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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: Tue, 1 Dec 2009 18:24:49 -0500 (EST)
- In-Reply-To: <279aad2a0912011451w5286bc0elcfe303447e02ef17@mail.gmail.com>
- References: <C7398588.126B6%nick@csse.uwa.edu.au><275884.79342.qm@web87006.mail.ird.yahoo.com><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>
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 > >
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