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Re: [ddlm-group] Space as a list item separator>

I believe that both your examples would be acceptable if both space and comma are acceptable as list item delimiters.

On Tue, Dec 1, 2009 at 11:27 PM, John Westbrook <jwest@pdb-mail.rutgers.edu> wrote:
Could I ask for a clarification of the interpretation of a mixed case
such as:

[1, 2, 3  4 ]   or  [1,2,3 4]

If quote and space are permitted are the above going to satisfy the
syntax requiremens?

John


Herbert J. Bernstein wrote:
> First amending the arguments
>
> 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
>    - comma allows a large subset of lists and arrays to be carried
> opaquely in CIF 1 and CIF 1.1 documents.
>
> 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
>
> Then
>
> I vote for comma and space -- 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 Tue, 1 Dec 2009, 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
>>
>>
>
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