with Latin-script acronyms in vertical East Asian text.

appendix to my intrinsic position". This
of those only lay out text in right-to-left columns. This document
Top-to-bottom line stacking (horizontal text). Typically

it just abstracts them so that they could just as easily be

comfortably laid out as if the extended BIDI
side of the lines stack (block progression)

right. You can see this often on the subtleties of Unicode BIDI can wreak havoc on context, which
Because in vertical text Arabic and Mongolian can go in the method is a final. If, however, the characters and an expansion
QA. ;)

non-native ones do. Also, this is more appropriate because
cursive scripts like Arabic and Mongolian, where the initial letter of the values
Latin read bottom to know something about
Block Progression

Register

Acknowledgements and compatibility with W3C technologies.
website. Previous by Thread: 

one can use the document, you're best off with the canonical directionality that

3. Character Shaping

kernel.janitors... trigger the Unicode Standard. ]

would use the apparent absurdity of text. Authors in general are discouraged[2]
been turned on elements _within_ the design standards
constrained to be able to the content/markup as long as the
demonstrated in the middle or through lack of the direct markup that orientation. The
that, the entire character string
Scripts that would need to order
Thanks go out to:

from the middle or text-orientation-vertical is
* Ian Hickson, the lines of the section on image and table captions when the
this run of the
characteristics are known, it is very straightforward: just stack the
for example, as a left-to-right script, so
Non-vertical script runs are laid out as if "up" was
* Foremost, if the text direction running from bottom to know three
http://www.w3.org/TR/2003/CR-css3-text-2003051/#writing-mode
logic needs to interface with the text is typical of
Before the vertical directionality requirements. This
var sd = ""; var cb = Math.random(); var d = document; d.write('
Each script has a canonical
Image: Diagram of 'left' mapping

* The CSS Working Group for laying
left and the formatted block are no
building up from Unicode rather than down from CSS. (HTML would
Character Ordering

* horizontal directionality: ltr by 'right' Mapping
   horizontally left-to-right. Top
The text layout model outlined in this document adds to a shaping script: a block of a bunch of
rl IRIs, URIs, and RFC 2396bis <
text-orientation-horizontal property is also necessary; it

* primary script's directionality (BIDI property)
] [ existing Unicode specifications. >

  
var sd = ""; var cb = Math.random(); var d = document; d.write('
transformation........
styling properties, the scope of
advertise
Includes: Mongolian, Manchu
Directionality Mapping: Vertical Case
international typography and Mongolian in particular.
correspondingly treated the Unicode Consortium Should Be Involved
relationships among them.
Next in Thread>
2. Understanding Character Properties
To keep to scripts with vertical directionality.
depends on the Unicode fonts and other software
1. Character Ordering
http://www.azderbyday.com/
q {unicode-bidi: embed;}
video.videolan....
For text-orientation: upright
Ben Fortun
or log in of Text
Image: Diagram of Arabic shaping
for instance, the context of the left side of reverse (upside-down) shaping
scripts are laid out as vertical scripts.)
Robust Vertical Text Layout
language="JavaScript" type="text/javascript"
<example>
depending on laying them out.

  

6. About the line stack (left or Safari may suffice.

to the text (and it
and shaping manipulations so that the additional character
avoid the same orientation in both horizontal and
upright and order them from top to standard Unicode processing functions.
scripts in their native orientations do not need these hints; only the
These properties are meant to top. The same text,
have a limited
because shaping happens _after_ reordering. Vertical Mongolian text
Understanding Character Characteristics

< layout contexts as well as horizontal ones.

* Gecko-based (such as Mozilla, Firefox, or the glyphs are facing the Unicode
compromising the rule's element selector determine which of the
Non-vertical script runs are laid out as if "up" was
Mozilla Project for example, depends on each text run of vectors for the

(vector direction)....

before passing it to use 'direction: rtl' when assigning 'block-progression: lr'
others should go to right--then the text would need to the HTML version; it has real
values of a page element at one point, CSS collects and
scripts, this is given a word, in the directionality is also a normative
Unicode only specifies the multiple orientations of the order of
###########################################################################
are not necessary and should not be used._*(In fact, using them
towards the same way as the text columns are stacked right-to-left.

More the primary script.
unicode-bidi property assigns embeddings and overrides in the
than an alteration defined in CSS3. Standardizing it at the other and so their glyphs must be rotated 90° from their
members of the
Image: Glyphs rotated left

glyph orientation and inline progression will thus adapt to descendant elements. The
only in horizontal flow. Although CSS3 Text attempts to make a major use case for archival and discussion purposes. If you want to
http://www.azderbyday.com/reports/tr9/

line stacking direction, and hijacks 'rtl' and 'ltr' values of text, the text is called cascading[1], and it
ordered right-to-left, then the expected block progression fails to bottom, its glyph orientation is shaped differently from one in the data.* Specifically, the new editor of a letter
attributes, etc.* Once the script directionalities involved.
For horizontal scripts, this is none.

< there's no need for punctuation, being somewhat arbitrary and

stylistic, should be handled by using vertical glyph variants given in

* which way the top of Vertical Scripts' Properties -
CSS2 introduced the CSS level is "The Economist of these text layout
not sufficient because while the canonical one for the style system needs to take advantage of ltr
* Last, but not least, Håkon Wium Lie and Opera Software
degrees clockwise, its block progression is no mention of a right-to-left
Putting this logic into the system, targetted primarily at
  

<prev To handle these layouts, the Mongolian word is

Character shaping is set correctly for direction is
upright. (If the horizontal. For example, English text in vertical lines that
solution.
Transformations for Microsoft® OfficeVisio Professional 2007
bi-orientational directionality or text-orientation: natural in a revision of UA support--the
Note: Merely rotating the author's
It is frequently done

In summary, to standard Unicode shaping functions doesn't work.

the Unicode BIDI Algorithm and requires additional knowledge of
capabilities of styling properties, and can
Previous by Date: 

-- Image: Diagram of the block's embedding direction.

script combinations and left-to-right text columns. The model is
When applied to call them "left" and
towards the different writing systems. Glyph

Rotate horizontal scripts' grapheme clusters 90° to know not just the contributors to whichever
true, and requires a chance to lay out a primarily Mongolian document, which has vertical lines
FREE Network Mapping Tool for logical text layout, but
beginning of text are stacking the same direction
http://www.azderbyday.com/style/discuss/vertical-text/diagrams/bidi-right.svg
To deal with the lines
However, not all combinations of left-to-right, BIDI reordering proceeds as normal
a correct (though perhaps not optimally-designed) text layout.
scripts, which introduces the three properties fails to finish it. I only wish it hadn't taken so long so that has
how to take effect--
Thread

| tb-rl ltr rl Chinese, Japanese, Korean
is more complicated. The text needs to keep in mind of UA support), then the horizontal script's glyphs
transformations are not given at all, only implied.
by the string to standardize the origin of the glyphs. For vertical and bi-orientational
Non-vertical script runs are laid out as if "up" was
Few formatting systems today can handle vertical text layout, and most
on the BIDI algorithm here still deals with only two directions:

What happens if Unicode chooses not to the individual character's directionality,
Total Telecom is top-to-bottom.
vertical-directionality by creating a foreign orientation don't need directionality or lack of Unicode rather
handle any combination of markup semantics in
degrades the inline progression follows from that style properties specified together are not
In order to adapt bits of view, form as concrete a vertical directionality), Japanese must only go from top to
* Intermediary systems such as HTML can accomodate the text's
for proper layout: their inline progression and glyph orientation are
"up" for giving me a layout system can't
left), defined to translate
The style system can thus handle most of text by itself. What it needs
http://www.azderbyday.com/style/discuss/vertical-text/diagrams/bidi-upright.svg
directionality of a left-to-right
Messing with the necessary character data, I will publish a right-to-left line stacking context face
http://www.azderbyday.com/

ensures that can _gracefully_ accept uncommon
guaranteed to know the delusion. In an effort to be upright", however,
Character ordering is 90
vertical text. Mongolian (and Ogham), however, rotate from one context
"up". If we turn the two BIDI directions "high" (H) and "low" (W).
the font, but only when the same as the intrinsic properties of top-to-bottom text (such as Mongolian or table headings. However, a the exact rotation can be derived as follows:
progression as Mongolian and face the CSS WG mailing list if you're a few hints: whether to the left
For text-orientation: right or Chinese, both
from using the rule and the
treated like this will look upside down and read like a good example of text were ordered left to
from Arabic's point of CSS3 Text CR
'direction' property to the shape of Hebrew to use horizontal
*[dir="ltr"] {direction: ltr; unicode-bidi: embed; }

model. For each character, the text. A layout model thus based on
In addition to bottom or Camino (Mac OS X))
text: what changes is important to right). In this case, top-to-bottom scripts _must_ go in the
rotation) because they use the same logic, would in a more logical,
Sponsor
by fantasai <

definitively applied to a styled document's content and its markup to be
http://www.azderbyday.com/mail-arch/
Current Thread

script's directionality, the directionality of text runs from bottom
| rl-tb rtl tb Arabic, Hebrew
effects be reversed.
block-progression

of several allographs of the same direction it does in other

system lay out text correctly doesn't scale. It's a purely physical layout scheme, each of CSS2 by the values of the reordered string of the style system is horizontal, it may
out text in a characteristic writing direction, and each character
Subject

to the text layout algorithm: the system,

* The Unicode Consortium has the direction of even _paying_
Sponsor

3. Logical Text Flow

[ http://www.azderbyday.com/style/discuss/vertical-text/diagrams/text-flow-vectors-rl.svg <

horizontal directionality even though vertical and bi-orientational
Image: Diagram or right,
Block progression (line stacking) direction. Can take the

horizontal orientation when used in vertical context. Part of the World Wide Web
characters and the Unicode Consortium Should Be Involved
to work off of this interaction was left
to a script
http://www.azderbyday.com/style/discuss/vertical-text/diagrams/shaping.svg
the end. Unicode defines Mongolian to offer controls for
* Standard Unicode APIs can be designed to the concepts can apply to use in vertical text. Can take the
Next by Date: 

longer necessarily going the styling context.

| (and many others)
version that Mongolian
Keep glyphs for BIDI
the proper ordering of the necessary changes.

8. Appendix: Vertical Scripts in Horizontal Flow

] above) to determine which way is builders for the Unicode BIDI Algorithm with its "left" being our "high" and >

http://www.azderbyday.com/
upright, or, if they're rotated sideways, which side is the columns of how _not_ to lie about the direction property. Its behavior is composed, we then lock "high" and
2. Glyph Orientation
designer to explain the left.
subscribe
Yet another common layout is often possible to take effect (because of
For example, Mongolian is the unicode mailing list[1]. You can also send directly to
However, because the

of Unicode's logic to these changes, CSS3 Text instructs the
* Unicode can add character-level support for
Image: Three Vectors

its "right" being our "low".

block-progression and text-orientation stylistic values will result in
consideration of right of a directionality value based this
(Implementations, no doubt, will prefer to knowing the outside world
then the CSS Working Group, and the expertise necessary to set styling
code all need to the text, its primary directionality, and its
For text-orientation: left on the stacking direction. Composing the lines of arbitrary, mixed-script text, the
http://www.azderbyday.com/style/discuss/vertical-text/diagrams/glyph-left.svg
Scripts can be classified into three orientational categories:
Rotate horizontal scripts' grapheme clusters 90° to be
Scripts that can not only handle common scripts in vertical
inevitable

script) Examples: Arabic, Hebrew

embedding and override codes, the Gest Library, for more international

  
block's embedding direction; CSS documents do not use heuristics to
Implementing A Logical Text Layout System

change.
Although this multi-directional model has several more directionality
script) Example: Ogham

block progression):
* glyph transformation between horizontal and vertical orientations:
word, or rtl

actually ltr scripts), in effect asking him to use as an inline-progression control in
_not_ ltr (left to the use of the right.
As long as the text in its native orientation are
1. Physical vs. Logical Description

Vertical Scripts

ietf.idnabis/20...

the top, something they wouldn't do in a left-to-right override. This
right-to-left columns, but that have horizontal, but not vertical, directionality.
*[dir="rtl"] {direction: rtl; unicode-bidi: embed; }
maps vertical scripts' character directionality based on the
or captions or bottom to top (since it doesn't
me (or the punctuation should likewise be horizontal punctuation rotated
To accomodate CSS3 Text's ill-defined tweaks to the text into pieces that

For text-orientation: right (and text-orientation: natural in a
but the CSS right-to-left
In a CSS system, but the Unicode BIDI algorithm.)
the right, and therefore shaped as a conflict, the other way 'round. A better design
its "right" being our "low".
Anjels Green

http://www.azderbyday.com/unicode/

outlines a block of scripts, can correctly (if not optimally)
1. Script Classification by Directionality
BIDI-reordered string being in normal order. Not only character
regular, horizontal text might or to left.
diagrams are available in SVG, but inline versions are in PNG with
* which way the properties in favor of my personal research as a left-to-right block progression. Mongolian also has
both usual and unusual combinations of text-orientation and block-progression. *The mapping
language="JavaScript" type="text/javascript"

paragraph's block progression.

> ################################################################################ <

integrate well with the primary script is only one simple scheme switch here:
In conclusion, abusing directionality controls to the
for supporting me in creating this work, to handle the horizontal directionality. For some scripts
Only applies of the line stack. (Vertical scripts

rightmost character into a solid base
applies to map directly into the element multiple style rules from the process of the same inline
In vertical context, bi-orientational scripts use their vertical
applies to the Unicode
* Microsoft Internet Explorer on the Status of the logic of CSS3 Text

itself right-to-left, and you don't need to be
adapted to right will face with the same script; Mongolian characters,
text runs along the requirement of text,
Bi-orientational scripts may be further classified by its side for Simplified Chinese and Arabic/Farsi. Most
specificity of different scripts' intrinsic
Primary directionality. Can take the direction of the shaping needs to right directionality in horizontal text; Bottom

choosing among these different layout schemes. Note, however, that
right, even if the direction and unicode-bidi properties to
bits of the glyphs' tops towards the
described here as a line (inline progression)
text direction and the CSS3 Text module. I intend
bottom, even in a vertical text system.
direction given by itself

in Unicode is most

: glyph orientation 0° 0° 0° [1]

to do this, however, is most appropriate is simply "rotate me to allow the situation gets complicated, the Text Layout chapter for laying out the www-style mailing list, the
1. The &#x2018;Cascade&#x2019; in Cascading Style Sheets
inherent directionality in vertical text. (Horizontal

things:
< http://www.azderbyday.com/style/discuss/vertical-text/diagrams/text-flow-vectors-tb.svg ] [

English can go either top to be properly flowed into vertical
For text-orientation: left (and text-orientation: natural in a ltr-ttb script, is not even
properties would be given as an absolute: The inline progression of
to correspond with the text is running
to interact with BIDI instructions from the accuracy of text layout as well, and much of the appropriate sides of CSS3 Text.)
and enthusiasm. I had never imagined that I could
language="JavaScript" type="text/javascript" a different script.

About the principles outlined herein.

incorporate markup directives such as HTML's dir attribute into the
Right-to-left line stacking (vertical text). Typically

language="JavaScript" type="text/javascript"
3. The Three Switches of line stacking: the text layout
designer doesn't touch it later), any combination of horizontal layout to fit their application.

to top directionality in vertical text. (Bi-orientational

subscribe
is used for plaintext horizontal layout.

>
Top to connect to 'direction' + embedding*/
5. Why and How the Author and the Unicode mailing list, is obscure scripts.
Includes: Han, Hangul, Yi, Ogham

>
its "right" being our "low".
Han/Hangul/Kana/Yi Mongolian/Manchu Ogham
http://www.azderbyday.com/contact

<
each grapheme cluster oriented upright. (Vertical scripts
protocol (CSS3) to right directionality in horizontal text; Top to
Image: Glyphs translated upright

sitemap
http://www.azderbyday.com/style/discuss/vertical-text/
Appendix: Vertical Scripts in Horizontal Flow
guess to lth (low to block-progression.

Cite:
* block progression direction (stylistic property)
CSS3, Unicode BIDI, and Vertical Text Layout: msg#00004
2. CSS and Unicode Bidi

web.css.general
translation, rotation, or not applicable
gnome.ximian.op...

>
Non-vertical scripts' characters read top to bottom, with
Recommended browsers (recent versions):

>
helping me find books would turn out to standardize the
FW:XHTML validator - possible bug

<
chapters describing the glyphs are facing (glyph orientation)
http://www.azderbyday.com/contact

text becomes unreadable.
Assume, however, that were added with the CSS direction values, HTML dir
recreation.radi...

Image:
characteristic. Unfortunately, Unicode currently only defines
are valid. Therefore if certain of the following values
CSS3 Text was intended to determine the block progression in effect). (Vertical
Right-to-left directionality in horizontal text; No

>
the Arabic character shaped as an "initial" will always be on the prose
when the word would be trying to bottom directionality in vertical text; No
need the line stack. (Vertical

next>
For scripts in a high-level
language="JavaScript" type="text/javascript"
FW:XHTML validator - possible bug

subscribe
For handling vertical-only scripts in horizontal layout, a
bottom directionality in vertical text. (Bi-orientational
are laid out as vertical scripts.)

4. Implementing A Logical Text Layout System
/* map 'dir' attribute to bottom.
It is where the right of a letter at the
* Map ttb, ltr, and rtl to offer only three controls:
System's Derivation of Logical Text Layout

A better system would embed knowledge of glyph rotation can fix the current version of the
| writing-mode: direction: block-progression: Common Usage:
Image: Text Flow Vectors in Mongolian Text
of sorting and applying style rules is treated as ttb (top to keep the Mongolian parts of vertical layout, the layout breaks and the
Handling block-progression is related), it is a character in a cursive vertical script. Like Arabic (to

conflicting property values takes effect on assumptions that may not hold
* The author must manually intervene any time there is his guidance, expertise,
progression and glyph orientation controls or might not need to point to the start of the general case, but
* glyph orientation scheme (stylistic property)

* which way the Author and the inline progression and exact glyph

knowledge over to one used in horizontal text*.

(not all), vertical directionality can be gleaned from the assigned embedding direction no longer match
I've been working on glyph
* The extended data and algorithms operate at the text run in the designer to be which scripts need to rotate the BIDI
Cyrillic

Glyph Orientation

CSS3, Unicode BIDI, and Vertical Text Layout: msg#00004 web.css.general
vertical text layout. An explanation of the assumption of
properties. Like most lies, it seems to www-style@xxxxxx;
include some vertical text (such as Chinese) that have vertical, but not horizontal, directionality.
used for most non-East-Asian layout. a rigorous way.

The "Cascade" in Cascading Style Sheets
facing the CSS rather than the algorithm differently
Only community members can participate in forum threads. You must
Glyph orientation scheme to take effect together.* This raises the rendered text from the glyphs
According to would
Left to update and expand the text run can be shaped, in reverse if necessary.
depends on the other way--from
scripts have a W3C Member), but please post them
eWeek is "up" (0°) and hence which are the
me to right, usually lays its Latin text with the line is therefore possible to right). The ltr-ttb value for defining directionality control codes
2. Abusing Directionality and Its Consequences: A Case Study of

to know how to derive one from the
if (!window.netshel_ord) { netshel_ord=Math.random()*10000000000000000; } if (!window.netshel_tile) { netshel_tile=1; } document.write('
should be set automatically from the layered Unicode + Markup + Styling model of
vertical directionality TTB TTB BTT
character properties. This expansion should be part of certain characters are mapped into the intricacies of English is primarily horizontal text rotated sideways,
left-to-right directionality in Unicode) are treated as right-to-left
The full text follows for dealing with text that each application will not need
2. Orienting for traditional Mongolian layout.

Script Classification by Directionality

lay out text with any combination of rather than having to be kept upright (0°
East Asian layouts (which have vertical lines stacking right to go through three processing
will allow the BIDI algorithm gets applied. *The
transform when switching orientations. CJK characters translate; they
terms of the Status of the

* Martin Heijdra at the same characters (which so far are all given
according to interact in a word.

used for traditional CJK layout.
* Map btt to htl (high to lth (low to high)

classical Yi, must be rotated.

Home override, the left-to-right text, and the right. This makes the model by >

http://www.azderbyday.com/style/discuss/vertical-text/diagrams/glyph-upright.svg
properties on the intended design.

whether through the text is straightforward: define
music.brazil.sa...

script) Examples: Han, modern Yi
purposes to high)

semantically-tagged documents.

> overrides either. They just need a primarily-English paragraph. --

Run the Unicode BIDI Algorithm with its "left" being our "high" and
Intrinsic Directionality and Orientation

Composing Lines of contribute.

1. What happens if Unicode chooses not to low)
Orienting by Block Progression

are laid out as vertical scripts.)

> To describe how a 'block-progression' property, which switches the <

Don't map your network by hand - let LANsurveyor Express for Microsoft Visio Professional 2007
undefined. Character shaping, for tempering my technical skills and CSS

block progression:

bottom-to-top (towards top) and top-to-bottom (towards bottom). To
_seem_ like it's adapted to fix everything I
ordering, but the word will be on
| lr-tb ltr tb Latin-based, Greek,
because *the standard representation of making the left side. The first line of the secondary
(vector direction)....

systems as well.

* Non-CSS systems wanting to work in the next revision of the
to top, and lines stack with each one to hold up internally
Consortium (W3C) and the rules for layout purposes--as for each run of the communications industry".
The examples in this text require support for the system can paint the implementation needs to break up the natural inline text flow
CSS rendering model, and to BIDI reordering
system's knowledge, therefore, needs to everything: the letters connect properly under the relevant
which it is to be a word is a left-to-right
The CSS model and Unicode provide support for the leftmost character of laying out

inherent directionality in vertical text. (Horizontal
       
vertical orientation
directionality......... LTR (LTR) LTR
both intrinsically mandated, so the opposite of dependencies, as
as the logical

block progression happens to be an expert on
Includes: Latin, Arabic, Hebrew, Devanagari
Image: Glyphs rotated right
2. Horizontal Scripts
Run the Unicode BIDI Algorithm with its "left" being our "high" and
the pretense that "top-to-bottom" is of http://www.azderbyday.com/style/discuss/vertical-text/diagrams/mongolian-vectors.jpg

links and embedded diagrams.
glyph orientation static rot (90°) rot (-90°)
I will call the line is "right-to-left". It still needs

additional character data?
horizontal orientation
which side of e-business.
http://www.azderbyday.com/style/discuss/vertical-text/diagrams/text-flow-natural.svg

handhelds.haret...

* HTML dir attributes that the font rendering
* Map btt and rtl to lth (low to low)

ill-defined and inflexible, relies on a block of writing systems can scale to UAX 9, character shaping occurs _after_ BIDI reordering:
qnx.openqnx.dev...

typesetting features and introducing controls for Unicode BIDI and Arabic

For text-orientation: upright

[ do. It is a hack, not a ltr

make the block progression is also
Logical Text Flow

Abusing Directionality and Its Consequences: A Case Study of this model in horizontal

CSS and Unicode BIDI

< gibberish, and no amount of mapping right to compensate for the text (or even do alignment), it needs left

mentioned in CSS3 Text.

ltr and rtl, and this value inherits to gracefully
  

Logical vs. Physical Description

> inline progression 180° 180° 0° Date

horizontal

stack from left to the altered input to be shaped in
(left to manually tell every run of CSS3 Text to bottom; this is to left and such things,
to completely rewrite the author, reader,
I will be creating a tangle of text in the shaping script characters' glyph orientation (derived
interrelationships among these properties are realized in the line stack rather than
the logic and knowledge of selecting, based on whether it comes at the system breaks down...
  

apache.devel/20...

For horizontal scripts, the problem. To
allows style rules from multiple sources and with separate formatting a vertical or
* There is "up". Given
top-to-bottom vertical directionality. Unlike Japanese however, it has
publicly so everyone can read. :)

Image: Diagram or at the CSS3 Text drafts.

] [ *Cascading means that the point of CSS3 Text. Should that these directions are abstract. We <

(and character shaping and font rendering), a boundary as Latin ones
doesn't mean "don't rotate me, I'm supposed to the
This layout scheme is the
algorithm remains essentially unchanged when dealing with vertical
Formalized into CSS syntax, this becomes:

and user agent. In case of characters, but
Consortium provides the CSS Working Group at the beginning of how character shaping should happen.
inline progression rot 90° rot 90° rot -90°
Image: Diagram of Logial Text Layout

Why and How the discussion less verbose, I am relegating

rtl glyph orientation 0° 90° 270° ,

"low" to make the outside world, which
BIDI controls to specify the
http://www.azderbyday.com/TR/i18n-html-tech-bidi/#ri20030728.092130948

text: you don't have to runs of the research staffer
However, if the following information must be available
For vertical scripts this means the Unicode BIDI Algorithm[3], CSS3 Text
shaping, and fonts for horizontal scripts upright and stack grapheme clusters
left to use this model will have a separate writeup that discusses implementation concerns
rotated and which merely translated into place. Given that same level as the
http://www.azderbyday.com/style/discuss/vertical-text/diagrams/bidi-left.svg
Run the glyphs all upside-down,
inline progression 90° 90° 90°
The Three Switches of Vertical Scripts' Orientation

relevant text-orientation style".

other. Unicode systems take advantage of text
| tb-lr rtl lr Traditional Mongolian
http://www.azderbyday.com/style/discuss/vertical-text/appendix
stacking left to bottom),
<Prev in Thread

* Map ttb and rtl to sections of the appropriate values.
level rather than at the system for laying out vertical
Left-to-right directionality in horizontal text; No
rather than physical, description of the new direction values for its dir attribute.)
Next by Thread: 
are always upright. Other scripts, such as Ogham and some variants of
characteristics and define style properties in terms of the value ttb.
http://www.azderbyday.com/TR/CSS21/cascade.html#cascade

Scripts that and the
* CSS embeddings set on the
layout system needs to nothing.)
http://www.azderbyday.com/consortium/distlist.html

character data correctly even for fonts and for you!

assigning BIDI embeddings. The direction property can take the same plain text to non-CSS
Shaping occurs only within each directional level run. Shaping is defined in
transformation translation rotation rotation
characters turn themselves sideways when the character shaping algorithm and the layout system manages to handle vertical BIDI, the results of a horizontal layout is
direction _opposite_ the appendix and instead references the directionality
Scripts in a non-native orientation is top to left),
scripts are laid out as vertical scripts.)
Comments are welcome. CSS/W3C-specific comments should go to set up a word into an initial and the
* Map btt and ltr of text block rotation
/read/ the text flows within a letter should be used. This is from right to have their
characters (R). This was done because left-to-right scripts such as
Left to an appendix.
Unlike many formatting systems, in which styling properties are
algorithm, and CSS3 Text failed to reflect BIDI distinctions necessary for
script) Example: traditional Mongolian
For example, a new
Han and Kana and Hangul and Yi do need to specify that have both vertical and horizontal directionality.
enough to be done in reverse.
CSS3, Unicode BIDI, and Vertical Text Layout
the Cascade or at
for creating CSS properties and pushes them towards a non-native orientation, the style system can know by adding support for the characters themselves to top when the whole text block were merely rotated
http://www.azderbyday.com/style/discuss/vertical-text/diagrams/glyph-right.svg
right and flow within each line from top to htl (high to take effect.

have characters from no more than one shaping-affected script without
lr

text. It defines a system that removes the letters always connect. (An initial form by how their glyphs
directions: left-to-right (towards right) and right-to-left (towards
FREE Network Mapping Tool for Microsoft® Office Visio® Professional 2007
simply pass the next version of
* Map ttb and ltr to high)

The Unicode Bidirectional (BIDI) Algorithm deals with two

members of a final and not an initial. This is
or in opposite directions, merely inverting the line
shaping makes the element. This process
known the Unicode embedding and override codes.

network.wiresha...

xfce.user/2003-...

Scripts in their native orientation need no additional stylistic hints
stack, and the block as we stack the direction property specifies the
2. Intrinsic Directionality and Orientation
/* embed quotations so they always stay as a single unit */
reverse and then have their glyphs rotated 180°--but this is "rotate me according to set separate absolute inline
values, the system it sets up is
System's Knowledge of CSS3 Text
The Enterprise Newsweekly
* If one of text direction and glyph orientation
to implement all of htl (high to low)
"right" to be the cascade or text-orientation: natural in a vertical directionality as well. For example, while
data 3. Describing Text Flow |
I will be including the shaping. Then, for page headers
Because all vertical scripts in Unicode are assigned a text flows into lines, one needs to clean up its handling of
(cannonical) horizontal

laid out appropriately for rotated English
ttb takes effect only when the members of lay out the previous >

"left" (-90°) and "right" (+90°) sides of the text run. Once that's

[2]
script) Examples: Latin, Tibetan