[css-text-decor-4] Fix links

Author: fantasai

css-text-decor-4/Overview.bs

@@ -71,52 +71,52 @@ Determining the Position and Thickness of Line Decorations</h3>
 
 	<p>Since line decorations can span elements with varying font sizes and
 		vertical alignments, the best position for a line decoration is not
-		necessarily the ideal position dictated by the <i>decorating box</i>.
-		Instead, it's calculated, per line, from all text decorated by the <i>decorating box</i> on that line,
+		necessarily the ideal position dictated by the <a>decorating box</a>.
+		Instead, it's calculated, per line, from all text decorated by the <a>decorating box</a> on that line,
 		the <dfn>considered text</dfn>.
-		However, descendants of the <i>decorating box</i>
+		However, descendants of the <a>decorating box</a>
 		that are skipped due to 'text-decoration-skip',
 		descendant inlines with ''text-decoration-skip: ink'',
-		and any descendants that do not participate in the <i>decorating box</i>’s inline formatting context
-		are excluded from the set of <i>considered text</i>.
+		and any descendants that do not participate in the <a>decorating box</a>’s inline formatting context
+		are excluded from the set of <a>considered text</a>.
 
 	<p>
 		The line decoration positions are then calculated
 		per line
 		as follows
-		(treating <a><i>over</i>-positioned underlines</a> as <i>over</i> lines
-		and <a><i>under</i>-positioned overlines</a> as <i>under</i> lines):
+		(treating <a>over</a>-positioned underlines</a> as <a>over</a> lines
+		and <a>under</a>-positioned overlines</a> as <a>under</a> lines):
 
 	<dl>
-		<dt><a href="https://www.w3.org/TR/css-writing-modes/#over"><i>over</i></a> lines
+		<dt><a>over</a> lines
 		<dd>
 			Align the line decoration with respect to the highest
-			<a href="https://www.w3.org/TR/css-writing-modes/#over"><i>over</i></a> EM-box edge
-			of the <i>considered text</i>.
+			<a>over</a> EM-box edge
+			of the <a>considered text</a>.
 
-		<dt><a><i>alphabetic</i></a> underlines
+		<dt><a>alphabetic</a> underlines
 		<dd>
 			<p>The alphabetic underline position is calculated by taking
-			the ideal offset (from the alphabetic baseline) of each run of <i>considered text</i>,
+			the ideal offset (from the alphabetic baseline) of each run of <a>considered text</a>,
 			averaging those, and then using the lowest alphabetic baseline to actually position the line.
-			(Alphabetic baselines can differ between ''baseline''-aligned boxes
+			(Alphabetic baselines can differ between ''vertical-align/baseline''-aligned boxes
 			 if the dominant baseline is non-alphabetic.)
 			To prevent superscripts and subscripts from throwing this position off-kilter,
 			an inline with a non-initial computed 'vertical-align'
 			is treated as having the ideal underline position of its parent.
 
-		<dt>non-alphabetic <a href="https://www.w3.org/TR/css-writing-modes/#under"><i>under</i></a> lines
+		<dt>non-alphabetic <a>under</a> lines
 		<dd>
 			Position the line decoration with respect to the lowest
-			<a href="https://www.w3.org/TR/css-writing-modes/#under"><i>under</i></a> EM-box edge
-			of the <i>considered text</i>.
+			<a>under</a> EM-box edge
+			of the <a>considered text</a>.
 
 		<dt>line-throughs
 		<dd>
 			Line-throughs essentially use the same sort of averaging as for alphabetic underlines,
 			but recompute the position when drawing across a descendant with a different computed 'font-size'.
 			(This ensures that the text remains effectively “crossed out” despite any font size changes.)
-			For each run of <i>considered text</i> with the same 'font-size',
+			For each run of <a>considered text</a> with the same 'font-size',
 			compute an ideal position averaged from its font metrics.
 			To prevent superscripts and subscripts from throwing this position off-kilter,
 			an inline with a non-initial computed 'vertical-align'
@@ -129,7 +129,7 @@ Determining the Position and Thickness of Line Decorations</h3>
 				but there doesn't appear to be any way to avoid that which is correct in all instances,
 				and all attempts are worryingly complex.
 				What position should line-throughts adopt over elements that have a different font-size,
-				but no <i>considered text</i>?
+				but no <a>considered text</a>?
 	</dl>
 
 	<p>
@@ -218,7 +218,8 @@ Text Underline Offset: the 'text-underline-offset' property</h3>
 
 	<ul>
 		<li>The line is aligned to the outside of the specified position.
-		    (Below for ''under''/''auto'' positions, above for ''over''.)
+		    (Below for ''text-underline-position/under''/''text-underline-position/auto'' positions,
+		    above for ''text-underline-position/over''.)
 		<li>Positive lengths represent inward distances; negative lengths outward.
 		<li>Automatic adjustments made to accommodate descendant content are maintained;
 			the 'text-underline-offset' is in addition to those.
@@ -229,15 +230,15 @@ Text Underline Offset: the 'text-underline-offset' property</h3>
 	''spelling-error'' or ''grammar-error'',
 	the UA may ignore the value of 'text-underline-position'.
 
-<h3>
+<h3 id="text-decoration-skipping">
 Text Decoration Line Continuity</h3>
 
 <h4 id="text-decoration-skip-property">
 Text Decoration Line Continuity: the 'text-decoration-skip' property</h4>
 
 	<pre class="propdef">
 			Name: text-decoration-skip
-			Value: ''none'' | [ ''objects'' || [ ''spaces'' | [ ''leading-spaces'' || ''trailing-spaces'' ] ] || ''edges'' || ''box-decoration'' ]
+			Value: none | [ objects || [ spaces | [ leading-spaces || trailing-spaces ] ] || edges || box-decoration ]
 			Initial: objects leading-spaces trailing-spaces
 			Applies to: all elements
 			Inherited: yes
@@ -277,14 +278,14 @@ Text Decoration Line Continuity: the 'text-decoration-skip' property</h4>
 
 		<dt><dfn value for="text-decoration-skip">spaces</dfn></dt>
 		<dd>
-			Skip all spacing, i.e. all <i>characters</i> with the Unicode White_Space property [[UAX44]],
+			Skip all spacing, i.e. all <a>typographic character units</a> with the Unicode White_Space property [[UAX44]],
 			plus any adjacent 'letter-spacing' or 'word-spacing'.
 
 		<dt><dfn value for="text-decoration-skip">edges</dfn></dt>
 		<dd>
 			The UA should place the start and end of the line inwards slightly
 			(e.g. by half a line thickness)
-			from the content edge of the <i>decorating box</i> so that,
+			from the content edge of the <a>decorating box</a> so that,
 			e.g. two underlined elements side-by-side do not appear to have a single underline.
 			(This is important in Chinese, where underlining is a form of punctuation.)
 
@@ -301,20 +302,20 @@ Text Decoration Line Continuity: the 'text-decoration-skip' property</h4>
 		<dd>
 			Skip over the box's margin, border, and padding areas.
 			Note that this only has an effect on decorations imposed by an ancestor;
-			a <i>decorating box</i> never draws over its own box decoration.
+			a <a>decorating box</a> never draws over its own box decoration.
 
 		<dt><dfn>leading-spaces</dfn></dt>
 		<dd>
 			Skip all spacing,
-			i.e. all <i>characters</i> with the Unicode White_Space property [[UAX44]]
+			i.e. all <a>typographic character units</a> with the Unicode White_Space property [[UAX44]]
 			and all <a href="https://www.w3.org/TR/css3-text/#word-separator">word separators</a>
 			plus any adjacent 'letter-spacing' or 'word-spacing',
 			when located at the start of the line.
 
 		<dt><dfn>trailing-spaces</dfn></dt>
 		<dd>
 			Skip all spacing,
-			i.e. all <i>characters</i> with the Unicode White_Space property [[UAX44]]
+			i.e. all <a>typographic character units</a> with the Unicode White_Space property [[UAX44]]
 			and all <a href="https://www.w3.org/TR/css3-text/#word-separator">word separators</a>
 			plus any adjacent 'letter-spacing' or 'word-spacing',
 			when located at the end of the line.
@@ -337,8 +338,8 @@ Text Decoration Line Continuity: the 'text-decoration-skip-ink' property</h4>
 
 	<pre class="propdef">
 			Name: text-decoration-skip-ink
-			Value: ''auto'' | ''none''
-			Initial: 'auto'
+			Value: auto | none
+			Initial: ''auto''
 			Applies to: all elements
 			Inherited: yes
 			Percentages: N/A
@@ -364,10 +365,10 @@ Text Decoration Line Continuity: the 'text-decoration-skip-ink' property</h4>
 	</div>
 
 	<div class="issue">
-		Ideographic scripts do not want to skip when 'auto'.
+		Ideographic scripts do not want to skip when ''text-decoration-skip-ink/auto''.
 		How can we define this behavior?
 		Are there more scripts wanting not to skip?
-		Need some normative text describe how 'auto' works.
+		Need some normative text describe how ''text-decoration-skip-ink/auto'' works.
 		See
 		<a href="https://lists.w3.org/Archives/Public/www-style/2017Feb/0069.html">telcon minutes</a>,
 		<a href="https://github.com/w3c/alreq/issues/86">alreq#86</a>,
@@ -389,14 +390,15 @@ Text Decoration Line Continuity: the 'text-decoration-skip-ink' property</h4>
 
 	</dl>
 
-<h2 id="text-shadow-property">Text Shadows: the 'text-shadow' property</h2>
+<h2 id="text-shadow-property">
+Additional Conrols for Text Shadows</h2>
 
 	Level 4 adds a spread radius argument to 'text-shadow',
 	using the same syntax and interpretation as for 'box-shadow',
 	except that corners are always rounded
 	(since the geometry of a glyph is not so simple as a box).
 
-<h2 id="line-decoration">
+<h2 id="emphasis-marks">
 Additional Controls for Emphasis Marks</h2>
 
 	Issue: See also <a href="https://github.com/w3c/csswg-drafts/issues/1892">issue about continuity in size/position</a>.