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| From | Ben Bacarisse <ben.usenet@bsb.me.uk> |
|---|---|
| Newsgroups | comp.lang.c |
| Subject | Re: A finalized program |
| Date | 2015-09-09 00:28 +0100 |
| Organization | A noiseless patient Spider |
| Message-ID | <87r3m8mqy4.fsf@bsb.me.uk> (permalink) |
| References | (1 earlier) <0b40a48e-3d88-46dd-adf2-275a33a87f65@googlegroups.com> <87r3m9nhwp.fsf@bsb.me.uk> <4371016b-309f-4f89-9b94-91088121f113@googlegroups.com> <874mj4of4e.fsf@bsb.me.uk> <58f9484c-29fd-4f88-991b-2539f56fe9ca@googlegroups.com> |
Malcolm McLean <malcolm.mclean5@btinternet.com> writes: > On Tuesday, September 8, 2015 at 9:00:56 PM UTC+1, Ben Bacarisse wrote: >> Malcolm McLean <malcolm.mclean5@btinternet.com> writes: >> >> > Or if the head isn't on the track >> > (shouldn't happen, but maybe if the system is extended, you'll have >> > "detached heads" as in git). >> >> I don't follow this. >> > As you undo and redo you create a branching tree of versions. But > there's a concept of the "active tip", which is what the track is > about - it's a list of versions from the root to the active tip. > The "head" is the insertion point, which is usually at the active > tip, unless the user has just executed an "undo". Then it's a step > back. > It follows that the head must always be on the "track", unless there > is no data in the system at all. But that might not always hold, > at some future date we may extend the system in a way that allows > for heads that aren't on the current track. The bit I don't follow is what effect that has on what I said before. -- Ben.
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A finalized program Alla _ <modelling.data@gmail.com> - 2015-09-08 04:13 -0700
Re: A finalized program Alla _ <modelling.data@gmail.com> - 2015-09-08 04:19 -0700
Re: A finalized program fir <profesor.fir@gmail.com> - 2015-09-08 04:30 -0700
Re: A finalized program Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-09-08 14:45 +0100
Re: A finalized program Malcolm McLean <malcolm.mclean5@btinternet.com> - 2015-09-08 08:29 -0700
Re: A finalized program Malcolm McLean <malcolm.mclean5@btinternet.com> - 2015-09-08 08:52 -0700
Re: A finalized program Martin Shobe <martin.shobe@yahoo.com> - 2015-09-08 13:01 -0500
Re: A finalized program Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-09-08 21:00 +0100
Re: A finalized program Malcolm McLean <malcolm.mclean5@btinternet.com> - 2015-09-08 13:33 -0700
Re: A finalized program Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-09-09 00:28 +0100
Re: A finalized program Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-09-08 14:26 +0100
Re: A finalized program Alla _ <modelling.data@gmail.com> - 2015-09-08 06:42 -0700
Re: A finalized program Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-09-08 20:50 +0100
Re: A finalized program Alla _ <modelling.data@gmail.com> - 2015-09-11 01:47 -0700
Re: A finalized program jt@toerring.de (Jens Thoms Toerring) - 2015-09-08 13:41 +0000
Re: A finalized program Alla _ <modelling.data@gmail.com> - 2015-09-10 01:31 -0700
Re: A finalized program jt@toerring.de (Jens Thoms Toerring) - 2015-09-10 10:39 +0000
Re: A finalized program David Thompson <dave.thompson2@verizon.net> - 2015-09-20 18:35 -0400
Re: A finalized program Alla _ <modelling.data@gmail.com> - 2015-09-10 01:33 -0700
Re: A finalized program Alla _ <modelling.data@gmail.com> - 2015-09-10 10:16 -0700
Re: A finalized program bartekltg <bartekltg@gmail.com> - 2015-09-10 20:08 +0200
Re: A finalized program Alla _ <modelling.data@gmail.com> - 2015-09-11 02:05 -0700
Re: A finalized program Richard Heathfield <rjh@cpax.org.uk> - 2015-09-11 10:17 +0100
Re: A finalized program Richard Heathfield <rjh@cpax.org.uk> - 2015-09-11 10:19 +0100
Re: A finalized program Alla _ <modelling.data@gmail.com> - 2015-09-11 02:28 -0700
Re: A finalized program Alla _ <modelling.data@gmail.com> - 2015-09-11 02:29 -0700
Re: A finalized program Alla _ <modelling.data@gmail.com> - 2015-09-11 02:19 -0700
Re: A finalized program Richard Heathfield <rjh@cpax.org.uk> - 2015-09-11 10:23 +0100
Re: A finalized program Alla _ <modelling.data@gmail.com> - 2015-09-11 02:33 -0700
Re: A finalized program Keith Thompson <kst-u@mib.org> - 2015-09-11 14:11 -0700
Re: A finalized program jt@toerring.de (Jens Thoms Toerring) - 2015-09-11 21:39 +0000
Re: A finalized program bartekltg <bartekltg@gmail.com> - 2015-09-11 12:49 +0200
Re: A finalized program Richard Heathfield <rjh@cpax.org.uk> - 2015-09-10 23:31 +0100
Re: A finalized program Alla _ <modelling.data@gmail.com> - 2015-09-11 02:15 -0700
Re: A finalized program jt@toerring.de (Jens Thoms Toerring) - 2015-09-10 22:37 +0000
Re: A finalized program Richard Heathfield <rjh@cpax.org.uk> - 2015-09-10 23:47 +0100
Re: A finalized program jt@toerring.de (Jens Thoms Toerring) - 2015-09-11 10:18 +0000
Re: A finalized program Alla _ <modelling.data@gmail.com> - 2015-09-11 01:07 -0700
Re: A finalized program Alla _ <modelling.data@gmail.com> - 2015-09-11 02:14 -0700
Re: A finalized program jt@toerring.de (Jens Thoms Toerring) - 2015-09-11 10:10 +0000
Re: A finalized program Alla _ <modelling.data@gmail.com> - 2015-09-11 04:19 -0700
Re: A finalized program Barry Schwarz <schwarzb@dqel.com> - 2015-09-08 15:53 -0700
Re: A finalized program Alla _ <modelling.data@gmail.com> - 2015-09-11 04:27 -0700
Re: A finalized program bartekltg <bartekltg@gmail.com> - 2015-09-11 14:05 +0200
Re: A finalized program Alla _ <modelling.data@gmail.com> - 2015-09-11 04:42 -0700
Re: A finalized program bartekltg <bartekltg@gmail.com> - 2015-09-11 14:15 +0200
Re: A finalized program Alla _ <modelling.data@gmail.com> - 2015-09-11 05:50 -0700
Re: A finalized program bartekltg <bartekltg@gmail.com> - 2015-09-11 15:00 +0200
Re: A finalized program Alla _ <modelling.data@gmail.com> - 2015-09-11 05:50 -0700
Re: A finalized program Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-09-11 13:46 +0100
Re: A finalized program Richard Heathfield <rjh@cpax.org.uk> - 2015-09-11 14:19 +0100
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