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Re: [ddlm-group] Space as a list item separator
- To: Group finalising DDLm and associated dictionaries <ddlm-group@iucr.org>
- Subject: Re: [ddlm-group] Space as a list item separator
- From: "Herbert J. Bernstein" <yaya@bernstein-plus-sons.com>
- Date: Wed, 2 Dec 2009 18:08:13 -0500 (EST)
- In-Reply-To: <279aad2a0912021453p4f1bd2f1g9c7cb5d9f742aea1@mail.gmail.com>
- References: <C7398588.126B6%nick@csse.uwa.edu.au><84104.25546.qm@web87002.mail.ird.yahoo.com><alpine.BSF.2.00.0911300822020.56763@epsilon.pair.com><alpine.BSF.2.00.0911300835021.56763@epsilon.pair.com><279aad2a0911301433se2d145fi9ac2df69cd047583@mail.gmail.com><279aad2a0911302230v15316aadk9d27c252ce04bfc6@mail.gmail.com><279aad2a0911302252m58914467k7931449848c6c6e6@mail.gmail.com><4B154B02.6010703@mcmaster.ca><279aad2a0912011451w5286bc0elcfe303447e02ef17@mail.gmail.com><alpine.BSF.2.00.0912011815020.52591@epsilon.pair.com><279aad2a0912021453p4f1bd2f1g9c7cb5d9f742aea1@mail.gmail.com>
Dear James, I am keeping a dizzying collection of versions and building in so many options, I'll have to register as a securities dealer. Regards, Herbert ===================================================== Herbert J. Bernstein, Professor of Computer Science Dowling College, Kramer Science Center, KSC 121 Idle Hour Blvd, Oakdale, NY, 11769 +1-631-244-3035 yaya@dowling.edu ===================================================== On Thu, 3 Dec 2009, James Hester wrote: > Herbert writes: > > "I thought you had your vote and had decided not to support commas in > lists, but if it is still being discussed ..." > > I have been holding off on a final declaration, given that the vote wasn't > that definitive and John hasn't yet contributed. But, unless Brian and John > both move to the commas + spaces option, the choice of this group is that > spaces only can be used as a list item separator. That will be the syntax > that we will move forward with. > > Herbert: keep your current software versions around somewhere, because until > COMCIFS formally puts the big tick in the box, the standard is not set in > stone. > > On Wed, Dec 2, 2009 at 10:24 AM, Herbert J. Bernstein > <yaya@bernstein-plus-sons.com> wrote: > I am very sorry to hear that. In my shop, dealing with this one > change will involve 1-3 person-months of recoding to make commas > optional and > to introduce warning messages when they are encountered and in > redoing dictionaries and test cases. What a pointless waste. I > hope this > group will complete its work in the near future, so we can have > some > chance of having something stable to work against. > > ===================================================== > Herbert J. Bernstein, Professor of Computer Science > Dowling College, Kramer Science Center, KSC 121 > Idle Hour Blvd, Oakdale, NY, 11769 > > +1-631-244-3035 > yaya@dowling.edu > ===================================================== > > On Wed, 2 Dec 2009, James Hester wrote: > > Counting up the votes so far on the list delimiter > question I get: > > Space and comma: David, Herbert > Space only: Simon, Nick, James, Joe (?) > Agnostic: Brian > Unknown: John > > It looks like the spaces have it, although I have perhaps > over-interpreted > Joe's reply. > > On Wed, Dec 2, 2009 at 3:57 AM, David Brown > <idbrown@mcmaster.ca> wrote: > MY VOTE IS FOR 1 (SPACE AND COMMA) because commas are > better > visually. Not a strong argument and I would not give > my vote a > large weighting. I can live with 2 as well. > > David > > James Hester wrote: > Dear CIF2 people: the time has come to vote on the list > item > separator issue. Firstly: as far as I know, nobody is > against > space as a separator, so spaces will be possible list item > separators. Some may be against commas, so this vote is > on > whether or not to allow commas. > > To summarise the arguments: > > 1. In favour of both space and comma > - comma is used in some other non-CIF contexts as a > list > delimiter > > 2. Against comma: > - A single type of separator makes the grammar simpler > - Space is used everywhere else in CIF as a separator > (consistency) > - Comma can then be used in non-delimited strings > > Space only: Nick, James (Nick is here) > Comma and Space: ? > > On Tue, Dec 1, 2009 at 5:30 PM, James Hester > <jamesrhester@gmail.com> wrote: > More specifically, CIF1.1 excludes square brackets > as the first character in a non-delimited string. > > On Tue, Dec 1, 2009 at 9:33 AM, James Hester > <jamesrhester@gmail.com> wrote: > Dear Herbert: as CIF 1.1 doesn't define > lists, I'm not sure why you suggest that > the example below is a valid tag. > > On Tue, Dec 1, 2009 at 12:36 AM, Herbert > J. Bernstein > <yaya@bernstein-plus-sons.com> wrote: > Sorry something got lost in > the prior message. It > should have > read: > > Dear Colleagues, > > Back to the > question of > commas. If you > accept the > desirability of > having a CIF > 1.5, commas in > lists become > very useful. > Someone with > a CIF 1.1 editor > will be able to > prepare a CIF > 1.5 file for > many > useful cases by > doing all lists > with commas and > no embedded > blanks > as long as they > can make their > lists fit on > single lines. > In CIF 1.1 > > [[1,2,3],[4,5,6],[7,8,9]] > > is a valid value > for a tag, but > > [[1 2 3] [4 5 6] > [7 8 9]] > > is not. > > > No, neither example is a valid CIF 1.1 tag. CIF 1.1 > explicitly excludes brackets as the first character > of a non-delimited string. > > > Having the option of commas > in lists will help to smooth > the > transition for at least some > people. > > > > -- > T +61 (02) 9717 9907 > F +61 (02) 9717 3145 > M +61 (04) 0249 4148 > > > > > -- > T +61 (02) 9717 9907 > F +61 (02) 9717 3145 > M +61 (04) 0249 4148 > > > > > -- > T +61 (02) 9717 9907 > F +61 (02) 9717 3145 > M +61 (04) 0249 4148 > > > ____________________________________________________________________ > > _______________________________________________ > ddlm-group mailing list > ddlm-group@iucr.org > http://scripts.iucr.org/mailman/listinfo/ddlm-group > > > > > _______________________________________________ > ddlm-group mailing list > ddlm-group@iucr.org > http://scripts.iucr.org/mailman/listinfo/ddlm-group > > > > > -- > T +61 (02) 9717 9907 > F +61 (02) 9717 3145 > M +61 (04) 0249 4148 > > > _______________________________________________ > ddlm-group mailing list > ddlm-group@iucr.org > http://scripts.iucr.org/mailman/listinfo/ddlm-group > > > > > -- > T +61 (02) 9717 9907 > F +61 (02) 9717 3145 > M +61 (04) 0249 4148 > >
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- References:
- Re: [ddlm-group] Space as a list item separator (Nick Spadaccini)
- Re: [ddlm-group] Space as a list item separator (SIMON WESTRIP)
- Re: [ddlm-group] Space as a list item separator (Herbert J. Bernstein)
- Re: [ddlm-group] Space as a list item separator (Herbert J. Bernstein)
- Re: [ddlm-group] Space as a list item separator (James Hester)
- Re: [ddlm-group] Space as a list item separator (James Hester)
- Re: [ddlm-group] Space as a list item separator (James Hester)
- Re: [ddlm-group] Space as a list item separator (David Brown)
- Re: [ddlm-group] Space as a list item separator (James Hester)
- Re: [ddlm-group] Space as a list item separator (Herbert J. Bernstein)
- Re: [ddlm-group] Space as a list item separator (James Hester)
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