On 20-Oct-09, at 9:59 AM, Robert Bradshaw wrote:
> > On Oct 20, 2009, at 5:38 AM, Pablo Angulo wrote: > >> The new sage version 4.1.2 introduces a new file format that is >> incompatible with the previous one. If I use "download fo a file", >> that >> file can't be opened with sage 4.1.1 (viceversa works fine). Is there >> any way to convert from the new to the old format? >> >> I expect a wave of problems as students install the new versions >> downloaded from the web and try to use the files they modified at >> home >> in our labs. We are unable at this point of upgrading all our >> installations and, anyway, this would leave behind all the students >> with >> an earlier version. > > We make an effort to maintain backwards compatibility across versions > of Sage, but this last update was a fairly large change (for the > better) in the notebook. I am not passionate about this issue, but: why was such a large made from 4.1.1 -> 4.1.2? Not even a "point" upgrade (4.1 -> 4.2), but a "double point" upgrade destroys backwards compatibility? I question this decision. Nick --~--~---------~--~----~------------~-------~--~----~ To post to this group, send an email to sage-devel@googlegroups.com To unsubscribe from this group, send an email to sage-devel-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-devel URL: http://www.sagemath.org -~----------~----~----~----~------~----~------~--~---
