [green]`[1, 2, 3]`
+
 `>>>` [blue]`["one", "two", "three"]`     [gray]_// List of strings_ +
 [green]`["one", "two", "three"]`
+
 `>>>` [blue]`["one", 2, false, 4.1]`      [gray]_// List of mixed-types_ +
 [green]`["one", 2, false, 4.1]`
+
 `>>>` [blue]`["one"+1, 2.0*(9-2)]`        [gray]_// List of expressions_ +
 [green]`["one1", 14]`
+
 `>>>` [blue]`[ [1,"one"], [2,"two"]]`     [gray]_// List of lists_ +
 [green]`[[1, "one"], [2, "two"]]`
 
@@ -434,18 +438,25 @@ Array's items can be accessed using the index `[]` operator.
 .Items of list
 `>>>` [blue]`[1,2,3].1` +
 [green]`2`
+
 `>>>` [blue]`list=[1,2,3]; list.1` +
 [green]`2`
+
 `>>>` [blue]`["one","two","three"].1` +
 [green]`two`
+
 `>>>` [blue]`list=["one","two","three"]; list.(2-1)` +
 [green]`two`
+
 `>>>` [blue]`list.(-1)` +
 [green]`three`
+
 `>>>` [blue]`list.(10)` +
 [red]`Eval Error: [1:9] index 10 out of bounds`
+
 `>>>` [blue]`#list` +
 [green]`3`
+
 `>>>` [blue]`index=2; ["a", "b", "c", "d"].index` +
 [green]`c`