Re: [calsify] Proposed Errata №5449 for RFC 7986: COLOR property with arbitrary RGB values
Дилян Палаузов <dilyan.palauzov@aegee.org> Sat, 19 January 2019 13:28 UTC
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From: Дилян Палаузов <dilyan.palauzov@aegee.org>
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Date: Sat, 19 Jan 2019 13:28:22 +0000
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Subject: Re: [calsify] Proposed Errata №5449 for RFC 7986: COLOR property with arbitrary RGB values
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Hello, do I get weird by sending reminders for erratum 5449? Regards Дилян On Wed, 2018-10-10 at 09:16 +0000, Дилян Палаузов wrote: > Hello, > > what shall happen, so that https://www.rfc-editor.org/errata/eid5449 > makes progress? > > Regards > Дилян > > On Thu, 2018-06-28 at 22:04 +0000, Дилян Палаузов wrote: > > Hello, > > > > I would like to suggest the following Errata and welcome any comments > > within a month. > > > > My reading is that COLOR now cannot have the value RGB(61,211,68) > > > > Please correct me, if I am wrong. > > > > RFC 7986 (new Properties for iCalendar) Section 5.9. COLOR Property > > says: > > https://tools.ietf.org/html/rfc7986#section-5.9 > > > > Type: Technical > > Section: 5.9 COLOR Property > > > > Origianl text: > > > > Description: ...The value is a case-insensitive color name taken from > > the CSS3 set of names, defined in Section 4.3 of [W3C.REC-css3-color- > > 20110607]. > > > > Example: The following is an example of this property: > > COLOR:turquoise > > > > Corrected text: > > > > Description: ...The value is either a case-insensitive color name > > taken from the CSS3 set of names, defined in Section 4.3 of [W3C.REC- > > css3-color-20110607], or an RGB() functional notation with absolute > > values specified in Section 4.2.1 of the same document > > > > Examples: The following are examples of this property: > > COLOR:turquoise > > COLOR:rgb(61\,211\,68) > > > > Notes for the errata: > > > > draft-daboo-icalendar-extensions-07 removed the possibily to have RGB > > colours for COLOR. > > > > CSS3 included color names, that browsers at that time suppored, > > originating from X11's rgb.txt. The color names and values were > > randomly chosen. The minimal distance between the colors isn't > > consistent. One motivation for creating a color name were hardware > > capabilities - an argument which isn't valid for 20 years now. There > > is no reason to limit the number of possible values for COLOR. A user > > interface for choosing a named color has either to offer the user the > > possibility to choose from a pre-filled list of colors, which could > > clutter the interface, or let the user choose any RGB color and narrow > > it later to the closest color with CSS3 name. This narrowing isn't > > trivial and performing it seems like having an RFC running in itself. > > > > Notes for this message, outside the errata: > > > > Gnome Evolution recently added support for the COLOR property and > > uploaded iCalendar files by it now have: > > COLOR:rgb(61\,211\,68) > > > > https://www.w3.org/TR/2011/REC-css3-color-20110607/ lets also other > > forms: > > #f00 > > #ff0000 > > rgb(100%, 0%, 0%) > > > > I have no propbem to let or exclude any of the forms above. The main > > challenge is neither to have the user chose from a final list of > > colours, nor to let her choose any colour but narrow the selected > > colour afterwards to something. Letting more than one form of the > > mentioned above would be overengineering for the mentined challanage. > > > > https://github.com/w3c/csswg-drafts/issues/2813 states the colours are > > chosen randomly, and http://christopher.org/history-web-color-names/ > > proves this thesis. > > > > Randomly choosen colour values (having names coming from rgb.txt) are > > not suitable to achieve any aim. > > > > I haven't worked with colour terms until today, so feel free to > > rephrase the rgb-functional sentence. > > > > Regards > > Дилян > > > > _______________________________________________ > > calsify mailing list > > calsify@ietf.org > > https://www.ietf.org/mailman/listinfo/calsify > > _______________________________________________ > calsify mailing list > calsify@ietf.org > https://www.ietf.org/mailman/listinfo/calsify
- [calsify] Proposed Errata for RFC 7986: COLOR pro… Дилян Палаузов
- Re: [calsify] Proposed Errata for RFC 7986: COLOR… Neil Jenkins
- Re: [calsify] Proposed Errata for RFC 7986: COLOR… Andrew Laurence
- Re: [calsify] Proposed Errata for RFC 7986: COLOR… Дилян Палаузов
- [calsify] Proposed Errata №5449 for RFC 7986: COL… Дилян Палаузов
- Re: [calsify] Proposed Errata №5449 for RFC 7986:… Дилян Палаузов