[css-inline-3] More cross-linking.

Author: fantasai

css-inline-3/Overview.bs

@@ -84,75 +84,76 @@ Inline Layout Box Model</h2>
 	[=Inline-axis=] [=margins=], [=borders=], and [=padding=]
 	are respected between [=inline-level boxes=]
 	(and their margins do not <a href="https://www.w3.org/TR/CSS2/box.html#collapsing-margins">collapse</a>).
-	The rectangular area that contains the boxes
-	that form a line of [=inline-level content=]
+	The resulting rectangular area that contains the boxes
+	that form a single line of [=inline-level content=]
 	is called a <dfn export>line box</dfn>.
 
 	Note: <a>Line boxes</a> and <a>inline boxes</a> and <a>inline-level boxes</a>
 	are each different things!
 	See [[CSS-DISPLAY-3]] for an in-depth discussion of box types and related terminology.
 
 	[=Line boxes=] are created as needed
-	to hold inline-level content
-	within an inline formatting context.
+	to hold [=inline-level=] content
+	within an [=inline formatting context=].
 	When an [=inline box=] exceeds the [=logical width=] of a [=line box=],
 	or contains a <a spec="css-text-3">forced line break</a>,
 	it is split (see [[css-text-3#line-breaking]])
 	into several [=fragments=] [[css-break-3]],
-	which are distributed across multiple line boxes.
+	which are distributed across multiple [=line boxes=].
 	Like [=column boxes=] in [=multi-column layout=] [[CSS-MULTICOL-1]],
 	[=line boxes=] are [=fragmentation containers=]
 	generated by their [=formatting context=],
 	and are not part of the CSS [=box tree=].
 
-	Note: Inline boxes can also be <a href="https://www.w3.org/TR/css-writing-modes-3/#bidi-box-model">split into several fragments
+	Note: [=Inline boxes=] can also be
+	<a href="https://www.w3.org/TR/css-writing-modes-3/#bidi-box-model">split into several fragments
 	within the same line box due to bidirectional text processing</a>.
 	See [[CSS-WRITING-MODES-3]].
 
-	Line boxes are stacked
+	[=Line boxes=] are stacked
 	as the direct contents of the [=block container box=]
 	in the [=block flow direction=]
 	and aligned within this container as specified by 'align-content' [[css-align-3]].
 	Thus, an [=inline formatting context=] consists of
-	a stack of line boxes.
-	Line boxes are stacked with no separation
+	a stack of [=line boxes=].
+	[=Line boxes=] are stacked with no separation
 	(except as specified elsewhere,
 	e.g. for [=float=] <a href="https://www.w3.org/TR/CSS2/visuren.html#clearance">clearance</a>)
 	and they never overlap.
 
 	In general,
-	the [=line-left=] edge of a line box touches
+	the [=line-left=] edge of a [=line box=] touches
 	the [=line-left=] edge of its [=containing block=]
 	and the [=line-right=] edge touches
 	the [=line-right=] edge of its [=containing block=],
 	and thus the [=logical width=] of a line box is equal to
 	the <a lt="inner size">inner</a> [=logical width=]
-	of its containing block
+	of its [=containing block=]
 	(i.e. the [=block container=]’s [=content box=]).
 	However, floating boxes or [=initial letter boxes=]
-	can come between the containing block edge and the line box edge,
-	reducing space available to, and thus the [=logical width=],
-	of any such impacted line boxes.
+	can come between the [=containing block=] edge and the [=line box=] edge,
+	reducing the space available to, and thus the [=logical width=],
+	of any such impacted [=line boxes=].
 	(See [[CSS2/visuren#inline-formatting]]/[[CSS2/visuren#floats]]
 	and [[#initial-letter-styling]].)
 
-	Within the line box,
-	inline-level boxes can be aligned
+	Within the [=line box=],
+	[=inline-level boxes=] can be aligned
 	along the [=block axis=]
 	in different ways:
-	their over or under edges can be aligned,
+	their [=line-over|over=] or [=line-under|under=] edges can be aligned,
 	or the baselines of text within them can be aligned.
 	See 'vertical-align' and its longhands.
-	The [=logical height=] of a line box is fitted to its contents
+	The [=logical height=] of a [=line box=] is fitted to its contents
 	by the rules given in [[#line-sizing-property]].
 
-	Line boxes that contain no text,
+	[=Line boxes=] that contain no text,
 	no [=preserved white space=],
 	no [=inline boxes=] with non-zero [=margins=], [=padding=], or [=borders=],
 	and no other [=in-flow=] content
 	(such as [=atomic inlines=] or [=ruby annotations=]),
-	and do not end with a preserved newline
-	must be treated as zero-<a lt="logical height">height</a> line boxes
+	and do not end with a [=forced line break=]
+	must be treated as zero-[=logical height|height=] [=line boxes=]
 	for the purposes of determining the positions of any elements inside of them
 	(such as [=absolutely positioned boxes=]),
 	and must be treated as not existing for any other purpose