index.asciidoc in logstash-output-email-4.1.1

- old
+ new

@@ -1,7 +1,8 @@
 :plugin: email
 :type: output
+:default_codec: plain
 
 ///////////////////////////////////////////
 START - GENERATED VARIABLES, DO NOT EDIT!
 ///////////////////////////////////////////
 :version: %VERSION%
@@ -252,5 +253,7 @@
 Can be used with `body` to send multi-part emails. Takes precedence over `htmlBody`.
 
 
 [id="plugins-{type}s-{plugin}-common-options"]
 include::{include_path}/{type}.asciidoc[]
+
+:default_codec!:
\ No newline at end of file