[css-inline-3] Only inline-axis mbp prevents a line from being invisible w3c#9344

Author: fantasai

css-inline-3/Overview.bs

@@ -247,7 +247,7 @@ Layout Within Line Boxes</h3>
 
 	[=Line boxes=] that contain no text,
 	no [=preserved white space=],
-	no [=inline boxes=] with non-zero [=margins=], [=padding=], or [=borders=],
+	no [=inline boxes=] with non-zero inline-axis [=margins=], [=padding=], or [=borders=],
 	and no other [=in-flow=] content
 	(such as [=atomic inlines=] or [=ruby annotations=]),
 	and do not end with a [=forced line break=]