Re: missing characters: combining marks above runs of more than 2 base letters

2011-11-18 Thread Philippe Verdy
2011/11/19 Ken Whistler : > On 11/18/2011 5:24 PM, Philippe Verdy wrote: >> >> This arc in the example is definitely NOT mathematics > > Nor did I say it was. > >> (even if you >> have read a version where it was attempted to represent it using a >> Math TeX notation in this page, an obvious error

Re: missing characters: combining marks above runs of more than 2 base letters

2011-11-18 Thread Ken Whistler
On 11/18/2011 5:36 PM, Philippe Verdy wrote: I have absolutely no clear way to represent sequences like in this example that use such elongated diacritic applied to runs of more than two characters. Nor should you expect to be able to represent such things in plain text. Such conventions are n

Re: missing characters: combining marks above runs of more than 2 base letters

2011-11-18 Thread Ken Whistler
On 11/18/2011 5:24 PM, Philippe Verdy wrote: This arc in the example is definitely NOT mathematics Nor did I say it was. (even if you have read a version where it was attempted to represent it using a Math TeX notation in this page, an obvious error because it used an angular \widehat and not

Re: missing characters: combining marks above runs of more than 2 base letters

2011-11-18 Thread Philippe Verdy
This example is also NOT a titlo. What I am looking for here, is the possibility of using a conjoining middle mark for connecting the two half marks of the inverted breve (in fact top create a long arc). But I cannot use the middle conjoining U+FE26 on the middle letter(s) with the U+FE20 and U+FE

Re: missing characters: combining marks above runs of more than 2 base letters

2011-11-18 Thread Philippe Verdy
2011/11/18 Ken Whistler : > On 11/17/2011 11:28 PM, Philippe Verdy wrote: >> >> Could the Unicode text specify that a left half mark, when it is >> followed by a right half-mark on the same line, has to be joined ? And >> which character can we select in a font to mark the intermediate >> character

Re: more flexible pipeline for new scripts and characters

2011-11-18 Thread Asmus Freytag
On 11/18/2011 3:06 PM, Ken Whistler wrote: On 11/18/2011 1:30 PM, Karl Williamson wrote: How is this different from Named sequences, which are published provisionally? Named sequences aren't character properties. The provide information about characters in context - in that sense they are s

Re: more flexible pipeline for new scripts and characters

2011-11-18 Thread Asmus Freytag
On 11/18/2011 1:30 PM, Karl Williamson wrote: On 11/16/2011 07:25 AM, Asmus Freytag wrote: The whole reason that some aspects of character encoding are "write once" (can never be changed) is to prevent such obsolete data in documents. How is this different from Named sequences, which ar

Re: more flexible pipeline for new scripts and characters

2011-11-18 Thread Ken Whistler
On 11/18/2011 1:30 PM, Karl Williamson wrote: How is this different from Named sequences, which are published provisionally? Named sequences aren't character properties. When a newly encoded character is published in the standard, its code point, its name, and dozens of other properties all ha

Re: more flexible pipeline for new scripts and characters

2011-11-18 Thread Karl Williamson
On 11/16/2011 07:25 AM, Asmus Freytag wrote: Peter, in principle, the idea of a provisional status is a useful concept whenever one wants to "publish" something based on potentially doubtful or possibly incomplete information. And you are correct, that, in principle, such an approach could be mo

RE: missing characters: combining marks above runs of more than 2 base letters

2011-11-18 Thread Doug Ewell
imaginablePeter Cyrus wrote: > I think we'll all need for a long time more to write text that displays > adequately as plain text in the absence of even OpenType advancexd typography > features. s/OpenType/rich-text/ or maybe s/OpenType/fancy-text/ "Rich text" is not defined by what has bee

Re: missing characters: combining marks above runs of more than 2 base letters

2011-11-18 Thread Peter Cyrus
I mention it because I think plain text could at least indicate what _should_ display (instead of what *does* display), and a rich environment could make the same text look great. I think we'll all need for a long time more to write text that displays adequately as plain text in the absence of eve

Re: missing characters: combining marks above runs of more than 2 base letters

2011-11-18 Thread Ken Whistler
On 11/18/2011 11:21 AM, Peter Cyrus wrote: Ken, you mention "defined markup constructions", but nothing would prevent specialized rendering software from, for example, connecting a left half mark with the corresponding right half mark via titlo, even though the text is still only plain text wit

Re: missing characters: combining marks above runs of more than 2 base letters

2011-11-18 Thread Peter Cyrus
Ken, you mention "defined markup constructions", but nothing would prevent specialized rendering software from, for example, connecting a left half mark with the corresponding right half mark via titlo, even though the text is still only plain text with no markup, right? The titlo would simply not

Re: missing characters: combining marks above runs of more than 2 base letters

2011-11-18 Thread Ken Whistler
On 11/17/2011 11:28 PM, Philippe Verdy wrote: Could the Unicode text specify that a left half mark, when it is followed by a right half-mark on the same line, has to be joined ? And which character can we select in a font to mark the intermediate characters between them ? No. This kind of stuf