On 01/08/2018 05:21 AM, Karel Zak wrote:
> On Tue, Jan 02, 2018 at 09:53:18AM -0500, J William Piggott wrote:
>
> I have no clue how many users care and read our ReleaseNotes, but
> important is that they have opportunity to do that and they have
> always time to adopt to changes. This is how I promised that this
> project will be maintained.
Your response here puzzled me, because I could not remember you ever
making a pre-announcement of this nature before. For example when
hwclock's default output format was changed in v2.28 it didn't even make
the release highlights, let alone require a pre-change announcement. I
did a quick grep and could not find a single instance of an advance
notification for this type of change.
> Thanks. I'll work on cal(1) in next days and use us much as possible
> from your patches.
I originally started a branch implemented for an advance notification; I
backported some of my later fixes from the v3 submission to it. The
resulting branch may be more to your liking:
git@xxxxxxxxxx:jwpi/util-linux.git 171225
The current v3 submission's branch is:
git@xxxxxxxxxx:jwpi/util-linux.git 171229
Both branches have an updated commit message for renaming --julian to
--ordinal, expanding on the rational for it:
cal(1) is unique in that it uses both Julian and Gregorian calendar
systems. This causes a name collision with the --julian ordinal day
option.
Other commonly distributed code for POSIX-like systems do not share this
problem because they all use the proleptic Gregorian calendar system
exclusively; so they can get away with calling ordinal days 'julian' and
using things like %j for formatting ordinal days.
For cal(1) this ambiguity is problematic for developers, users,
and for the implementation itself.
There are no alternate names for the Julian calendar (system);
alternates names for (ordinal) Julian calendar are: day-of-year,
and ordinal. Ordinal being the preferred name:
https://en.wikipedia.org/wiki/Julian_day#Terminology
https://en.wikipedia.org/wiki/Ordinal_date
To implement an exclusive Julian Calendar output for cal(1) it will need
to use the name Julian, because there are no alternatives. Even for a
mixed calendar output the dates earlier than the reform epoch need to be
labeled and referred to as 'Julian'.
Therefore, the current --julian option needs to be renamed to --ordinal.
While working on cal I discovered more things that are broken. I wanted
to include the fixes in this patch set, but I thought it would be too
much for this round. What I envision as the output to address these new
issues will also need to use the term Julian to represent the calendar
system.
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