support upload of files and attachments into comments. This has some repercussions when it comes to post permissions since the commenter will not know the distribution of the post. Basically the files will be uploaded with the commenter's default ACL. Most of the time this will do the right thing.

Zotlabs/Lib/ThreadItem.php

@@ -735,6 +735,7 @@ class ThreadItem {
 			'$edquote' => t('Quote'),
 			'$edcode' => t('Code'),
 			'$edimg' => t('Image'),
+			'$edatt' => t('Attach File'),
 			'$edurl' => t('Insert Link'),
 			'$edvideo' => t('Video'),
 			'$preview' => t('Preview'), // ((feature_enabled($conv->get_profile_owner(),'preview')) ? t('Preview') : ''),