[css2] Edited issues 13, 25, 27, 8, 17

--HG--
extra : convert_revision : svn%3A73dc7c4b-06e6-40f3-b4f7-9ed1dbc14bfc/trunk%402643

Author: bert-github

css2/box.html

@@ -443,7 +443,7 @@ <H3>8.3.1 <a name="collapsing-margins">Collapsing margins</a></H3>
 
 <p>An element's own margins are adjoining if the <a href="visudet.html#propdef-min-height" class="noxref"><span
 class="propinst-min-height">'min-height'</span></a> property is zero, and
-it has neither vertical borders nor vertical padding, and it has a
+it has neither top or bottom borders nor top or bottom padding, and it has a
 <a href="visudet.html#propdef-height" class="noxref"><span class="propinst-height">'height'</span></a> of either 0 or 'auto',
 and it does not contain a line box, and all of its in-flow children's
 margins (if any) are adjoining.</p>

css2/conform.html

@@ -150,16 +150,16 @@ <H2 id=defs><a name="q1">3.1 Definitions</a></H2>
 <a name="replaced-element">Replaced
 element</a></span></strong>
 
-<dd><p>An element that is outside the scope of the CSS formatter, such
-as an image, embedded document, or applet. For example, the content of
-the HTML IMG element is often replaced by the image that its "src"
-attribute designates. Replaced elements often have intrinsic
-dimensions: an intrinsic width, an intrinsic height, and an intrinsic
-ratio. For example, a bitmap image has an intrinsic width and an
-intrinsic height specified in absolute units (from which the intrinsic
-ratio can obviously be determined). On the other hand, other documents
-may not have any intrinsic dimensions (for example a blank HTML
-document).
+<dd><p>An element whose content is outside the scope of the CSS
+formatting model, such as an image, embedded document, or applet. For
+example, the content of the HTML IMG element is often replaced by the
+image that its "src" attribute designates. Replaced elements often
+have intrinsic dimensions: an intrinsic width, an intrinsic height,
+and an intrinsic ratio. For example, a bitmap image has an intrinsic
+width and an intrinsic height specified in absolute units (from which
+the intrinsic ratio can obviously be determined). On the other hand,
+other documents may not have any intrinsic dimensions (for example a
+blank HTML document).
 
 <p>User agents may consider a replaced element to not have any
 intrinsic dimensions if it is believed that those dimensions could
@@ -218,9 +218,9 @@ <H2 id=defs><a name="q1">3.1 Definitions</a></H2>
 content</a></span></strong>
 
 <dd>The content of an element after the rendering that applies to it
-according to the relevant style sheets has been applied. The rendered
-content of a <a href="#replaced-element">replaced element</a> comes
-from outside the source document.  Rendered content may also be
+according to the relevant style sheets has been applied. How a
+replaced element's content is rendered is not defined by this
+specification. Rendered content may also be
 alternate text for an element (e.g., the value of the XHTML "alt"
 attribute), and may include items inserted implicitly or explicitly by
 the style sheet, such as bullets, numbering, etc.

css2/css2.html

@@ -1955,16 +1955,16 @@ <H2 id=defs><a name="q1">3.1 Definitions</a></H2>
 <a name="replaced-element">Replaced
 element</a></span></strong>
 
-<dd><p>An element that is outside the scope of the CSS formatter, such
-as an image, embedded document, or applet. For example, the content of
-the HTML IMG element is often replaced by the image that its "src"
-attribute designates. Replaced elements often have intrinsic
-dimensions: an intrinsic width, an intrinsic height, and an intrinsic
-ratio. For example, a bitmap image has an intrinsic width and an
-intrinsic height specified in absolute units (from which the intrinsic
-ratio can obviously be determined). On the other hand, other documents
-may not have any intrinsic dimensions (for example a blank HTML
-document).
+<dd><p>An element whose content is outside the scope of the CSS
+formatting model, such as an image, embedded document, or applet. For
+example, the content of the HTML IMG element is often replaced by the
+image that its "src" attribute designates. Replaced elements often
+have intrinsic dimensions: an intrinsic width, an intrinsic height,
+and an intrinsic ratio. For example, a bitmap image has an intrinsic
+width and an intrinsic height specified in absolute units (from which
+the intrinsic ratio can obviously be determined). On the other hand,
+other documents may not have any intrinsic dimensions (for example a
+blank HTML document).
 
 <p>User agents may consider a replaced element to not have any
 intrinsic dimensions if it is believed that those dimensions could
@@ -2023,9 +2023,9 @@ <H2 id=defs><a name="q1">3.1 Definitions</a></H2>
 content</a></span></strong>
 
 <dd>The content of an element after the rendering that applies to it
-according to the relevant style sheets has been applied. The rendered
-content of a <a href="#replaced-element">replaced element</a> comes
-from outside the source document.  Rendered content may also be
+according to the relevant style sheets has been applied. How a
+replaced element's content is rendered is not defined by this
+specification. Rendered content may also be
 alternate text for an element (e.g., the value of the XHTML "alt"
 attribute), and may include items inserted implicitly or explicitly by
 the style sheet, such as bullets, numbering, etc.
@@ -3048,7 +3048,7 @@ <h3><a name="q15">4.3.1 Integers and real numbers</a></h3>
 be an &lt;integer&gt;, or it can be zero or more digits followed by a
 dot (.) followed by one or more digits. Both integers and real numbers
 may be preceded by a "-" or "+" to indicate the sign.
-</p>
+-0 is equivalent to 0 and is not a negative number.</p>
 
 <p>Note that many properties that allow an integer or real number as a
 value actually restrict the value to some range, often to a
@@ -3475,7 +3475,8 @@ <h3>4.3.6 <a name="color-units">Colors</a></h3>
 details. Note that only colors specified in CSS are affected; e.g.,
 images are expected to carry their own color information.
 </p>
-<p>Values outside the device gamut should be clipped: the red, green,
+<p>Values outside the device gamut should be clipped or
+mapped into the gamut when the gamut is known: the red, green,
 and blue values must be changed to fall within the range supported by
 the device. Users agents may perform higher quality mapping of colors
 from one gamut to another. For a typical CRT monitor, whose device
@@ -3495,10 +3496,9 @@ <h3>4.3.6 <a name="color-units">Colors</a></h3>
 (inside the device gamut), while other colors inside the 0..255 sRGB
 range will be outside the device gamut and will thus be mapped.
 </p>
-<div class=note><p><em><strong>Note.</strong> It is thus not possible
-to simply clip all colors to the range 0..255. Clipping (or mapping)
-must be done to the actual device gamut, which may be larger or
-smaller than 0..255.</em>
+<div class=note><p><em><strong>Note.</strong> Mapping or clipping of
+color values should be done to the actual device gamut if known (which
+may be larger or smaller than 0..255).</em>
 </div>
 
 <h3>4.3.7 <a name="strings">Strings</a></h3>
@@ -6389,7 +6389,7 @@ <H3>8.3.1 <a name="collapsing-margins">Collapsing margins</a></H3>
 
 <p>An element's own margins are adjoining if the <a href="visudet.html#propdef-min-height" class="noxref"><span
 class="propinst-min-height">'min-height'</span></a> property is zero, and
-it has neither vertical borders nor vertical padding, and it has a
+it has neither top or bottom borders nor top or bottom padding, and it has a
 <a href="visudet.html#propdef-height" class="noxref"><span class="propinst-height">'height'</span></a> of either 0 or 'auto',
 and it does not contain a line box, and all of its in-flow children's
 margins (if any) are adjoining.</p>
@@ -12964,11 +12964,11 @@ <h3>13.3.1 <a name="page-break-props">Page break properties</a>: <a href="page.h
 box so that the next page is formatted as a right page.</dd>
 </dl>
 
-<P>Whether the first page of a document is :left or :right depends on
+<p>Whether the first page of a document is :left or :right depends on
 the major writing direction of the document. A conforming user agent
 may interpret the values 'left' and 'right' as 'always'.
 
-<P>A potential page break location is typically under the influence
+<p>A potential page break location is typically under the influence
 of the parent element's <a href="page.html#propdef-page-break-inside" class="noxref"><span
 class="propinst-page-break-inside">'page-break-inside'</span></a>
 property, the <a href="page.html#propdef-page-break-after" class="noxref"><span
@@ -12979,10 +12979,13 @@ <h3>13.3.1 <a name="page-break-props">Page break properties</a>: <a href="page.h
 than 'auto', the values 'always', 'left', and 'right' take precedence
 over 'avoid'.  
 
-<P>User Agents must apply these properties to block-level elements
+<p>User Agents must apply these properties to block-level elements
 in the normal flow of the root element. User agents may also apply
 these properties to other elements, e.g., 'table-row' elements.
 
+<p>When a page break splits a box, the box's margins, borders, and
+padding have no visual effect where the split occurs.
+
 
 <h3>13.3.2 <a name="break-inside">Breaks inside elements</a>: <a href="page.html#propdef-orphans" class="noxref"><span
 class="propinst-orphans">'orphans'</span></a>, <a href="page.html#propdef-widows" class="noxref"><span

css2/page.html

@@ -356,11 +356,11 @@ <h3>13.3.1 <a name="page-break-props">Page break properties</a>: <a href="page.h
 box so that the next page is formatted as a right page.</dd>
 </dl>
 
-<P>Whether the first page of a document is :left or :right depends on
+<p>Whether the first page of a document is :left or :right depends on
 the major writing direction of the document. A conforming user agent
 may interpret the values 'left' and 'right' as 'always'.
 
-<P>A potential page break location is typically under the influence
+<p>A potential page break location is typically under the influence
 of the parent element's <a href="page.html#propdef-page-break-inside" class="noxref"><span
 class="propinst-page-break-inside">'page-break-inside'</span></a>
 property, the <a href="page.html#propdef-page-break-after" class="noxref"><span
@@ -371,10 +371,13 @@ <h3>13.3.1 <a name="page-break-props">Page break properties</a>: <a href="page.h
 than 'auto', the values 'always', 'left', and 'right' take precedence
 over 'avoid'.  
 
-<P>User Agents must apply these properties to block-level elements
+<p>User Agents must apply these properties to block-level elements
 in the normal flow of the root element. User agents may also apply
 these properties to other elements, e.g., 'table-row' elements.
 
+<p>When a page break splits a box, the box's margins, borders, and
+padding have no visual effect where the split occurs.
+
 
 <h3>13.3.2 <a name="break-inside">Breaks inside elements</a>: <a href="page.html#propdef-orphans" class="noxref"><span
 class="propinst-orphans">'orphans'</span></a>, <a href="page.html#propdef-widows" class="noxref"><span

css2/syndata.html

@@ -808,7 +808,7 @@ <h3><a name="q15">4.3.1 Integers and real numbers</a></h3>
 be an &lt;integer&gt;, or it can be zero or more digits followed by a
 dot (.) followed by one or more digits. Both integers and real numbers
 may be preceded by a "-" or "+" to indicate the sign.
-</p>
+-0 is equivalent to 0 and is not a negative number.</p>
 
 <p>Note that many properties that allow an integer or real number as a
 value actually restrict the value to some range, often to a
@@ -1235,7 +1235,8 @@ <h3>4.3.6 <a name="color-units">Colors</a></h3>
 details. Note that only colors specified in CSS are affected; e.g.,
 images are expected to carry their own color information.
 </p>
-<p>Values outside the device gamut should be clipped: the red, green,
+<p>Values outside the device gamut should be clipped or
+mapped into the gamut when the gamut is known: the red, green,
 and blue values must be changed to fall within the range supported by
 the device. Users agents may perform higher quality mapping of colors
 from one gamut to another. For a typical CRT monitor, whose device
@@ -1255,10 +1256,9 @@ <h3>4.3.6 <a name="color-units">Colors</a></h3>
 (inside the device gamut), while other colors inside the 0..255 sRGB
 range will be outside the device gamut and will thus be mapped.
 </p>
-<div class=note><p><em><strong>Note.</strong> It is thus not possible
-to simply clip all colors to the range 0..255. Clipping (or mapping)
-must be done to the actual device gamut, which may be larger or
-smaller than 0..255.</em>
+<div class=note><p><em><strong>Note.</strong> Mapping or clipping of
+color values should be done to the actual device gamut if known (which
+may be larger or smaller than 0..255).</em>
 </div>
 
 <h3>4.3.7 <a name="strings">Strings</a></h3>