Problems of ISO/IEC 26300 in handling Kihon-hanmen
Patrick Durusau
patrick at durusau.net
Wed Jun 23 15:57:20 CEST 2010
Makoto,
Are the quotes from CSS?
Thanks!
Hope you are having a great evening!
Patrick
On 6/23/2010 9:27 AM, MURATA Makoto (FAMILY Given) wrote:
> Folks,
>
> 15.2.21 Layout Grid is intended to provide "Asian layout grids". Unfortunately,
> it provides something different from Japanese requirements as described in
> "Requirements for Japanese Text Layout", W3C Working Group Note, 4 June 2009,
> available at http://www.w3.org/TR/jlreq/.
>
>
>> The exact
>> number of lines depends on the other grid layout properties described below. There is no
>> space between the layout grid lines.
>>
> No. The number of lines should come first. See (e) in 2.2.4.
> http://www.w3.org/TR/2009/NOTE-jlreq-20090604/#en-subheading1_1_4
>
>
>> There is no space between the layout grid lines.
>>
> No. See (f) in 2.2.4 http://www.w3.org/TR/2009/NOTE-jlreq-20090604/#en-subheading1_1_4
>
>
>> The layout grid itself is centered on the page
>>
> Just one way to do so. Not good enough.
> See (b) in 2.2.4 http://www.w3.org/TR/2009/NOTE-jlreq-20090604/#en-subheading1_4_1
>
>
>> both: Like lines, except that the lines are divided into square cells. The number of cells per
>> line depends on the line height, where the line height is the sum of the base height and the
>> ruby height as specified below.
>>
> Again, the line gap should come first. Ruby should fit in the gap. More about this, see note 1
> in (d), ”2.4.2 Considerations in Designing the Kihon-hanmen", available at
> http://www.w3.org/TR/jlreq/#en-subheading1_4_2
>
>
>> Within a layout cell, nor more than one Asian [UNICODE]
>> character is displayed. Asian characters that do not fit into a single cell are displayed centered
>> into as many cells as required. Non Asian text is centered within as many cells as required.
>>
> This is a very common misunderstanding. A note in the Japanese version of the W3C "Requirements
> for Japanese Text Layout" is quite clear about this point. It clearly says that "After you determine
> the kihon-hanmen parameters, it is not at all necessary to consider the grid while positioning characters."
> It even says that the slit model is better than the grid model in understanding Japanese typography.
> Unfortunately, the English version does not have this note.
>
> Cheers,
> Makoto
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>
>
--
Patrick Durusau
patrick at durusau.net
Chair, V1 - US TAG to JTC 1/SC 34
Convener, JTC 1/SC 34/WG 3 (Topic Maps)
Editor, OpenDocument Format TC (OASIS), Project Editor ISO/IEC 26300
Co-Editor, ISO/IEC 13250-1, 13250-5 (Topic Maps)
Another Word For It (blog): http://tm.durusau.net
Homepage: http://www.durusau.net
Twitter: patrickDurusau
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