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csswg/css3-lists Overview.src.html,1.63,1.64

From: Tab Atkins Jr.. via cvs-syncmail <cvsmail@w3.org>
Date: Thu, 21 Apr 2011 23:42:05 +0000
To: public-css-commits@w3.org
Message-Id: <E1QD3Vd-0006QN-Dx@lionel-hutz.w3.org>
Update of /sources/public/csswg/css3-lists
In directory hutz:/tmp/cvs-serv24566

Modified Files:
	Overview.src.html 
Log Message:
Rewrote/rearranged the cjk "spoken out" styles.


Index: Overview.src.html
===================================================================
RCS file: /sources/public/csswg/css3-lists/Overview.src.html,v
retrieving revision 1.63
retrieving revision 1.64
diff -u -d -r1.63 -r1.64
--- Overview.src.html	21 Apr 2011 22:43:50 -0000	1.63
+++ Overview.src.html	21 Apr 2011 23:42:03 -0000	1.64
@@ -400,7 +400,8 @@
 	</ol>
 
 	<p>This system is defined for all numbers greater than zero. For zero and
-	negative numbers, the decimal system is used instead.</p>
+	negative numbers, instead construct the representation of the counter value
+	using the ''decimal'' style.</p>
 
 	<p>The suffix for the ethiopic-numeric numbering systems is a dot
 	(. U+002E FULL STOP). <span class="issue">Is there a better suffix
@@ -423,54 +424,99 @@
 	</div>
 
 <h4 id='chinese-counter-styles'>
-The Chinese "spoken-out" counter styles</h4>
+The CJK "spoken-out" counter styles</h4>
 
-	<p>The Chinese "spoken-out" counter styles define a style of numbering roughly
-	similar to using "one, two, three..." in English.  The "financial" variant
-	is commonly used for writing out quantities of money, as it is somewhat difficult
-	to modify one "financial" character into another.  These styles	are defined 
-	for all numbers between -10<sup>16</sup> and 10<sup>16</sup>, exclusive.  
-	There are four Chinese counter styles which are constructed	using the same 
-	algorithm, but different sets of characters (given below). The following 
-	algorithm converts decimal digits into Chinese numbers:</p>
+	<p>Chinese, Japanese, and Korean all share almost identical "spoken-out"
+	counter styles, which are roughly similar to using "one, two, three..." in
+	English. The Chinese and Japanese styles are defined for all numbers between 
+	-10<sup>16</sup> and 10<sup>16</sup>, exclusive; the Korean styles are 
+	defined for all non-negative numbers less than 10<sup>16</sup>.  All of the
+	styles are defined by almost identical algorithms (specified as a single
+	algorithm here, with the differences called out when relevant), but use 
+	different sets of characters.  The list following the algorithm gives the
+	name of each counter style using this algorithm, and the individual character
+	sets used by each style.</p>
+
+	<p>For legacy reasons, the counter style ''cjk-ideographic'' must be treated
+	as an alias for ''trad-chinese-informal''.</p>
 
 	<ol>
-		<li>If the counter value is 0, the representation is simply the character
-		for 0 from the counter style's table, below.  End this algorithm.</li>
+		<li>If the counter value is 0, the representation is the character for 0
+		specified for the given counter style.  Skip the rest of this algorithm.</li>
 
-		<li>If the counter value is negative, set the <var>negative flag</var>
-		and run the rest of this algorithm with the absolute value of the counter
-		value.</li>
+		<li>For the Chinese and Japanese styles, if the counter value is negative,
+		set the <var>negative flag</var> to true and run the rest of this algorithm
+		with the absolute value of the counter value.  <span class='note'>(The 
+		Korean styles cannot represent negative numbers, and so instead use the 
+		fallback style.)</span></li>
 
-		<li>Split the decimal number into groups of four digits, starting with 
-		the least significant digit.</li>
+		<li>Initially represent the counter value as a decimal number.  Starting
+		from the right (ones place), split the decimal number into groups of
+		four digits.</li>
 
-		<li>Ignoring groups that have the value 0, append the second group marker 
-		to the second group, the third group marker to the third group, and the 
-		fourth group marker to the fourth group.  The first group has no marker.</li>
+		<li>For each group with a non-zero value, append the appropriate group
+		marker to the group.  The ones group has no marker.</li>
 
-		<li>For each group, ignoring digits that have the value 0, append the 
-		second digit marker to the second digit, the third digit marker to the 
-		third digit, and the fourth digit marker to the fourth digit. The first 
-		digit has no marker.</li>
+		<li>Within each group, for each digit that is not 0, append the appropriate
+		digit marker to the digit.  The ones digit of each group has no marker.</li>
 
-		<li>For each group, drop any trailing 0s.  As well, drop any leading 0s
-		for the largest group.</li>
+		<li>Drop ones:
+			<ul>
+				<li>For the Chinese informal styles, for any group with a value
+				between ten and nineteen, remove the tens digit (leave the digit
+				marker).</li>
 
-		<li>Concatenate the groups back into a single string, least significant
-		group first (on the right).</li>
+				<li>For the Japanese informal and Korean informal styles, if any
+				of the digit markers are preceded by the digit 1, and that digit
+				is not the first digit of the group, remove the digit (leave the
+				digit marker).</li>
 
-		<li>Collapse any runs of consecutive 0s into a single 0.
-		<span class=note>This can cross the previous group boundaries.</span></li>
+				<li>For Korean informal styles, if the value of the ten-thousands
+				group is 1, drop the digit (leave the digit marker).</li>
+			</ul>
+		</li>
 
-		<li>Replace each digit with the relevant character from the counter style's
-		table, below.</li>
+		<li>Drop zeros:
+			<ul>
+				<li>For the Japanese and Korean styles, drop all zero digits.</li>
 
-		<li>If the <var>negative flag</var> is set, prepend 負 U+8D1F to the string.</li>
+				<li>For the Chinese informal styles, drop all groups with the
+				value 0.</li>
+
+				<li>For all Chinese styles, drop any trailing zeros for all
+				non-zero groups and collapse (across groups) each remaining
+				consecutive group of zeros into a single zero digit.</li>
+			</ul>
+		</li>
+
+		<li>Recombine groups:
+			<ul>
+				<li>For the Chinese and Japanese styles, concatenate the groups
+				back into a single string, least significant group first (on the
+				right).</li>
+
+				<li>For the Korean styles, concatenate the groups back into a 
+				single string, least significant group first (on the right), with
+				a space (' ' U+0020) inserted between each group.</li>
+			</ul>
+		</li>
+
+		<li>If the <var>negative flag</var> was set to true earlier in the 
+		algorithm, prepend the appropriate negative sign for the given counter
+		style to the string.</li>
+
+		<li>Replace the digits 0-9 with the appropriate character for the given
+		counter style.  Return the resultant string as the representation of the
+		counter value.</li>
 	</ol>
 
-	<p>The following tables define the characers used in the four Chinese counter
-	styles:</p>
+	<p>For all of these counter styles, the suffix is "、" U+3001, the prefix is 
+	the empty string, the fallback style is ''decimal'', and the upper range 
+	bound is 9999 9999 9999 9999 (one less than 10<sup>16</sup>).  For the Chinese 
+	and Japanese styles, the lower range bound is -9999 9999 9999 9999 (one more
+	than -10<sup>16</sup>); for the Korean styles the lower range bound is 0.</p>
+
+	<p>The following tables define the characters used in these styles:</p>
 
 	<dl>
 		<dt><dfn>simp-chinese-informal</dfn></dt>
@@ -530,11 +576,14 @@
 					<tr>
 						<td>Fourth Group Marker
 						<td>万亿 U+4E07 U+4EBF
+					<tr>
+						<td>Negative Sign
+						<td>負 U+8D1F
 				</tbody>
 			</table>
 		</dd>
 
-		<dt><dfn>simp-chinese-financial</dfn></dt>
+		<dt><dfn>simp-chinese-formal</dfn></dt>
 		<dd>
 			<table>
 				<thead>
@@ -591,6 +640,9 @@
 					<tr>
 						<td>Fourth Group Marker
 						<td>万亿 U+4E07 U+4EBF
+					<tr>
+						<td>Negative Sign
+						<td>負 U+8D1F
 				</tbody>
 			</table>
 		</dd>
@@ -598,56 +650,9 @@
 		<dt><dfn>trad-chinese-informal</dfn></dt>
 		<dd class=issue>Fill this in.</dd>
 
-		<dt><dfn>trad-chinese-financial</dfn></dt>
+		<dt><dfn>trad-chinese-formal</dfn></dt>
 		<dd class=issue>Fill this in.</dd>
-	</dl>
-
-	<p class=note>Note: Chinese, Japanese, and Korean spoken-out numbering (what
-	this section defines) is actually defined up to 10<sup>72</sup>. Numbers 
-	higher than 10<sup>16</sup> are usually written in scientific notation,
-	however, and there is some variation in the group markers used for such numbers,
-	so the algorithm has been intentionally defined only to 10<sup>16</sup>.</p>
-
-
-<h4 id='japanese-counter-styles'>
-The Japanese "spoken-out" counter styles</h4>
-
-	<p>The Japanese "spoken-out" counter styles are similar to the 
-	<i title="chinese-counter-styles">Chinese "spoken-out" counter styles</i>,
-	except that they use different characters, use a slightly different algorithm,
-	and are not defined for negative numbers.  The following algorithm converts
-	decimal digits into Japanese numbers:</p>
-
-	<ol>
-		<li>If the original number is 0, the representation is simply the character
-		for 0 from the counter style's table, below.  End this algorithm.</li>
-
-		<li>Split the decimal number into groups of four digits, starting with 
-		the least significant digit.</li>
-
-		<li>Ignoring groups that have the value 0, append the second group marker 
-		to the second group, the third group marker to the third group, and the 
-		fourth group marker to the fourth group.  The first group has no marker.</li>
-
-		<li>For each group, ignoring digits that have the value 0, append the 
-		second digit marker to the second digit, the third digit marker to the 
-		third digit, and the fourth digit marker to the fourth digit. The first 
-		digit has no marker.</li>
-
-		<li>If the second, third, or fourth digit of any group was a 1, remove
-		the 1 (leave the digit marker).  If any digit was a 0, remove it.</li>
-
-		<li>Concatenate the groups back into a single string, least significant
-		group first (on the right).</li>
-
-		<li>Replace each digit with the relevant character from the counter style's
-		table, below.</li>
-	</ol>
-
-	<p>The following tables define the characters used in the two Japanese counter
-	styles:</p>
 
-	<dl>
 		<dt><dfn>japanese-informal</dfn></dt>
 		<dd>
 			<table>
@@ -659,7 +664,7 @@
 				<tbody>
 					<tr>
 						<td>Digit 0
-						<td>零 U+96F6
+						<td>〇 U+3007
 					<tr>
 						<td>Digit 1
 						<td>一 U+4E00
@@ -705,11 +710,14 @@
 					<tr>
 						<td>Fourth Group Marker
 						<td>兆 U+5146
+					<tr>
+						<td>Negative Sign
+						<td>マイナス U+30DE U+30A4 U+30CA U+30B9
 				</tbody>
 			</table>
 		</dd>
 
-		<dt><dfn>japanese-financial</dfn></dt>
+		<dt><dfn>japanese-formal</dfn></dt>
 		<dd>
 			<table>
 				<thead>
@@ -766,55 +774,14 @@
 					<tr>
 						<td>Fourth Group Marker
 						<td>兆 U+5146
+					<tr>
+						<td>Negative Sign
+						<td>マイナス U+30DE U+30A4 U+30CA U+30B9
 				</tbody>
 			</table>
 		</dd>
-	</dl>
-
-
-<h4 id='korean-counter-styles'>
-The Korean "spoken-out" counter styles</h4>
-
-	<p>The Korean "spoken-out" counter styles are similar to the 
-	<i title="chinese-counter-styles">Chinese "spoken-out" counter styles</i>,
-	except that they use different characters, use a slightly different algorithm,
-	and are not defined for negative numbers.  The following algorithm converts
-	decimal digits into Korean numbers:</p>
 
-	<ol>
-		<li>If the original number is 0, the representation is simply the character
-		for 0 from the counter style's table, below.  End this algorithm.</li>
-
-		<li>Split the decimal number into groups of four digits, starting with 
-		the least significant digit.</li>
-
-		<li>Ignoring groups that have the value 0, append the second group marker 
-		to the second group, the third group marker to the third group, and the 
-		fourth group marker to the fourth group.  The first group has no marker.</li>
-
-		<li>For each group, ignoring digits that have the value 0, append the 
-		second digit marker to the second digit, the third digit marker to the 
-		third digit, and the fourth digit marker to the fourth digit. The first 
-		digit has no marker.</li>
-
-		<li>If the second, third, or fourth digit of any group is a 1, remove
-		the 1 (leave the digit marker).  If the first digit of the second group
-		is a 1 and all other digits of the second group are 0, remove the 1 
-		(leave the group marker).  If any digit was a 0, remove it.</li>
-
-		<li>Concatenate the groups back into a single string, least significant
-		group first (on the right), with a space (" " U+0020) inserted between
-		each group.</li>
-
-		<li>Replace each digit with the relevant character from the counter style's
-		table, below.</li>
-	</ol>
-
-	<p>The following tables define the characters used in the Korean counter
-	styles:</p>
-
-	<dl>
-		<dt><dfn>korean-hangul-financial</dfn></dt>
+		<dt><dfn>korean-hangul-formal</dfn></dt>
 		<dd>
 			<table>
 				<thead>
@@ -936,7 +903,7 @@
 			</table>
 		</dd>
 
-		<dt><dfn>korean-hanja-financial</dfn></dt>
+		<dt><dfn>korean-hanja-formal</dfn></dt>
 		<dd>
 			<table>
 				<thead>
@@ -998,6 +965,13 @@
 		</dd>
 	</dl>
 
+	<p class=note>Note: Chinese, Japanese, and Korean spoken-out numbering (what
+	this section defines) is actually defined up to 10<sup>72</sup>. Numbers 
+	higher than 10<sup>16</sup> are usually written in scientific notation,
+	however, and there is some variation in the group markers used for such numbers,
+	so the algorithm has been intentionally defined only to 10<sup>16</sup>.</p>
+
+
 <!-- ====================================================================== -->
 
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Received on Thursday, 21 April 2011 23:42:07 GMT

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