COLLATE: UTF8 collation of strings.

Collating strings is a complex affair. To describe some cases where gson's collation algorthim might fail are:

When applications want to sort smaller case letters (like 'a', 'b', 'c') to sort before capital case letters (like 'A', 'B', 'C').
When application want to sort latin characters in the context of different languages like german or swedish. Refer https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Collator
When applications want to follow ICU collation standard for unicode characters.
- http://userguide.icu-project.org/collation/architecture
- http://site.icu-project.org/design/collation/v2
Databases can used different collation standard.
- https://www.ibm.com/support/knowledgecenter/en/SSGU8G_11.50.0/com.ibm.glsug.doc/ids_gug_026.htm

bnclabs / gson