[css-inline] Minor tweaks to initial letter: add more info to some issues, tweak wording of sentence, switch from 固 to 因 which is probably less obscure.

Author: fantasai

css-inline/Overview.bs

@@ -1065,6 +1065,9 @@ Raised and sunken caps</h4>
 	</figure>
 
 	Issue: Handle glyph ink above cap height of font.
+	Proposal: Make it an exclusion area for line boxes and border boxes. Include margin specified on initial-letter as part of exclusion area in order to control spacing.
+
+	Issue: Draw a box model diagram here. Does the margin of the initial letter collapse with its container?
 
 
 <h4 id="short-para-initial-letter">
@@ -1108,7 +1111,7 @@ Interaction with floats</h4>
 	Floats always clear an initial letter when floated to the same side.
 	When floated to the opposite side,
 	they are pushed down to clear the initial letter
-	only if they have specified 'clear' to this side
+	only if they have specified 'clear' to the affected side
 	or they do not fit without overlapping the initial letter.
 
 	Issue: Is this the behavior we want? What if the float is on the same line as the initial letter?
@@ -1163,12 +1166,12 @@ Appendix A: Synthesizing Alignment Metrics</h2>
 					can be taken as the ideographic character face edges.
 					In the horizontal dimension,
 					the left and right edges of the nation ideograph (U+56FD “国”)
-					or solid ideograph (U+56FA “固”)
+					or reason ideograph (U+56E0 “因”)
 					can be used.
 					In all cases, the these edges should be measured
 					at their intersection with the central baseline in that axis.
 
-					Issue: Is 国 or 固 more common?
+					Issue: What is the best character to use for the sides?
 
 				<li>
 					The top edge of the center of the Hebrew maqaf (U+05B3 “־”)