On Sun, Nov 29, 2015 at 08:35:32PM -0500, Richard Heck wrote:
> On 11/29/2015 06:29 PM, Uwe Stöhr wrote:
> > Am 29.11.2015 um 22:13 schrieb Richard Heck:
> >
> >> There is no reversion in layout2layout, so this is not possible. That's
> >> why I suggested issuing a warning.
> >
> > That is bad. You see that my argumentation against backward
> > compatibility is sadly true - it costs us much manpower.
> >
> > In fact we need to keep the LocalLayout at version 7 (as it was)
> > because if we promise backwards compatibility then the user is free to
> > export e.g. to LyX 1.5.x, right?
> 
> No, I don't see it that way. The question isn't whether it's OK to use
> local layout of higher versions. The question is whether we should
> *routinely* update the format for a new release. If there was some
> reason to do so---for example, you want to make use of some feature only
> available with later formats---then that'd be differfent.

Seems like a good policy. We should have this (and the reasoning) in
Development.lyx.

Scott

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