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Re: HTML 4.01: Erratum "N-1" is suspected in COL element description.

From: Steven Pemberton <steven.pemberton@cwi.nl>
Date: Sun, 19 Jul 2020 15:18:23 +0200
To: www-html-editor@w3.org, Me <cyril2@mail.ru>
Message-ID: <op.0nz68xtfsmjzpq@steven-xps13>
Because, when you say N, the attributes are shared with this column plus  
the next N-1. In total N.

Best wishes,

Steven Pemberton

On Sat, 18 Jul 2020 13:33:54 +0200, Me <cyril2@mail.ru> wrote:

> Dear Sirs,
>
> To be brief, the specification’s page  
> «http://www.w3.org/TR/1999/REC-html401-19991224/struct/tables.html#h-11.2.4.2  
> says:
>
> “If the span attribute is set to N > 1, the current COL element shares  
> its attributes with the next N-1 columns.”
>
> The question is, ‘Why it is set to «N-1» and not just to N columns?’ For  
> instance, on the same subject, an HTML 5.2 specification says at point  
> «10.1.3» («https://www.w3.org/TR/html52/tabular-data.html#table-model):
>
> “Columns: If the current column ‘col’ element has a span attribute, then  
> parse its value using the rules for parsing non-negative integers (MY  
> NOTE: The rules partly typed here, below).
>
> If the result of parsing the value is not an error or zero, then let  
> ‘span’ be that value”.
>
> FROM RULES FOR PARSING NON-NEGATIVE INTEGERS  
> («https://www.w3.org/TR/html52/infrastructure.html#parse-that-attributes-value):
>
> “
> 1. Let input be the string being parsed.
>
> 2. Let value be the result of parsing input using the rules for parsing  
> integers.
>
> 3. If value is an error, return an error.
>
> 4. If value is less than zero, return an error.
>
> 5. Return value.
> ”
>
> Regards.
Received on Sunday, 19 July 2020 13:18:38 UTC

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