- From: poot <cvsmail@w3.org>
- Date: Sun, 18 Oct 2009 18:07:26 +0900 (JST)
- To: public-html-diffs@w3.org
hixie: Update the requirements on <meter> and <progress> contents to fix
reported problems. (whatwg r4163)
http://dev.w3.org/cvsweb/html5/spec/Overview.html?r1=1.3309&r2=1.3310&f=h
http://html5.org/tools/web-apps-tracker?from=4162&to=4163
===================================================================
RCS file: /sources/public/html5/spec/Overview.html,v
retrieving revision 1.3309
retrieving revision 1.3310
diff -u -d -r1.3309 -r1.3310
--- Overview.html 18 Oct 2009 08:13:02 -0000 1.3309
+++ Overview.html 18 Oct 2009 09:07:09 -0000 1.3310
@@ -2668,10 +2668,10 @@
DIGIT NINE (9), and assign this string of one or more characters to
<var title="">string</var>.</li>
- <li>If <var title="">string</var> consists of just a single U+002E
- FULL STOP character or if it contains more than one U+002E FULL
- STOP character then return an error condition and abort these
- steps.</li>
+ <li>If the first character of <var title="">string</var> is a
+ U+002E FULL STOP character, or if <var title="">string</var>
+ contains more than one U+002E FULL STOP character, then return an
+ error condition and abort these steps.</li>
<li>Parse <var title="">string</var> according to the <a href="#rules-for-parsing-floating-point-number-values">rules
for parsing floating point number values</a>, to obtain <var title="">number</var>. This step cannot fail (<var title="">string</var> is guaranteed to be a <a href="#valid-floating-point-number">valid floating
@@ -14853,13 +14853,65 @@
be called by some other code on the page to update the actual
progress bar as the task progressed.)</p>
</div><p><span class="impl"><strong>Author requirements</strong>:</span>
- The <code title="attr-progress-max"><a href="#attr-progress-max">max</a></code> and <code title="attr-progress-value"><a href="#attr-progress-value">value</a></code> attributes, when present,
- must have values that are <a href="#valid-floating-point-number" title="valid floating point
- number">valid floating point numbers</a>. The <code title="attr-progress-max"><a href="#attr-progress-max">max</a></code> attribute, if present, must
- have a value greater than zero. The <code title="attr-progress-value"><a href="#attr-progress-value">value</a></code> attribute, if present, must
+ The <code><a href="#the-progress-element">progress</a></code> element must match one of the following
+ conditions.<ul><li>Neither the <code title="attr-progress-value"><a href="#attr-progress-value">value</a></code>
+ attribute nor the <code title="attr-progress-max"><a href="#attr-progress-max">max</a></code>
+ attribute is specified, and the element's contents
+ contain no numbers.</li>
+
+ <li>Neither the <code title="attr-progress-value"><a href="#attr-progress-value">value</a></code>
+ attribute nor the <code title="attr-progress-max"><a href="#attr-progress-max">max</a></code>
+ attribute is specified, and the element's contents contain one
+ number, optionally followed by a <a href="#valid-denominator-punctuation-character" title="valid denominator
+ punctuation character">denominator punctuation
+ character</a>.</li>
+
+ <li>Neither the <code title="attr-progress-value"><a href="#attr-progress-value">value</a></code>
+ attribute nor the <code title="attr-progress-max"><a href="#attr-progress-max">max</a></code>
+ attribute is specified, and the element's contents contain two
+ numbers, neither followed by a <a href="#valid-denominator-punctuation-character" title="valid denominator
+ punctuation character">denominator punctuation
+ character</a>.</li>
+
+ <li>The <code title="attr-progress-value"><a href="#attr-progress-value">value</a></code> attribute is
+ not specified but the <code title="attr-progress-max"><a href="#attr-progress-max">max</a></code>
+ attribute is specified, and the element's contents
+ contain one number that is not followed by a <a href="#valid-denominator-punctuation-character" title="valid
+ denominator punctuation character">denominator punctuation
+ character</a>.</li>
+
+ <li>The <code title="attr-progress-value"><a href="#attr-progress-value">value</a></code> attribute
+ and the <code title="attr-progress-max"><a href="#attr-progress-max">max</a></code> attribute are
+ both specified. (The contents of the element are ignored.)</li>
+
+ </ul><p>For the purposes of these requirements, a number is a sequence of
+ characters in the range U+0030 DIGIT ZERO (0) to U+0039 DIGIT NINE
+ (9), optionally including a single U+002E FULL STOP character (.) in
+ some position after the first digit, interpreted as a base ten
+ number. Numbers must be separated from other numbers by at least one
+ character that isn't any of the aforementioned. In addition, if the
+ element is required to contain numbers, then the contents of the
+ element must not contain any U+002E FULL STOP characters (.) that
+ aren't part of numbers.<p>A number if said to be followed by a <a href="#valid-denominator-punctuation-character" title="valid
+ denominator punctuation character">denominator punctuation
+ character</a> if it is followed by zero or more
+ <a href="#white_space">White_Space</a> characters and a <a href="#valid-denominator-punctuation-character">valid denominator
+ punctuation character</a>.<p>The contents of the element consist of the concatenation of
+ the <a href="#text-node" title="text node">text nodes</a> of all the descendants
+ of the element, in <a href="#tree-order">tree order</a>.<p>The <code title="attr-progress-value"><a href="#attr-progress-value">value</a></code> and <code title="attr-progress-max"><a href="#attr-progress-max">max</a></code> attributes, when present, must
+ have values that are <a href="#valid-floating-point-number" title="valid floating point number">valid
+ floating point numbers</a>. The <code title="attr-progress-value"><a href="#attr-progress-value">value</a></code> attribute, if present, must
have a value equal to or greater than zero, and less than or equal
to the value of the <code title="attr-progress-max"><a href="#attr-progress-max">max</a></code>
- attribute, if present, or 1, otherwise.<p class="note">The <code><a href="#the-progress-element">progress</a></code> element is the wrong
+ attribute, if present, or 1.0, otherwise. If the <code title="attr-progress-value"><a href="#attr-progress-value">value</a></code> attribute is not present,
+ but the element's contents contain a number, then the value of the
+ first number in the element's contents must be less than or equal to
+ the value of the second number in the element's contents, if any, or
+ the <a href="#values-associated-with-denominator-punctuation-characters" title="values associated with denominator punctuation
+ characters">value associated with the denominator punctuation
+ character</a> that follows the first number in the element's
+ contents, if any, or 1.0, otherwise. The <code title="attr-progress-max"><a href="#attr-progress-max">max</a></code> attribute, if present, must
+ have a value greater than zero.<p class="note">The <code><a href="#the-progress-element">progress</a></code> element is the wrong
element to use for something that is just a gauge, as opposed to
task progress. For instance, indicating disk space usage using
<code><a href="#the-progress-element">progress</a></code> would be inappropriate. Instead, the
@@ -14875,7 +14927,8 @@
<code>textContent</code> of the <code><a href="#the-progress-element">progress</a></code> element in
question using the <a href="#steps-for-finding-one-or-two-numbers-of-a-ratio-in-a-string">steps for finding one or two numbers of a
ratio in a string</a>. These steps will return nothing, one
- number, one number with a denominator punctuation character, or two
+ number, one number with a <a href="#valid-denominator-punctuation-character" title="valid denominator punctuation
+ character">denominator punctuation character</a>, or two
numbers.</p>
<p>Using the results of this processing, user agents must determine
@@ -14903,8 +14956,8 @@
<li>Otherwise, if neither attribute is included, then, if the
<code>textContent</code> contained one number with an associated
- denominator punctuation character, then the maximum value is the
- <a href="#values-associated-with-denominator-punctuation-characters" title="values associated with denominator punctuation
+ <a href="#valid-denominator-punctuation-character" title="valid denominator punctuation character">denominator
+ punctuation character</a>, then the maximum value is the <a href="#values-associated-with-denominator-punctuation-characters" title="values associated with denominator punctuation
characters">value associated with that denominator punctuation
character</a>; otherwise, if the <code>textContent</code>
contained two numbers, the maximum value is the higher of the two
@@ -14919,7 +14972,8 @@
<li>Otherwise if the <code title="attr-progress-value"><a href="#attr-progress-value">value</a></code>
attribute is absent and the <code title="attr-progress-max"><a href="#attr-progress-max">max</a></code> attribute is present, then, if
the <code>textContent</code> was parsed and found to contain just
- one number, with no associated denominator punctuation character,
+ one number, with no associated <a href="#valid-denominator-punctuation-character" title="valid denominator
+ punctuation character">denominator punctuation character</a>,
then the current value is that number. Otherwise, if the <code title="attr-progress-value"><a href="#attr-progress-value">value</a></code> attribute is absent and
the <code title="attr-progress-max"><a href="#attr-progress-max">max</a></code> attribute is present
then the current value is zero.</li>
@@ -15036,12 +15090,14 @@
be less than or equal to the value of the <code title="attr-meter-high"><a href="#attr-meter-high">high</a></code> attribute.</p>
<p>The numbers in the contents of the element must not be followed
- by denomination punctuation characters.</p>
+ by a <a href="#valid-denominator-punctuation-character" title="valid denominator punctuation
+ character">denominator punctuation character</a>.</p>
</dd>
- <dt>There is exactly one number followed by a denomination
- punctuation character in the contents of the element, and the <code title="attr-meter-value"><a href="#attr-meter-value">value</a></code>, <code title="attr-meter-min"><a href="#attr-meter-min">min</a></code>, and <code title="attr-meter-max"><a href="#attr-meter-max">max</a></code> attributes are all omitted</dt>
+ <dt>There is exactly one number followed by a <a href="#valid-denominator-punctuation-character" title="valid
+ denominator punctuation character">denominator punctuation
+ character</a> in the contents of the element, and the <code title="attr-meter-value"><a href="#attr-meter-value">value</a></code>, <code title="attr-meter-min"><a href="#attr-meter-min">min</a></code>, and <code title="attr-meter-max"><a href="#attr-meter-max">max</a></code> attributes are all omitted</dt>
<dd>
@@ -15079,8 +15135,10 @@
attribute is specified, then the <var title="">maximum</var> is
that attribute's value; otherwise, it is 1.</p>
- <p>If there is exactly one number in the contents of the element,
- then <var title="">value</var> is that number; otherwise, <var title="">value</var> is the value of the <code title="attr-meter-value"><a href="#attr-meter-value">value</a></code> attribute.</p>
+ <p>If the <code title="attr-meter-value"><a href="#attr-meter-value">value</a></code> attribute is
+ specified, then the <var title="">value</var> is that attribute's
+ number; otherwise, there is exactly one number in the contents of
+ the element, and the <var title="">value</var> is that number.</p>
<p>The following inequalities must hold, as applicable:</p>
@@ -15092,8 +15150,12 @@
the <code title="attr-meter-low"><a href="#attr-meter-low">low</a></code> attribute's value must
be less than or equal to the value of the <code title="attr-meter-high"><a href="#attr-meter-high">high</a></code> attribute.</p>
- <p>If there is a number in the contents of the element, it must
- not be followed by a denominator punctuation character.</p>
+ <p>If the <code title="attr-meter-value"><a href="#attr-meter-value">value</a></code> attribute is
+ not specified, the number in the contents of the element must not
+ be followed by a <a href="#valid-denominator-punctuation-character" title="valid denominator punctuation
+ character">denominator punctuation character</a>. (Otherwise,
+ there is no restriction on what numbers can be in the contents of
+ the element.)</p>
</dd>
@@ -15102,9 +15164,10 @@
(9), optionally including a single U+002E FULL STOP character (.) in
some position after the first digit, interpreted as a base ten
number. Numbers must be separated from other numbers by at least one
- character that isn't any of the aforementioned. In addition, the
- contents of the element must not contain any U+002E FULL STOP
- characters (.) that aren't part of numbers.<p>A number if said to be followed by a <a href="#valid-denominator-punctuation-character" title="valid
+ character that isn't any of the aforementioned. In addition, if the
+ element is required to contain numbers, then the contents of the
+ element must not contain any U+002E FULL STOP characters (.) that
+ aren't part of numbers.<p>A number if said to be followed by a <a href="#valid-denominator-punctuation-character" title="valid
denominator punctuation character">denominator punctuation
character</a> if it is followed by zero or more
<a href="#white_space">White_Space</a> characters and a <a href="#valid-denominator-punctuation-character">valid denominator
@@ -15166,8 +15229,8 @@
been omitted, the user agent must also process the
<code>textContent</code> of the element according to the <a href="#steps-for-finding-one-or-two-numbers-of-a-ratio-in-a-string">steps
for finding one or two numbers of a ratio in a string</a>. These
- steps will return nothing, one number, one number with a denominator
- punctuation character, or two numbers.</p>
+ steps will return nothing, one number, one number with a <a href="#valid-denominator-punctuation-character" title="valid denominator punctuation character">denominator
+ punctuation character</a>, or two numbers.</p>
<p>User agents must then use all these numbers to obtain values for
six points on the gauge, as follows. (The order in which these are
@@ -15199,14 +15262,16 @@
<code title="attr-meter-min"><a href="#attr-meter-min">min</a></code>, and <code title="attr-meter-value"><a href="#attr-meter-value">value</a></code> attributes were
specified. If the result of processing the
<code>textContent</code> of the element was either nothing or just
- one number with no denominator punctuation character, then the
+ one number with no <a href="#valid-denominator-punctuation-character" title="valid denominator punctuation
+ character">denominator punctuation character</a>, then the
maximum value is 1; if the result was one number but it had an
- associated denominator punctuation character, then the maximum
- value is the <a href="#values-associated-with-denominator-punctuation-characters" title="values associated with denominator
- punctuation characters">value associated with that denominator
- punctuation character</a>; and finally, if there were two
- numbers parsed out of the <code>textContent</code>, then the
- maximum is the higher of those two numbers.</p>
+ associated <a href="#valid-denominator-punctuation-character" title="valid denominator punctuation
+ character">denominator punctuation character</a>, then the
+ maximum value is the <a href="#values-associated-with-denominator-punctuation-characters" title="values associated with
+ denominator punctuation characters">value associated with that
+ denominator punctuation character</a>; and finally, if there
+ were two numbers parsed out of the <code>textContent</code>, then
+ the maximum is the higher of those two numbers.</p>
<p>If the above machinations result in a maximum value less than
the minimum value, then the maximum value is actually the same as
@@ -15226,15 +15291,17 @@
not specified but the <code title="attr-meter-max"><a href="#attr-meter-max">max</a></code>
attribute <em>is</em> specified and the result of processing the
<code>textContent</code> of the element was one number with no
- associated denominator punctuation character, then that number is
- the actual value.</p>
+ associated <a href="#valid-denominator-punctuation-character" title="valid denominator punctuation
+ character">denominator punctuation character</a>, then that
+ number is the actual value.</p>
<p>If neither of the <code title="attr-meter-value"><a href="#attr-meter-value">value</a></code>
and <code title="attr-meter-max"><a href="#attr-meter-max">max</a></code> attributes are
specified, then, if the result of processing the
<code>textContent</code> of the element was one number (with or
- without an associated denominator punctuation character), then
- that is the actual value, and if the result of processing the
+ without an associated <a href="#valid-denominator-punctuation-character" title="valid denominator punctuation
+ character">denominator punctuation character</a>), then that is
+ the actual value, and if the result of processing the
<code>textContent</code> of the element was two numbers, then the
actual value is the lower of the two numbers found.</p>
Received on Sunday, 18 October 2009 09:07:59 UTC