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Re: [ddlm-group] Summary of proposed CIF syntax changes
- To: Group finalising DDLm and associated dictionaries <ddlm-group@iucr.org>
- Subject: Re: [ddlm-group] Summary of proposed CIF syntax changes
- From: Joe Krahn <krahn@niehs.nih.gov>
- Date: Fri, 04 Dec 2009 17:45:58 -0500
- In-Reply-To: <20091204093823.GA10999@emerald.iucr.org>
- References: <20091204093823.GA10999@emerald.iucr.org>
Semicolon and triple-quote strings do not emphasize that they cannot contain embedded close-quotes, as done for single quotes. In change 9, this sentence is hard to understand: "That does NOT require that whitespace is necessary between the beginning of one token and the beginning of the next token...". the main problem is that "token" is not defined. I the example "[[1 2 3] [4 5 6]]" does each inner list count as a token when parsing the outer list, and the initial '[' does not? Maybe describe it as: whitespace is required between all values within a list or table, but not between the values and the begin/end token. Was it decided that "[[1 2 3][4 5 6]]" is not allowed? It is not clear whether white space is allowed adjacent to the associative colon. Why does the associative index require quotes? Are there any restrictions on the string index such as maximum length, or whether it can contain multiple lines? Is matching case sensitive? Also, the "smart quotes" in the PDF should be fixed to be normal ASCII. Joe _______________________________________________ ddlm-group mailing list ddlm-group@iucr.org http://scripts.iucr.org/mailman/listinfo/ddlm-group
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