Re: vertical direction control

2004-03-25 Thread Andrew C. West
On Thu, 25 Mar 2004 03:36:29 -0800, Peter Kirk wrote: > > What about a cell phone or PDA for use in China. Some users may prefer > vertical display of text, but then the system needs to know what to do > with Latin etc text embedded in the Chinese. Isn't that a credible > scenario? Or are the C

Re: vertical direction control

2004-03-25 Thread Peter Kirk
On 24/03/2004 17:40, Doug Ewell wrote: Peter Kirk wrote: And surely Braille could equally be considered a cipher of Latin script (although the same symbols are also used as a cipher of other scripts). ... which is one reason it can't be considered just a cipher of Latin. -Doug Ewell Ful

Re: vertical direction control

2004-03-25 Thread Peter Kirk
On 24/03/2004 15:08, Asmus Freytag wrote: ... Let me rephrase it: I don't think I know of a scenario where it is critical for a resource limited device to support the selection of vertical vs. non-vertical display of text. Unless there is some such scenario, there's no need to even speculate ab

Re: vertical direction control

2004-03-24 Thread John Cowan
Ernest Cline scripsit: > And dhat's wot stans in dhee way uv spelling reeform. No, Regularized Inglish is perfectly practical, which is why I sed that Axel Wijk rules. Keep a few pronunciations ov each sound and regularize away the rest, and yoo get a sensible spelling reform. -- John Cowan <[

Re: vertical direction control

2004-03-24 Thread Ernest Cline
> [Original Message] > From: John Cowan <[EMAIL PROTECTED]> > > Kenneth Whistler scripsit: > > > It ought to be spelled: HuhRODuhduhs > > But those d's aren't diaphonematic. My correspondent's a Brit, and > he spotted the error immediately, because of course there's no > neutralization for him.

Re: vertical direction control

2004-03-24 Thread John Cowan
Kenneth Whistler scripsit: > It ought to be spelled: HuhRODuhduhs But those d's aren't diaphonematic. My correspondent's a Brit, and he spotted the error immediately, because of course there's no neutralization for him. Axel Wijk rulez. -- John Cowan <[EMAIL PROTECTED]> http://www.ccil.org/

Re: vertical direction control

2004-03-24 Thread Doug Ewell
Peter Kirk wrote: > And surely Braille could equally be considered a cipher of Latin > script (although the same symbols are also used as a cipher of other > scripts). ... which is one reason it can't be considered just a cipher of Latin. -Doug Ewell Fullerton, California http://users.adelphi

Re: vertical direction control

2004-03-24 Thread Stefan Persson
Tom Gewecke wrote: I believe CSS 2 includes writing-mode top-to-bottom right-to-left, but last I checked only Win IE 6 could do it. Last time I checked, Win IE 6 took notice of the CSS markup and displayed the text wrong, while all other web browsers ignored the CSS. Stefan

Re: vertical direction control

2004-03-24 Thread Kenneth Whistler
> Herotodos - 17 hits > Herodotos - 8,730 hits > Herotodus - 528 hits > Herodotus - 165,000 hits And don't forget: Herodatus - 168 hits Heradotus - 14 hits Heradatus - 7 hits Herotadus - 1 hit Which I guess only further demonstrates how worthless English orthography is after the Great Vowel Shi

Re: vertical direction control

2004-03-24 Thread Peter Kirk
On 24/03/2004 12:31, Kenneth Whistler wrote: ... Besides, this is really a very, very marginal concern. All real world exemplars of boustrophedon are *not* bidirectional text, and all real world exemplars of bidirectional text are not laid out in boustrophedon. Why? Well, because it would be a st

Re: vertical direction control

2004-03-24 Thread Asmus Freytag
At 02:58 PM 3/24/2004, Thomas Kuehne wrote: Am 2004-03-23 20:23 schrieb Asmus Freytag: > I don't think I know of a scenario where it is crtical for a > resource limited device to display the kinds of texts you list > below. Reading the font data and processing it into a display representation poses

Re: vertical direction control

2004-03-24 Thread Peter Kirk
On 24/03/2004 14:07, [EMAIL PROTECTED] wrote: Kenneth Whistler scripsit: Ernest Cline wrote: It also doesn't account for boustrephedon writing direction either. ^ boustrophedon Ah well. I once referred to

Re: vertical direction control

2004-03-24 Thread Tom Gewecke
Regarding the use of "higher level protocols" to deal with the complex issues of vertical layout, the CSS 3 text module may be of interest: http://www.w3.org/TR/css3-text/ I believe CSS 2 includes writing-mode top-to-bottom right-to-left, but last I checked only Win IE 6 could do it.

Re: vertical direction control

2004-03-24 Thread Timothy Partridge
Peter Kirk recently said: > It seems strangely inconsistent to me that Unicode has detailed controls > for horizontal layout direction and the complex bidi algorithm, but has > nothing for vertical layout. I can force Latin text to be rendered right > to left or Hebrew left to right (although s

Re: vertical direction control

2004-03-24 Thread jcowan
Kenneth Whistler scripsit: > Ernest Cline wrote: > > > It also doesn't account for boustrephedon writing direction either. > ^ > boustrophedon Ah well. I once referred to Herodotos throughout a posting as Herotodos (googli

Re: vertical direction control

2004-03-24 Thread Rick McGowan
Regarding Moon script... and Braille... > And surely Braille could equally be > considered a cipher of Latin script (although the same symbols are also > used as a cipher of other scripts). No, Braille is not a cipher of any other script. It is *not* simply one-to-one mappable to/from the Lat

RE: vertical direction control

2004-03-24 Thread Ernest Cline
> [Original Message] > From: Kenneth Whistler <[EMAIL PROTECTED]> > > Is Moon Type in actual use, or just a historical curiosity? William > Moon was a 19th century figure. Yes, it is still in use, altho mainly in the UK. It is reportedly easier for those who have lost their sight to learn Moon

Re: vertical direction control

2004-03-24 Thread Thomas Kuehne
Am 2004-03-23 20:23 schrieb Asmus Freytag: > I don't think I know of a scenario where it is crtical for a > resource limited device to display the kinds of texts you list > below. Reading the font data and processing it into a display representation poses the same resource costs for mirrored, rot

RE: vertical direction control

2004-03-24 Thread Peter Constable
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf > Of Kenneth Whistler > By the way, while Peter Constable noted that > > "the interaction of a boustrophedon with bidi is a valid issue." > > I would contend that that is at the higher level where bidi > interacts with the line layou

Re: vertical direction control

2004-03-24 Thread Peter Kirk
On 24/03/2004 12:31, Kenneth Whistler wrote: [1] http://www.bsblind.co.uk/full/moon/typeindx.htm Is Moon Type in actual use, or just a historical curiosity? William Moon was a 19th century figure. The last section of "Moon, Matches and Microchips", accessible from http://www.bsblind.co.uk

Re: vertical direction control

2004-03-24 Thread Thomas Kuehne
Am 2004-03-23 21:57 schrieb Ernest Cline: > I suppose one could use the ECMA-48 / ISO 6429 > SPD (Select Presentation Direction) control sequence, but that > is hardly plain text, altho it isn't quite markup either. After having a glimpse on ECMA-48(Control Functions for Coded Character Sets) I a

Re: vertical direction control

2004-03-24 Thread Peter Kirk
On 24/03/2004 11:53, Chris Jacobs wrote: I think we are talking at cross purposes here. You are talking about the direction of successive lines. No, I am not. I mean latin and hebrew in vertical layout, this happens if it is mixed with han in vertical layout. Latin is then rotated 90 degrees

Re: vertical direction control

2004-03-24 Thread Peter Kirk
On 24/03/2004 12:10, Ernest Cline wrote: ... Actually, from what sources I've seen, while the Philippine scripts were sometimes written as if they were bottom to top when using materials other than paper, it was always read left to right. It was a case of it being more convenient with the materi

RE: vertical direction control

2004-03-24 Thread Michael Everson
At 13:55 -0500 2004-03-24, Ernest Cline wrote: It is reasonable for Unicode to ignore boustrophedon at present because it is not necessary for the scripts it currently supports and it adds an extra and usually unneeded layer of complexity to the bidirectional algorithm. If Unicode ever adds a bou

Re: vertical direction control

2004-03-24 Thread Stefan Persson
Chris Jacobs wrote: I mean latin and hebrew in vertical layout, this happens if it is mixed with han in vertical layout. > Latin is then rotated 90 degrees clockwise, changeing it from top to bottom. > Hebrew is then rotated 90 degrees counterclockwise, changeing it also from > top to bottom. No

RE: vertical direction control

2004-03-24 Thread Kenneth Whistler
Ernest Cline wrote: > It also doesn't account for boustrephedon writing direction either. ^ boustrophedon < Gr. strepho, but pf. estropha Intentionally. That is an

Re: vertical direction control

2004-03-24 Thread Michael Everson
At 15:10 -0500 2004-03-24, Ernest Cline wrote: Actually, from what sources I've seen, while the Philippine scripts were sometimes written as if they were bottom to top when using materials other than paper, it was always read left to right. It was a case of it being more convenient with the mater

Re: vertical direction control

2004-03-24 Thread Ernest Cline
> [Original Message] > From: Benjamin Peterson <[EMAIL PROTECTED]> > > On Wed, 24 Mar 2004 14:09:11 +, "Michael Everson" > <[EMAIL PROTECTED]> said: > > At 14:49 +0100 2004-03-24, Chris Jacobs wrote: > > >Which scripts are written bottom to top in vertical layout? > > > > Ogham and sometime

Re: vertical direction control

2004-03-24 Thread Chris Jacobs
> I think we are talking at cross purposes here. You are talking about the > direction of successive lines. No, I am not. I mean latin and hebrew in vertical layout, this happens if it is mixed with han in vertical layout. Latin is then rotated 90 degrees clockwise, changeing it from top to bott

Re: vertical direction control

2004-03-24 Thread Michael Everson
At 11:33 -0800 2004-03-24, Benjamin Peterson wrote: Also Numidian (if you count it seperate from Tifinagh), I don't, not at this stage anyway. and various scripts from the Philippines: Tagalog (and its relatives) and Mangyan. The surviving Mangyan users seem to write it left to right when usin

Re: vertical direction control

2004-03-24 Thread Benjamin Peterson
On Wed, 24 Mar 2004 14:09:11 +, "Michael Everson" <[EMAIL PROTECTED]> said: > At 14:49 +0100 2004-03-24, Chris Jacobs wrote: > > > It seems strangely inconsistent to me that Unicode has detailed controls > >> for horizontal layout direction and the complex bidi algorithm, but has > >> nothi

RE: vertical direction control

2004-03-24 Thread Peter Constable
> From: Ernest Cline [mailto:[EMAIL PROTECTED] > However, for a > boustrophedon only script such as Moon Code, it will prove needful > to handle this in some manner, if for no other reason than to determine > how it would fit into the bidirectional algorithm. Sure, the interaction of a boustrophe

RE: vertical direction control

2004-03-24 Thread Peter Constable
From: Peter Kirk [mailto:[EMAIL PROTECTED] > Well, surely there is at least in principle an ambiguity between > >    D > abc E >     F > > and > > abc > >  D > E > F Both are legible and have the same meaning. The issue of choice of presentation is out of scope for Unicode. Peter Peter Co

RE: vertical direction control

2004-03-24 Thread Peter Constable
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf > Of Michael Everson > >Of course, boustrophedon layout isn't needed to ensure legibility of > >Greek text; if it was, though, the solution would be to say that correct > >implementations of the Greek block required boustrophedon layou

RE: vertical direction control

2004-03-24 Thread Ernest Cline
> [Original Message] > From: Peter Constable <[EMAIL PROTECTED]> > > > From: Ernest Cline > > > > It also doesn't account for boustrephedon writing direction either. > > Again, this is a presentation issue that doesn't require any new control > characters. There is absolutely no reason, for insta

Re: vertical direction control

2004-03-24 Thread Michael Everson
At 10:30 -0800 2004-03-24, Peter Kirk wrote: I don't know of any scripts in which the ordering of lines is bottom to top. Orkhon (Old Turkic). -- Michael Everson * * Everson Typography * * http://www.evertype.com

Re: vertical direction control

2004-03-24 Thread Peter Kirk
On 24/03/2004 05:49, Chris Jacobs wrote: It seems strangely inconsistent to me that Unicode has detailed controls for horizontal layout direction and the complex bidi algorithm, but has nothing for vertical layout. I can force Latin text to be rendered right to left or Hebrew left to right (althou

Re: vertical direction control

2004-03-24 Thread Peter Kirk
On 24/03/2004 08:24, Peter Constable wrote: From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]] On Behalf Of Peter Kirk It seems strangely inconsistent to me that Unicode has detailed controls for horizontal layout direction an

Re: vertical direction control

2004-03-24 Thread Philippe Verdy
From: "Chris Jacobs" <[EMAIL PROTECTED]> > Which scripts are written bottom to top in vertical layout? Latin is quite often written in that direction, after rotating the letters too. See the many anotations or titles in books printed in the margin. OK this is not a property of the script, but a pr

RE: vertical direction control

2004-03-24 Thread Michael Everson
At 09:06 -0800 2004-03-24, Peter Constable wrote: Of course, boustrophedon layout isn't needed to ensure legibility of Greek text; if it was, though, the solution would be to say that correct implementations of the Greek block required boustrophedon layout in the app, and not addition of new contr

Re: vertical direction control

2004-03-24 Thread Michael Everson
At 14:49 +0100 2004-03-24, Chris Jacobs wrote: > It seems strangely inconsistent to me that Unicode has detailed controls for horizontal layout direction and the complex bidi algorithm, but has nothing for vertical layout. I can force Latin text to be rendered right to left or Hebrew left to ri

RE: vertical direction control

2004-03-24 Thread Peter Constable
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf > Of Ernest Cline > It also doesn't account for boustrephedon writing direction either. Again, this is a presentation issue that doesn't require any new control characters. There is absolutely no reason, for instance, why an app could

RE: vertical direction control

2004-03-24 Thread Ernest Cline
> [Original Message] > From: <[EMAIL PROTECTED]> > To: <[EMAIL PROTECTED]>; <[EMAIL PROTECTED]>; <[EMAIL PROTECTED]> > Date: 3/24/2004 2:35:50 PM > Subject: RE: vertical direction control > > > Which scripts are written bottom to top in vert

RE: vertical direction control

2004-03-24 Thread Peter Constable
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf > Of Peter Kirk > It seems strangely inconsistent to me that Unicode has detailed controls > for horizontal layout direction and the complex bidi algorithm, but has > nothing for vertical layout. The bidi embedding and overrides are ne

RE: vertical direction control

2004-03-24 Thread Peter Constable
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf > Of Stefan Persson > Unicode contains doubles of some CJK punctuation marks, one form for > vertical layout and one for horizontal layout. Only so for backward compatibility with legacy standards. For instance, apart from legacy compa

RE: vertical direction control

2004-03-24 Thread jarkko.hietaniemi
> Which scripts are written bottom to top in vertical layout? The Unicode bidi faq tells that ancient Numidian was written bottom to top, and the Egyptian hieroglyphics could go basically in any direction. Then again, it also says that developers shouldn't really worry overmuch about these. > I

Re: vertical direction control

2004-03-24 Thread Stefan Persson
Mike Ayers wrote: Do you have examples of cases where vertical control has content? I thought there were no such cases known. U+3031 and its voiced variant U+3032 are only appropriate to use in vertical layout. These two characters are AFAIK only used in Japanese, and the current recom

Re: vertical direction control

2004-03-24 Thread John Cowan
Chris Jacobs scripsit: > Which scripts are written bottom to top in vertical layout? The native direction of Ogham is bottom-to-top, although it is rotated to left-to-right when it has to coexist with Latin. There presumably is no traditional method of setting Ogham with Han-influenced scripts,

Re: vertical direction control

2004-03-24 Thread Chris Jacobs
> It seems strangely inconsistent to me that Unicode has detailed controls > for horizontal layout direction and the complex bidi algorithm, but has > nothing for vertical layout. I can force Latin text to be rendered right > to left or Hebrew left to right (although such overrides are hardly > pla

Re: vertical direction control

2004-03-24 Thread Peter Kirk
On 23/03/2004 18:09, Thomas Kuehne wrote: Am Mittwoch 24 März 2004 00:09 schrieb Asmus Freytag: Is somebody already using a PUA assignment for vertical text direction controls? I think the idea was that these don't belong in plain text. Markup languages have had vertical layout contro

Re: vertical direction control

2004-03-23 Thread Ernest Cline
I can't imagine a situation where this would matter for plain text. I suppose one could use the ECMA-48 / ISO 6429 SPD (Select Presentation Direction) control sequence, but that is hardly plain text, altho it isn't quite markup either.

Re: vertical direction control

2004-03-23 Thread Asmus Freytag
At 06:09 PM 3/23/2004, Thomas Kuehne wrote: Am Mittwoch 24 März 2004 00:09 schrieb Asmus Freytag: > >Is somebody already using a PUA assignment for vertical text > > direction controls? > I think the idea was that these don't belong in plain text. > Markup languages have had vertical layout control

RE: vertical direction control

2004-03-23 Thread Mike Ayers
Title: RE: vertical direction control > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On > Behalf Of Thomas Kuehne > Sent: Tuesday, March 23, 2004 6:09 PM > For CJK, old European in-scripts and especially Egyptian hieroglyphs > it would be good to have a common control

Re: vertical direction control

2004-03-23 Thread Thomas Kuehne
Am Mittwoch 24 März 2004 00:09 schrieb Asmus Freytag: > >Is somebody already using a PUA assignment for vertical text > > direction controls? > I think the idea was that these don't belong in plain text. > Markup languages have had vertical layout controls forever. The problem arose at very resou

Re: vertical direction control

2004-03-23 Thread Asmus Freytag
At 02:55 PM 3/23/2004, Thomas Kuehne wrote: Is somebody already using a PUA assignment for vertical text direction controls? from http://www.unicode.org/faq/bidi.html#1 > [...] the choice of vertical layout is usually treated as a > formatting style; therefore, the Unicode Standard does not define