Docs: Add a note about `<` and `>` in query_string
`<` and `>` can't be escaped at all in `query_string`. If we're not
going to fix that we should at least document it.
Relates to
@@ -279,6 +279,10 @@ The reserved characters are: `+ - = && || > < ! ( ) { } [ ] ^ " ~ * ? : \ /`
Failing to escape these special characters correctly could lead to a syntax
error which prevents your query from running.
+NOTE: `<` and `>` can't be escaped at all. The only way to prevent them from
+attempting to create a range query is to remove them from the query string
+entirely.
+
.Watch this space
****
A space may also be a reserved character. For instance, if you have a
