1 How do I upgrade my existing LyX system to version 1.1.6?
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4 If you upgrade from version 1.1.6, you shouldn't have
10 In general, you don't need to convert any documents saved with LyX
11 v1.1.6 to use them with LyX v1.2.0.
13 LyX v1.2.0 can read all documents saved with lyx-1.1.6 correctly.
15 Note that as a consequence to all the changes is that older LyX
16 versions will almost certainly fail to read files produced by LyX