[css-ruby-1] Markup fixes

Author: fantasai

css-ruby-1/Overview.bs

@@ -359,7 +359,7 @@ Anonymous Ruby Box Generation</h3>
 			or preserved
 			as described below.
 
-		<li id="anony-gen-trim-space"><strong>Trim leading/trailing white space:</strong>
+		<li id="anon-gen-trim-space"><strong>Trim leading/trailing white space:</strong>
 			Any [=intra-ruby white space=]
 			that is not the sole [=in-flow=] child of its parent
 			and is the first or last [=in-flow=] child of
@@ -458,8 +458,8 @@ Anonymous Ruby Box Generation</h3>
 			<ruby>×<rbc>×<rb></rb>⬕<rb></rb>×</rbc>☒<rtc>×<rt></rt>⬔<rt></rt>×</rtc>◼<rbc>×<rb></rb>…</rtc>×</ruby>
 		</xmp>
 		where
-		* × represents [[#anony-gen-trim-space|discarded leading/trailing white space]]
-		* ☒ represents [[#anon-gen-discard-space|discarded inter-level white space]]
+		* × represents <a href="#anon-gen-trim-space">discarded leading/trailing white space</a>
+		* ☒ represents <a href="#anon-gen-discard-space">discarded inter-level white space</a>
 		* ⬕ represents [=inter-base white space=]
 		* ⬔ represents [=inter-annotation white space=]
 		* ◼ represents [=inter-segment white space=]