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Re: [ddlm-group] Role of separators in CIF

To: Group finalising DDLm and associated dictionaries <ddlm-group@iucr.org>
Subject: Re: [ddlm-group] Role of separators in CIF
From: David Brown <idbrown@mcmaster.ca>
Date: Tue, 01 Dec 2009 11:53:09 -0500
In-Reply-To: <279aad2a0911302156m7645df42r171e4b2291c99abc@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> <753987.29972.qm@web87006.mail.ird.yahoo.com><279aad2a0911302156m7645df42r171e4b2291c99abc@mail.gmail.com>

Title:

MY VOTE IN FAVOUR (assuming that it does not create unsurmountable problems elsewhere). David James Hester wrote: *NOTE REQUEST FOR VOTE BELOW* Simon: From reading your previous emails, I'm guessing that the source of your concern is that the possible characterset of non-delimited strings appears more restrictive than is strictly necessary. In particular, you're not sure why we have excluded quote and double quote from non-delimited strings. You are correct that the other CIF2 syntax does not require that quote or double quote are excluded from non-delimited strings (apart from the first character, of course). The exclusion of the quote/double quote was on general principle of keeping all characters that serve as delimiters out of non-delimited strings, even if those characters could never cause confusion. It also has the benefit of allowing some syntax errors to be picked up. Nick is with me in Sydney, and we have decided that this is the sort of issue that we just have to vote on, as the arguments either way are not conclusive. I would therefore call everybody to vote on the following proposition: "That <quote> and <double quote> may appear in non-delimited strings, as long as they are not the first character" Voting so far: Against: Nick For: James Agnostic: ? -- 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

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n:Brown;I.David
org:McMaster University;Brockhouse Institute for Materials Research
adr:;;King St. W;Hamilton;Ontario;L8S 4M1;Canada
email;internet:idbrown@mcmaster.ca
title:Professor Emeritus
tel;work:+905 525 9140 x 24710
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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 (SIMON WESTRIP)

[ddlm-group] Role of separators in CIF (SIMON WESTRIP)

Re: [ddlm-group] Role of separators in CIF (James Hester)

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