Display summary of attachments in description, and mark up content
warning if present, e.g.:
    Attached: 3 images · Content warning: Dota 2
When text is not supposed to be hidden, it looks more like:
    Attached: 3 images
    Here is the text of the toot
With #6817, multilinguagility should be assured...
		
	
			
		
			
				
	
	
		
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| = opengraph 'og:description', status_description(activity)
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