Compact HTML for Small Information Appliances
`
`http://www.w3.org/TR/1998/NOTE-compactHTML-19980209/
`
`W3C NOTE 09-Feb-1998
`
`This version:
`http://www.w3.org/TR/1998/NOTE-compactHTML-19980209
`Latest version:
`http://www.w3.org/TR/1998/NOTE-compactHTML-19980209
`Author:
`Tomihisa Kamada, ACCESS Co.,Ltd., tomy@access.co.jp
`
`This document is a NOTE made available by the W3 Consortium for discussion only. This indicates no
`endorsement of its content, nor that the Consortium has had any editorial control in it preparation, nor that
`the Consortium has, is, or will be allocating any resources to the issues addressed by the NOTE.
`
`This document is a submission to W3C. Please see <http://www.w3.org/Submission/> Acknowledged
`Submissions to W3C regarding its disposition.
`
`The Internet infrastructure has been developed all over the world, and nowadays there are a variety of
`devices equipped with the Internet-access function, from TV sets to wireless cellular phones. The HyperText
`Markup Language (HTML) is widely accepted and spread as the standard of the WWW(World Wide Web)
`document format. The "Compact HTML" proposed here defines a subset of HTML for small information
`appliances such as smart phones, smart communicators, mobile PDAs, and etc. Such a certain level of HTML
`is strongly required as a guideline from the manufacturers of small information devices, service providers,
`carriers, and software developers. Since "Compact HTML" is completely based on the HTML
`recommendations, we can use millions of HTML-based content resources, various software tools, and public
`materials (textbooks, magazines, and web information).
`
`1.
`2.
`
`3.
`
`Introduction
`Requirements of Small Information Appliances
`1.
`Scope of the Products
`Requirements
`2.
`Wireless Network
`3.
`Definition of Compact HTML
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`Compact HTML for Small Information Appliances
`
`http://www.w3.org/TR/1998/NOTE-compactHTML-19980209/
`
`1.
`Design Principles
`2.
`Features of Compact HTML
`3.
`Detail Definition
`Examples and Benefits of Compact HTML
`1.
`Examples
`Benefits of Compact HTML
`2.
`Another Approach
`3.
`Concluding Remarks
`
`4.
`
`5.
`
`References
`Acknowledgments
`Appendix A. Compact HTML Tag List
`Appendix B. Compact HTML DTD
`
`The Compact HTML is a well-defined subset of HTML 2.0[1], HTML 3.2[2] and HTML 4.0[3]
`recommendations, which is designed for small information appliances. HTML defines flexible, portable, and
`practical document format for the documents on the Internet. One direction of HTML is to grow toward
`richer multimedia document format. A new recommendation HTML 4.0[3] includes new additional features.
`For example, CSS(Cascading Style Sheets) give a wider range of document styles. On the other hand, there
`must be another direction for small information appliances. Small information appliances have several
`hardware restrictions such as small memory, low power CPU, small or no secondary storage, small display,
`mono-color, single character font, and restricted input method (no keyboard and mouse). The browser for
`Compact HTML proposed in this document can be implemented in such a restricted environment. Once such
`a subset of HTML is defined, contents providers and information appliance manufacturers can rely on this
`common standard. We believe that Compact HTML definitely contributes to the rapid growth of small
`information appliance market.
`
`2.1. Scope of the Products
`
`First we describe the scope of target small information appliances. The
`categories of these devices are often referred to as smart phones, smart
`communicators, and mobile PDAs. There are some hardware restrictions for
`these devices. From the hardware point of view, we pick up main
`characteristics of the target devices.
`
`Small memory
`Typical case: 128-512Kbytes RAM
`and 512K-1Mbytes ROM
`Low power CPU
`Typical case: 1-10 MIPS class CPU for embedded systems
`Small display
`Typical case: 50x30 dots, 100x72 dots, and 150x100 dots
`Restricted colors
`Typical case: mono-color (black and white)
`Restricted character fonts
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`Compact HTML for Small Information Appliances
`
`http://www.w3.org/TR/1998/NOTE-compactHTML-19980209/
`
`Typical case: only single font
`
`Restricted input method
`Typical case: several control buttons and number buttons (0-9)
`
`The picture shows an example of cellular phone which has the HTML
`browsing function. A wide variety of content services are potentially possible
`via wireless networks.
`
`2.2. Requirements
`
`To realize the WWW browsing function for such small devices, a suitable subset of HTML is necessary. The
`requirements are derived from the above hardware restrictions. Also these devices should be easy to use from
`the standpoint as consumer products. The browser software for a subset of HTML should run within the small
`memory: e.g., 150-200Kbytes for the working data and also 150-200Kbytes for the program code. The
`minimum requirement for the CPU power should be 1-2 MIPS, though it may depend on the CPU power
`required for network communication processing. Easy navigation is also one of the key features for consumer
`devices. It means that the users can navigate information with a minimum number of operations. A subset of
`HTML should satisfy this requirement.
`
`2.3. Wireless Network
`
`Compact HTML does not depend on the underlying network protocol. In the typical cases, the transport
`protocol for Compact HTML is assumed to be HTTP over TCP/IP. However, current wireless communication
`networking for cellular phones is low band and low speed. In this area, the transport protocol should be
`defined as light protocol for better performance on the physical packet layer. It also seems useful to compress
`HTML contents so that most of HTML data can be stored within one packet data.
`
`3.1 Design Principles
`
`The Compact HTML is designed to meet the requirements of small information appliances described above. It
`is designed based on the following four principles.
`
`(1) Completely based on the current HTML W3C recommendations
`Compact HTML is defined as a subset of HTML 2.0, HTML 3.2 and HTML 4.0 specifications. This
`means that Compact HTML inherits the flexibility and portability from the standard HTML.
`(2) Lite Specification
`Compact HTML has to be implemented with small memory and low power CPU. Frames and tables
`which require large memory are excluded from Compact HTML.
`(3) Can be viewed on a small mono-color display
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`Compact HTML for Small Information Appliances
`
`http://www.w3.org/TR/1998/NOTE-compactHTML-19980209/
`
`Compact HTML assumes a small display space of black and white color. However, it does not assume a
`fixed display space, but it is flexible for the display screen size. Compact HTML also assumes single
`character font.
`(4) Can be easily operated by the users
`Compact HTML is defined so that all the basic operations can be done by a combination of four buttons;
`Cursor forward, Cursor backward, Select, and Back/Stop(Return to the previous page). The functions
`which require two-dimensional focus pointing like "image map" and "table" are excluded from Compact
`HTML.
`
`The definition of Compact HTML is derived straightforwardly from the above principles.
`
`3.2 Features of Compact HTML
`
`The Compact HTML is a subset of HTML 2.0, HTML 3.2 and HTML 4.0. We describe the major features
`which are excluded from Compact HTML, as follows.
`
`JPEG image
`Table
`Image map
`Multiple character fonts and styles
`Background color and image
`Frame
`Style sheet
`
`We define that Compact HTML includes GIF image support. It should be noted that this subset does not
`require two-dimensional cursor moving, that is, it can be operated by using only four buttons. We can also
`expect that well-designed pages for small display fit the screen space and the scrolling is not necessary.
`Actually the Compact HTML browser can display the pages like "deck of cards" by HDML[4].
`
`Since the memory capacity is the most important issue in implementing the Compact HTML browser, we
`recommend the buffer limit for some functions.
`
`INPUT
`The maximum buffer size is 512 bytes.
`SELECT
`The maximum buffer size is 4096 bytes.
`
`Though such a limitation belongs to the implementation issues, the common criteria is useful while developing
`devices.
`
`One recommended implementation for the browser is to support the direct selection of anchors by using
`number buttons. For example, when five anchors are contained in an HTML page, the third anchor can be
`selected just by pressing the "3" button. (The HTML 4.0 specification includes a new attribute "accesskey"
`for the similar purpose of direct key assignment. )
`
`3.3 Detail Definition
`
`The complete list of tags supported by Compact HTML is described in Appendix A. The comparison with
`HTML 2.0, HTML 3.2 and HTML 4.0 is marked in the table. The document type definition (DTD) for
`Compact HTML is also described in Appendix B. This gives the intended interpretation of Compact HTML
`elements. The document type is defined as follows;
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`Compact HTML for Small Information Appliances
`
`http://www.w3.org/TR/1998/NOTE-compactHTML-19980209/
`
`<!DOCTYPE HTML PUBLIC "-//W3C//DTD Compact HTML 1.0 Draft//EN">
`
`4.1 Examples
`
`Here we describe the examples of applications by using Compact HTML. The following examples show the
`compact browser for cellular phones. The screen is the space of 7 text lines and 16 characters wide. The top
`line is used for displaying the status information.
`
`(1) Compact HTML example: Simple Menu
`In this example, the cursor focus point is expressed as the reverse text.
`
`(2) Compact HTML example: Mail Send Form
`This example shows the mail sending form using INPUT tags. The focused form is expressed as solid
`surrounding lines, and non-focused forms are expressed as dotted surrounding line. The cursor point for
`input characters is expressed as a reverse box.
`
`(3) Compact HTML example: Image Contents
`This example shows weather and rain information of the day. It uses mono-color GIF image.
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`Compact HTML for Small Information Appliances
`
`http://www.w3.org/TR/1998/NOTE-compactHTML-19980209/
`
`Practical implementations and experiments show that Compact HTML is enough useful for small screen of
`5-10 text lines and 10-20 characters wide.
`
`4.2 Benefits of Compact HTML
`
`The Compact HTML, an HTML-based approach, guarantees that small information appliances can connect to
`the open WWW world. Compact HTML keeps the advantage of HTML features and solves the problems
`arising from the restrictions of small information appliances.
`
`The Compact HTML specification can be referred to by the tools like HTML authoring systems. In addition,
`the client-specific web services for such small devices can be realized by using user agent attributes [5]. That
`is, the server can do the content filter for Compact HTML.
`
`4.3 Another Approach
`
`There may be another approach which is NOT based on HTML standards. The approach of a new language
`may be accepted in a certain closed service. For example, a language named HDML(Handheld Device
`Markup Language)[4] is proposed for the mobile handheld devices. The goal of HDML is very similar to the
`one of Compact HTML. It seems useful for a class of handheld devices. However, the disadvantage of special
`language approach can be said that everything such as contents, authoring tools, server software, client
`software, and textbooks have to be prepared. Especially thinking about a product line from high-end PDAs to
`low-end cellular phones, the consistent HTML-based approach would make sense.
`
`We proposed the Compact HTML for small information appliances. This contributes to the WWW
`community, especially for wireless and mobile small devices. Compact HTML can be referred as a
`recommended guideline for HTML services and for HTML browsing software in this area.
`
`The Internet world is growing very fast. Several levels will be likely required for Compact HTML in the near
`future. It is important to evolve the functionality and extend the specification flexibly, according to the
`requirements from the growing market.
`
`In the early 21st century, the world-wide standard for wireless digital phone networking protocols will be
`established. The band width of the network is expected to be wide enough for motion picture (video)
`communications. Compact HTML should include such advanced features in this next generation of wireless
`network.
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`Compact HTML for Small Information Appliances
`
`http://www.w3.org/TR/1998/NOTE-compactHTML-19980209/
`
`[1] Tim Berners-Lee and Dan Connolly, The HyperText Markup Language (HTML) Specification Version
`2.0 (RFC 1866), Nov. 1995.
`[2] Dave Raggett, HTML 3.2 Reference Specification, W3C Recommendation. Jan. 1997.
`[3] Dave Raggett, Arnaud Le Hors, and Ian Jacobs, HTML 4.0 Reference Specification, W3C
`Recommendation, Dec. 1997.
`[4] Tim Hyland, Proposal for a Handheld Device Markup Language (HDML), May. 1997.
`[5] Tomihisa Kamada and Tomohiko Miyazaki, Client-Specific Web Services by Using User Agent
`Attributes, W3C NOTE, Dec. 1997.
`
`We would like to thank to Professors Nobuo Saito and Tatsuya Hagino (KEIO University) and many W3C
`members for their supports and suggestions. We are also grateful to NTT DoCoMo for their supports to
`Compact HTML for wireless cellular phones.
`
`--Updated 1998/01/27
`--HTML(2.0:HTML2.0, 3.2:HTML3.2, 4.0:HTML4.0)
`--CHFCompact HTML
`
`Attributes
`
`No
`1
`2
`
`Elements
`
`!-
`!DOCTYPE
`
`3 &xxx;
`
`-
`-
`
`-
`
`Comments
`
`HTML CH
`2.0
`CH --
`2.0
`CH --
`CH --&amp;,&copy;,&gt;,&lt;,&quot;,&reg;,&nbsp;
`--&#0;`&#127;
`
`2.0
`
`--
`
`CH
`CH
`
`-----
`
`-
`-
`-
`-
`
`-
`
`--
`--
`--Only one font.
`--(Deprecated element in HTML4.0)
`
`--
`
`name=
`href="URL"
`rel=
`rev=
`title=
`urn=(deleted from
`HTML3.2)
`methods=(deleted from
`HTML3.2)
`-
`-
`-
`-
`shape=
`coords=
`href="URL"
`alt=
`
`2.0
`
`4.0
`4.0
`2.0
`3.2
`
`3.2
`
`4 A
`
`5 ABBR
`6 ACRONYM
`7 ADDRESS
`8 APPLET
`
`9 AREA
`
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`Compact HTML for Small Information Appliances
`
`http://www.w3.org/TR/1998/NOTE-compactHTML-19980209/
`
`-
`
`--Only one font.
`-
`CH --
`--Only one font.
`--(Deprecated element in HTML4.0)
`--
`-
`--Only one font.
`-
`CH --
`CH
`
`--Non-white colors are drawn as black.
`
`------
`
`CH
`CH --
`-
`--
`-
`--
`CH --(Deprecated element in HTML4.0)
`-
`--Only one font.
`-
`--Only one font.
`-
`--
`-
`--
`CH --
`-
`--
`-
`--
`CH
`-
`CH
`CH --
`CH
`--
`-
`CH --
`-
`--Only one font.
`-
`--
`
`--(Deprecated element in HTML4.0)
`
`--Only one font.
`--(Deprecated element in HTML4.0)
`
`--
`
`--(Frameset DTD)
`
`---
`
`CH
`CH
`CH
`-
`
`2.0
`2.0
`
`3.2
`
`4.0
`3.2
`3.2
`2.0
`3.2
`3.2
`3.2
`3.2
`3.2
`3.2
`2.0
`3.2
`4.0
`3.2
`3.2
`2.0
`2.0
`4.0
`4.0
`2.0
`4.0
`3.2
`
`2.0
`
`3.2
`
`2.0
`
`2.0
`2.0
`4.0
`
`3.2
`
`2.0
`
`4.0
`
`10 B
`11 BASE
`
`nohref
`-
`href="URL"
`
`12 BASEFONT
`
`size=
`
`-
`13 BDO
`-
`14 BIG
`15 BLOCKQUOTE -
`
`-b
`
`gcolor=
`background=
`text=
`link=
`vlink=
`alink=
`
`lear=all/left/right
`
`ompact
`
`lign=left/center/right
`
`ompact
`
`-c
`
`-
`-
`-
`-
`-
`-
`-
`-
`-
`-
`
`-c
`
`-a
`
`-c
`
`-
`-
`-
`size=n
`size=+n/-n
`color=
`action=
`method=get/post
`enctype=
`-
`
`16 BODY
`
`17 BR
`
`18 BUTTON
`19 CAPTION
`20 CENTER
`21 CITE
`22 CODE
`23 COL
`24 COLGROUP
`25 DD
`26 DEL
`27 DFN
`
`28 DIR
`
`29 DIV
`
`30 DL
`
`31 DT
`32 EM
`33 FIELDSET
`
`34 FONT
`
`35 FORM
`
`36 FRAME
`
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`Compact HTML for Small Information Appliances
`
`http://www.w3.org/TR/1998/NOTE-compactHTML-19980209/
`
`4.0
`2.0
`2.0
`3.2
`2.0
`3.2
`3.2
`3.2
`3.2
`2.0
`3.2
`2.0
`4.0
`2.0
`2.0
`3.2
`3.2
`3.2
`3.2
`3.2
`2.0
`3.2
`3.2
`2.0
`
`2.0
`
`2.0
`
`2.0
`
`2.0
`
`2.0
`
`lign=left/center/right
`
`-
`-
`
`-a
`
`-a
`
`lign=left/center/right
`size=
`width=
`noshade
`
`ersion=
`
`-v
`
`-
`-
`src=
`align=top/middle/bottom
`align=left/right
`width=
`height=
`hspace=
`vspace=
`alt=
`border=
`usemap=
`ismap=
`type=text
`name=
`size=
`maxlength=
`value=
`type=password
`name=
`size=
`maxlength=
`value=
`type=checkbox
`name=
`value=
`checked
`type=radio
`name=
`value=
`checked
`type=hidden
`name=
`value=
`
`37 FRAMESET
`38 HEAD
`
`39 Hn
`
`40 HR
`
`41 HTML
`
`42 I
`43 IFRAME
`
`44 IMG
`
`45 INPUT
`
`CH
`CH
`CH
`CH
`CH
`CH
`CH
`CH
`CH
`CH
`CH
`CH
`CH
`CH
`CH
`CH
`CH
`CH
`CH
`CH
`CH
`
`--Max character buffer 512 bytes.
`
`--
`
`--
`
`--
`
`--
`
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`
`--(Frameset DTD)
`-
`CH --
`CH
`CH --
`CH
`CH
`CH
`CH
`CH
`CH
`CH --version="C-HTML 1.0".
`-
`--Only one font.
`-
`--(Frameset DTD)
`CH
`CH
`CH
`CH
`CH
`CH
`CH
`CH
`CH
`
`--Large images compressed automatically.
`
`--
`
`--
`
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`

`Compact HTML for Small Information Appliances
`
`http://www.w3.org/TR/1998/NOTE-compactHTML-19980209/
`
`-
`
`--
`
`--
`
`--
`
`--
`
`--
`
`--(Deprecated element in HTML4.0)
`
`--Only one font.
`--
`--
`
`--
`
`--
`
`--Only one font.
`--(Obsolete element in HTML4.0)
`--
`
`--(Deprecated element in HTML4.0)
`
`CH
`CH
`CH
`CH
`CH
`CH
`
`-
`
`-
`
`--
`
`-
`-
`-
`CH
`
`---
`
`-
`
`-
`
`-
`CH
`-
`
`CH --http-equiv="refresh" only.
`
`-
`-
`-
`-
`
`--Deleted from HTML3.2.
`--(Frameset DTD)
`--
`--
`
`2.0
`2.0
`2.0
`3.2
`
`2.0
`
`2.0
`
`3.2
`
`4.0
`2.0
`3.2
`2.0
`4.0
`4.0
`2.0
`3.2
`3.2
`3.2
`
`2.0
`
`2.0
`
`3.2
`
`2.0
`
`2.0
`
`2.0
`4.0
`4.0
`4.0
`
`type=image
`name=
`src=
`align=top/middle/bottom
`/left/right
`type=submit
`name=
`value=
`type=reset
`name=
`value=
`type=file
`name=
`value=
`-
`
`rompt=
`
`-p
`
`-
`-
`-
`
`-t
`
`ype=1/A/a/I/i
`type=circle/disc/square
`value=
`href="URL"
`rel=
`rev=
`urn=
`methods=
`title=
`id=
`
`46 INS
`
`47 ISINDEX
`
`48 KBD
`49 LABEL
`50 LEGEND
`
`51 LI
`
`52 LINK
`
`53 LISTING
`
`-
`
`name=
`
`-c
`
`ompact
`name=
`http-equiv=
`content=
`n=
`-
`-
`-
`
`54 MAP
`
`55 MENU
`
`56 META
`
`57 NEXTID
`58 NOFRAMES
`59 NOSCRIPT
`60 OBJECT
`
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`Compact HTML for Small Information Appliances
`
`http://www.w3.org/TR/1998/NOTE-compactHTML-19980209/
`
`--
`
`CH
`
`---
`
`--
`
`--
`
`--
`
`-
`CH
`CH
`-
`CH
`CH --
`-
`--
`CH --(Obsolete element in HTML4.0)
`CH
`-
`-
`-
`-
`-
`CH
`CH
`CH
`-
`-
`-
`-
`-
`-
`-
`
`--
`--(Deprecated element in HTML4.0)
`--Only one font.
`--
`
`--Max character buffer 4 Kbytes.
`
`--Only one font.
`--
`--(Deprecated element in HTML4.0)
`--Only one font.
`--
`--
`--
`
`-
`
`-
`
`-
`
`--
`
`--
`
`--
`
`2.0
`3.2
`3.2
`2.0
`4.0
`
`2.0
`
`2.0
`3.2
`4.0
`2.0
`2.0
`3.2
`4.0
`2.0
`2.0
`3.2
`
`2.0
`
`3.2
`4.0
`2.0
`2.0
`2.0
`3.2
`3.2
`
`3.2
`
`4.0
`
`3.2
`
`-t
`
`ype=1/A/a/I/i
`start=
`compact
`-
`
`-s
`
`elected
`value=
`
`61 OL
`
`62 OPTGROUP
`
`63 OPTION
`
`lign=left/center/right
`
`-a
`
`-
`-
`
`64 P
`
`65 PARAM
`66 PLAINTEXT
`
`-w
`
`idth=
`
`-
`-
`-
`-
`name=
`size=
`multiple
`-
`-
`-
`-
`-
`-
`-
`
`-a
`
`lign=left/center/right
`etc.
`border=
`width=
`cellspacing=
`cellpadding=
`-
`
`-a
`
`lign=left/center/right
`valign=top/middle
`/bottom/baseline
`rowspan=
`colspan=
`width=
`height=
`
`67 PRE
`
`68 Q
`69 S
`70 SAMP
`71 SCRIPT
`
`72 SELECT
`
`73 SMALL
`74 SPAN
`75 STRIKE
`76 STRONG
`77 STYLE
`78 SUB
`79 SUP
`
`80 TABLE
`
`81 TBODY
`
`82 TD
`
`11 of 16
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`9/21/2012 3:46 PM
`
`Motorola PX 1014_11
`
`

`

`Compact HTML for Small Information Appliances
`
`http://www.w3.org/TR/1998/NOTE-compactHTML-19980209/
`
`83 TEXTAREA
`
`84 TFOOT
`
`nowrap
`name=
`rows=
`cols=
`-
`
`CH
`CH
`CH
`-
`
`2.0
`
`4.0
`
`--Max character buffer 512 bytes.
`
`--
`
`3.2
`
`-
`
`--
`
`--
`-
`CH --
`
`-
`
`--
`
`--Only one font.
`--(Deprecated element in HTML4.0)
`
`--
`
`--Only one font.
`--Only one font.
`--(Obsolete element in HTML4.0)
`
`-
`-
`CH
`
`--
`
`-
`
`-
`
`4.0
`2.0
`
`3.2
`
`2.0
`3.2
`2.0
`3.2
`2.0
`2.0
`
`2.0
`
`-a
`
`lign=left/center/right
`valign=top/middle
`/bottom/baseline
`rowspan=
`colspan=
`width=
`height=
`nowrap
`-
`-
`
`-a
`
`lign=left/center/right
`valign=top/middle
`/bottom/baseline
`-
`-
`
`-t
`
`ype=disk/circle/square
`compact
`-
`
`-
`
`85 TH
`
`86 THEAD
`87 TITLE
`
`88 TR
`
`89 TT
`90 U
`
`91 UL
`
`92 VAR
`
`93 XMP
`
`<!-- Compact HTML Document Type Definition -->
`
`<!--
` Date: Tuesday November 25th 1997
` Author: Tomihisa Kamada <tomy@access.co.jp>
`-->
`
`<!ENTITY % HTML.Version
` "-//W3C//DTD Compact HTML 1.0 Draft//EN"
` >
`
`<!--================== Deprecated Features Switch =========================-->
`
`<!ENTITY % HTML.Deprecated "INCLUDE">
`
`<!--================== Imported Names =====================================-->
`
`<!ENTITY % Content-Type "CDATA">
`
`<!ENTITY % HTTP-Method "GET | POST">
`
`12 of 16
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`9/21/2012 3:46 PM
`
`Motorola PX 1014_12
`
`

`

`Compact HTML for Small Information Appliances
`
`http://www.w3.org/TR/1998/NOTE-compactHTML-19980209/
`
`<!ENTITY % URL "CDATA">
`
`<!-- Parameter Entities -->
`
`<!ENTITY % heading "H1|H2|H3|H4|H5|H6">
`
`<!ENTITY % list "UL | OL | DIR | MENU">
`
`<!ENTITY % preformatted "PRE">
`
`<!--================ Character mnemonic entities ==========================-->
`
`<!ENTITY % ISOlat1 PUBLIC
` "ISO 8879-1986//ENTITIES Added Latin 1//EN//HTML">
`
`%ISOlat1;
`
`<!--================ Entities for special symbols =========================-->
`
`<!ENTITY amp CDATA "&" -- ampersand -->
`<!ENTITY gt CDATA ">" -- greater than -->
`<!ENTITY lt CDATA "<" -- less than -->
`
`<!--=================== Text Markup =======================================-->
`
`<!ENTITY % phrase "DFN">
`
`<!ENTITY % special "A | IMG | BR ">
`
`<!ENTITY % form "INPUT | SELECT | TEXTAREA">
`
`<!ENTITY % text "#PCDATA | %phrase | %special | %form">
`
`<!ELEMENT (%phrase) - - (%text)*>
`
`<!ELEMENT BR - O EMPTY>
`<!ATTLIST BR
` clear (left|all|right|none) none
` >
`
`<!--================== HTML content models ================================-->
`
`<!ENTITY % block
` "P | %list | %preformatted | DL | DIV | CENTER |
` BLOCKQUOTE | FORM | HR ">
`
`<!ENTITY % flow "(%text | %block)*">
`
`<!--=================== Document Body =====================================-->
`
`<!ENTITY % body.content "(%heading | %text | %block )*">
`
`<!ELEMENT BODY O O %body.content>
`
`<!ELEMENT DIV - - %body.content>
`<!ATTLIST DIV
` align (left|center|right) #IMPLIED
` >
`
`<!ELEMENT center - - %body.content>
`
`<!--================== The Anchor Element =================================-->
`
`<!ELEMENT A - - (%text)* -(A)>
`
`13 of 16
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`9/21/2012 3:46 PM
`
`Motorola PX 1014_13
`
`

`

`Compact HTML for Small Information Appliances
`
`http://www.w3.org/TR/1998/NOTE-compactHTML-19980209/
`
`<!ATTLIST A
` name CDATA #IMPLIED
` href %URL #IMPLIED
` >
`
`<!--=================== Images ============================================-->
`
`<!ENTITY % Length "CDATA">
`<!ENTITY % Pixels "NUMBER">
`
`<!ENTITY % IAlign "(top|middle|bottom|left|right)">
`
`<!ELEMENT IMG - O EMPTY>
`<!ATTLIST IMG
` src %URL #REQUIRED
` align %IAlign #IMPLIED
` width %Pixels #IMPLIED
` height %Pixels #IMPLIED
` hspace %Pixels #IMPLIED
` vspace %Pixels #IMPLIED
` alt CDATA #IMPLIED
` border %Pixels #IMPLIED
` >
`
`<!--=================== Horizontal Rule ===================================-->
`
`<!ELEMENT HR - O EMPTY>
`<!ATTLIST HR
` align (left|right|center) #IMPLIED
` size %Pixels #IMPLIED
` width %Length #IMPLIED
` noshade (noshade) #IMPLIED
` >
`
`<!--=================== Paragraphs=========================================-->
`
`<!ELEMENT P - O (%text)*>
`<!ATTLIST P
` align (left|center|right) #IMPLIED
` >
`
`<!--=================== Headings ==========================================-->
`
`<!ELEMENT ( %heading ) - - (%text;)*>
`<!ATTLIST ( %heading )
` align (left|center|right) #IMPLIED
` >
`
`<!--=================== Preformatted Text =================================-->
`
`<!ENTITY % pre.exclusion "IMG">
`
`<!ELEMENT PRE - - (%text)* -(%pre.exclusion)>
`
`<!--=================== Block-like Quotes =================================-->
`
`<!ELEMENT BLOCKQUOTE - - %body.content>
`
`<!--=================== Lists =============================================-->
`
`<!ELEMENT DL - - (DT|DD)+>
`<!ELEMENT DT - O (%text)*>
`<!ELEMENT DD - O %flow;>
`
`<!ELEMENT (OL|UL) - - (LI)+>
`
`14 of 16
`
`9/21/2012 3:46 PM
`
`Motorola PX 1014_14
`
`

`

`Compact HTML for Small Information Appliances
`
`http://www.w3.org/TR/1998/NOTE-compactHTML-19980209/
`
`<!ELEMENT (DIR|MENU) - - (LI)+ -(%block)>
`
`<!ELEMENT LI - O %flow>
`
`<!--================ Forms ===============================================-->
`
`<!ELEMENT FORM - - %body.content -(FORM)>
`<!ATTLIST FORM
` action %URL #IMPLIED
` method (%HTTP-Method) GET
` enctype %Content-Type; "application/x-www-form-urlencoded"
` >
`
`<!ENTITY % InputType
` "(TEXT | PASSWORD | CHECKBOX | RADIO | HIDDEN
` | IMAGE | SUBMIT | RESET )">
`
`<!ELEMENT INPUT - O EMPTY>
`<!ATTLIST INPUT
` type %InputType TEXT
` name CDATA #IMPLIED
` value CDATA #IMPLIED
` checked (checked) #IMPLIED
` size CDATA #IMPLIED
` maxlength NUMBER #IMPLIED
` src %URL #IMPLIED
` align %IAlign #IMPLIED
` >
`
`<!ELEMENT SELECT - - (OPTION+)>
`<!ATTLIST SELECT
` name CDATA #REQUIRED
` size NUMBER #IMPLIED
` multiple (multiple) #IMPLIED
` >
`
`<!ELEMENT OPTION - O (#PCDATA)*>
`<!ATTLIST OPTION
` selected (selected) #IMPLIED
` value CDATA #IMPLIED
` >
`
`<!ELEMENT TEXTAREA - - (#PCDATA)*>
`<!ATTLIST TEXTAREA
` name CDATA #REQUIRED
` rows NUMBER #REQUIRED
` cols NUMBER #REQUIRED
` >
`
`<!--================ Document Head ========================================-->
`
`<!ENTITY % head.content "TITLE & ISINDEX? & BASE?">
`
`<!ELEMENT HEAD O O (%head.content)>
`
`<!ELEMENT TITLE - - (#PCDATA)*>
`
`<!ELEMENT BASE - O EMPTY>
`<!ATTLIST BASE
` href %URL #REQUIRED
` >
`
`<!ELEMENT META - O EMPTY>
`<!ATTLIST META
`
`15 of 16
`
`9/21/2012 3:46 PM
`
`Motorola PX 1014_15
`
`

`

`Compact HTML for Small Information Appliances
`
`http://www.w3.org/TR/1998/NOTE-compactHTML-19980209/
`
` http-equiv NAME #IMPLIED
` >
`
`<!--================ Document Structure ===================================-->
`
`<!ENTITY % version.attr "VERSION CDATA #FIXED '%HTML.Version;'">
`
`<!ENTITY % html.content "HEAD, BODY">
`
`<!ELEMENT HTML O O (%html.content)>
`<!ATTLIST HTML
` %version.attr;
` >
`
`<!--================ End of DTD ===========================================-->
`
`16 of 16
`
`9/21/2012 3:46 PM
`
`Motorola PX 1014_16
`
`