[css-inline-3] Use glyph outline consistently. w3c#885 (comment)

Author: fantasai

css-inline-3/Overview.bs

@@ -2300,7 +2300,8 @@ Initial Letter Wrapping: the 'initial-letter-wrap' property</h3>
 		<dd>
 			For each line of text impacted by the [=initial letter=],
 			the [=line box=] adjacent to the [=initial letter=] starts
-			at the start-most point that touches the ink of the initial letter.
+			at the [=start=]-most point that does not overlap
+			the [=initial letter=]’s glyph outline.
 
 			If the value of ''shape-outside'' is not ''none'',
 			''shape-outside'' is used instead of the glyph outline.