> Xidorn Quan <quanxunz...@gmail.com> 於 2015年12月17日 下午3:54 寫道： > > On Thu, Dec 17, 2015 at 5:30 PM, Timothy Chien <timdr...@gmail.com > <mailto:timdr...@gmail.com>> wrote: >> Hi, >> >> The Unicode® Standard Annex #11 have long defined a set of >> recommendations [1] on handling character width in East Asian context. >> >> [1] http://www.unicode.org/reports/tr11/#Recommendations >> >> I assume the recommendations are directed to handling the display of >> the data so it ought to be addressed in CSS. However, these remain >> unspecified in the CSS spec, and web authors have to workaround the >> problems (particularly, characters with ambiguous widths) by >> hard-coding OS font names or even shipping their own web font, to >> ensure width are displayed correctly in critical places, like ASCII >> art "images”. > > I don't really see anything which should be addressed but remains > unspecified in CSS in the section you mentioned. Could you point out > exactly which sentences do you think of?
May it relate to CSS Font Module level 3 East Asian font variant? https://drafts.csswg.org/css-fonts/#font-variant-east-asian-prop <https://drafts.csswg.org/css-fonts/#font-variant-east-asian-prop> > > For ASCII Art, I believe that you just need "monospace" generic font > family (optionally with "white-space: pre"). Not sure why authors have > to "workaround" it. > >> Character grid [2] was a related proposal being mentioned by Mr. >> Ishida in [3], but it was removed from the current CSS Text spec [4]. >> The current CSS Text spec does not specify any feature allow web >> authors to specify character width directly nor indirectly from, for >> example, HTML "lang" attribute. >> >> [2] http://www.w3.org/TR/2003/CR-css3-text-20030514/#document-grid >> <http://www.w3.org/TR/2003/CR-css3-text-20030514/#document-grid> >> [3] >> https://lists.w3.org/Archives/Public/public-i18n-cjk/2015OctDec/0017.html >> <https://lists.w3.org/Archives/Public/public-i18n-cjk/2015OctDec/0017.html> >> [4] http://www.w3.org/TR/css3-text/ <http://www.w3.org/TR/css3-text/> > > I believe character grid isn't about "to specify character width > directly or indirectly". It is about a special alignment rule when > narrow / proporational characters appear in wide / monospace document. > >> Quick web searching shows there wasn't any discussion took place, >> ever. People have pointed out offline to me that there isn't a lot of >> interest on this either (particularly because people are able to >> address the issue are not the user of East Asian languages I guess?) >> >> So here it is. Is there any previous discussion/conclusion I am not >> aware of? Thanks! > > For the character grid, there was actually some discussion happens in > TPAC2015. Florian proposed a simplified version of character grid > during CSSWG meeting there. Minutes can be found here [1] (see "Inline > Character Grid" section). > > [1] https://lists.w3.org/Archives/Public/www-style/2015Nov/0264.html > <https://lists.w3.org/Archives/Public/www-style/2015Nov/0264.html> > > - Xidorn
