cleanup, docs

site/doc/pages/0_StringList.txt

@@ -1,8 +1,15 @@
-:title
-0_StringList
-
 :sig
-0_StringList
+struct StringList — ordered list of String values
+
+:params
+return value : use methods such as `filter()`, `map()`, `keys()`, `each()`, `unique()`, `sort()`, `some()`, `every()`, and `find()` to derive or inspect lists
+
+:content
+`StringList` is an ordered container of `String` values. It inherits normal `std::vector<String>` behavior and adds list helpers for filtering, mapping, indexes, iteration, deduplication, sorting, and predicate checks.
+
+:example
+StringList labels = split("a,b,a", ",").unique().map([](String item) { return(to_upper(item)); });
+print(join(labels, ","), "\n");
 
 :see
 >types
@@ -13,12 +20,8 @@ join
 2_StringList_map
 2_StringList_keys
 2_StringList_each
-
-:content
-Sequential container of `String` values. It inherits normal `std::vector<String>` behavior and adds collection helpers for filtering, mapping, indexes, and iteration.
-
-```cpp
-StringList labels = split("a,b,c", ",").map([](String s) { return(to_upper(s)); });
-```
-
-See the method pages for details.
+2_StringList_unique
+2_StringList_sort
+2_StringList_some
+2_StringList_every
+2_StringList_find