Quote:
	
	
		| 
					Originally Posted by Turtle91  Meaning Sigil isn't the one you need to design books for...you need to make sure that the readers/apps - like kindle, kobo, ibooks, etc. - support the tags you want to use. | 
	
 OK, so it looks like Sigil is working in sequence with readers/apps.
I should use in this case only tags which are supported by Sigil AND readers/apps.
Is it possible to find such list of tags? Where I can find which tags are supported by readers/apps?