[css-inline-3] Clean up some issues.

Author: fantasai

css-inline-3/Overview.bs

@@ -38,8 +38,7 @@ spec:css-break-3; type:dfn; text:fragment
 Introduction</h2>
 
 	This module defines [=inline layout=], the CSS model
-	for laying out a mixed, continuous stream of text and [=inline-level=] boxes
-	as a stack of lines that form a “paragraph”,
+	for laying out a mixed stream of text and [=inline-level=] boxes,
 	and defines controls for the [=block-axis=] alignment and sizing
 	of this content within each line.
 	It also adds a [[#initial-letter-styling|special layout mode for drop caps and similar initial letter styling]].
@@ -283,9 +282,6 @@ Baseline Metrics</h3>
 	they must be synthesized,
 	see [[#baseline-tables]] and [[#baseline-synthesis]].
 
-	ISSUE: OpenType lacks top-edge metrics for most writing systems.
-	Also bottom-edge metrics for anything that doesn't match up to either Latin or CJK...
-
 <h4 id="baseline-tables">
 Baseline Tables</h4>
 
@@ -355,7 +351,7 @@ Line Heights and Content Alignment</h2>
 		and boxes with line-box&ndash;relative 'vertical-align' values
 		are aligned with respect to the [=line box=].
 
-		Issue: Define interaction of lien-relative alignment with 'leading-trim'.
+		Issue: Define interaction of line-relative alignment with 'leading-trim'.
 
 	Note: Empty [=inline boxes=] still have
 	[=margins=], [=padding=], [=borders=], and a 'line-height',
@@ -464,12 +460,6 @@ Dominant Baselines: the 'dominant-baseline' property</h3>
 	but maybe it's better not to use those terms for consistency with legacy 'vertical-align'.
 	See GitHub issue <a href="https://github.com/w3c/csswg-drafts/issues/860">860</a>.
 
-	Issue: Add <css>first</css> and <css>last</css> values.
-	Note, in this property, these are combinatorial,
-	whereas in the <css>align/justify-self/content</css> properties, it's singular.
-	Do we want to align the syntaxes wrt hyphens vs. spaces or what?
-	See GitHub issue <a href="https://github.com/w3c/csswg-drafts/issues/861">861</a>.
-
 <h3 id="transverse-alignment">
 Transverse Box Alignment: the 'vertical-align' property</h3>
 
@@ -504,8 +494,6 @@ Alignment Baseline Source: the 'baseline-source' longhand</h4>
 	Animation type: discrete
 	</pre>
 
-	ISSUE: This is a rough draft, not ready for implementation. Also might rename stuff.
-
 	When an inline-level box
 	has more than one possible source for baseline information
 	(such as for a multi-line inline block or inline flex container)
@@ -1385,9 +1373,6 @@ Creating Initial Letters: the 'initial-letter' property</h3>
 	Animation type: by computed value type
 	</pre>
 
-	ISSUE: Renaming this property (and the others in this section)
-	is currently <a href="https://github.com/w3c/csswg-drafts/issues/2950">under discussion</a>.
-
 	This property specifies
 	the <a lt="initial letter size">size</a> and <a lt="initial letter sink">sink</a>
 	for dropped, raised, and sunken initial letters