[Building Sakai] Adding autoplay or autostart as goodAttributes for formattedText

[Shoji Kajita]

Dear Sakai Developers,

I'm trying to add

   autoplay or autostart

for embed tag like

  <embed src="http://www.xxxx.kyoto-u.ac.jp/2010/2/01/01.wav" autostart="false">

in a question of Samigo. 

According to https://jira.sakaiproject.org/browse/SAK-22124,

I think this can be done by

goodAttributes = abbr,accept,accesskey,align,alink,alt,....,align,scale,swliveconnect,autostart,autoplay

in config/localization/bundles/src/bundle/org/sakaiproject/localization/bundle/content_type/formattedtext.properties

But, these attributes for embed tag are deleted even after I have
built sakai-2.9.x-all from scratch and deplyed it onto a fresh tomcat.

I really appreciate if you give me any suggestions I have missed.

Best regards,
Shoji Kajita
Kyoto University