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Changes between Version 1 and Version 2 of Ticket #29171, comment 4

v1	v2
1		I've tested trunk (with and without 28940.patch installed), and spans are always stripped out when switching from text to visual and back (with or without class, etc).
	1	I've tested trunk (with and without 28940.patch installed), and empty spans are always stripped out when switching from text to visual and back (with or without class, etc).
2	2
3	3	I've tried trunk with your attachment:29171.patch patch, and it did not make a difference, empty spans are still being stripped: https://cloudup.com/couAlDKgtGu