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@@ -26,6 +26,12 @@ They SHOULD require the user to manually approve each payment individually, thou
=== Operating system integration ===
Graphical bitcoin clients SHOULD register themselves as the handler for the "bitcoin:" URI scheme by default, if no other handler is already registered. If there is already a registered handler, they MAY prompt the user to change it once when they first run the client.
+=== General Format ===
+
+Bitcoin URIs follow the general format for URIs as set forth in RFC 3986. The path component consists of a bitcoin address, and the query component provides additional payment options.
+
+Elements of the query component may contain characters outside the valid range. These must first be encoded according to UTF-8, and then each octet of the corresponding UTF-8 sequence must be percent-encoded as described in RFC 3986.
+
=== ABNF grammar ===
(See also [[#Simpler syntax|a simpler representation of syntax]])