From: Robert Burns <rob@robburns.com>

Date: Tue, 31 Jul 2007 16:18:37 -0500

Message-Id: <4BE49351-CE07-4029-A395-87D63BA2CC91@robburns.com>

Cc: Thomas Broyer <t.broyer@gmail.com>

To: HTML WG <public-html@w3.org>

Date: Tue, 31 Jul 2007 16:18:37 -0500

Message-Id: <4BE49351-CE07-4029-A395-87D63BA2CC91@robburns.com>

Cc: Thomas Broyer <t.broyer@gmail.com>

To: HTML WG <public-html@w3.org>

Regarding the need for the draft to express norms in an author- centric manner: On Jul 31, 2007, at 5:52 AM, Thomas Broyer wrote: > > 2007/7/31, Robert Burns: >> I thought I did. The unsigned integer, the signed integer, real >> number, ratio METER, PROGRESS, TIME all have lengthy algorithms that >> imply author conformance criteria without explicitly delineating the >> author conformance criteria. There may be other places, but those are >> the ones I've studied the most. > > I disagree wrt numbers: > > 3.2.3.1. Unsigned integers > A string is a valid non-negative integer if it consists of one of more > characters in the range U+0030 DIGIT ZERO (0) to U+0039 DIGIT NINE > (9). > > 3.2.3.2. Signed integers > A string is a valid integer if it consists of one of more characters > in the range U+0030 DIGIT ZERO (0) to U+0039 DIGIT NINE (9), > optionally prefixed with a U+002D HYPHEN-MINUS ("-") character. > > 3.2.3.3. Real numbers > A string is a valid floating point number if it consists of one of > more characters in the range U+0030 DIGIT ZERO (0) to U+0039 DIGIT > NINE (9), optionally with a single U+002E FULL STOP (".") character > somewhere (either before these numbers, in between two numbers, or > after the numbers), all optionally prefixed with a U+002D HYPHEN-MINUS > ("-") character. > > > I must admit that ratios and "Vaguer moments in time" (aka "date or > time", though not "Specific moments in time" which even comes with > examples) suffer from the lack of such definitions. > > However, METER, PROGRESS and TIME elements come with some examples > (too few, and they might be improved explaining how they would be > interpreted (particularly true for the first METER examples)). I agree completely with your assessment. I was working from memory. I think signed integers, real numbers and unsigned integers are good. Ratios, METER, PROGRESS and TIME could all use work.Received on Tuesday, 31 July 2007 21:18:58 UTC

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