On Wed, 2011-03-23 at 00:02 +0100, Julien Cristau wrote: > On Tue, Mar 22, 2011 at 17:27:22 -0400, Gaetan Nadon wrote: > > > The macros have to be backward compatible. In 3 years from now, no one > > will have > > 4.3 installed, so we will need to move up to 4.8. Building older > > versions of tarballs > > with older versions of docbook will not be possible. > > > Really? I'd expect the old DTDs to stay around pretty much forever. > The point of versioning these things is you can keep the old ones around > to not break existing documents, and introduce changes in new versions. > If you went around deleting old DTD versions you'd break old documents > for no reason. >
I recall a number of patches to settle on 4.3. A developer had 4.1 and 4.3 installed but not 4.2, which was the requested version of the xsl in the doc. So it did not work. I don't recall the exact numbers. The net of it is there is no way to be sure of what gets shipped. Also, unless I misunderstood the docbook web site, v5 is not compatible with v4, a migration is required. > Cheers, > Julien
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