+ subject: string,
+ tags: [string*]
+}
+
+notmuch reply schema
+--------------------
+
+reply = {
+ # The headers of the constructed reply
+ reply-headers: reply_headers,
+
+ # As in the show format (format_part_json)
+ original: message
+}
+
+# Reply headers (format_headers_json with reply = TRUE)
+reply_headers = {
+ Subject: string,
+ From: string,
+ To?: string,
+ Cc?: string,
+ Bcc?: string,
+ In-reply-to: string,
+ References: string