[css-writing-modes-4] Fix links.

Author: fantasai

css-writing-modes-3/Overview.bs

@@ -2,8 +2,7 @@
 Title: CSS Writing Modes Level 3
 Shortname: css-writing-modes
 Level: 3
-Status: CR
-Deadline: 2018-01-03
+Status: ED
 Test Suite: http://test.csswg.org/suites/css-writing-modes-3_dev/nightly-unstable/
 Work Status: Testing
 Group: csswg

css-writing-modes-4/Overview.bs

@@ -152,7 +152,7 @@ Module Interactions</h3>
   are broadly able to influence the computed values of other, unrelated properties
   through calculations such as
   the computation of <a>font-relative lengths</a>
-  or the cascade of <a>flow-relative properties</a>
+  or the cascade of <a href="http://www.w3.org/TR/css-logical-1/">flow-relative properties</a>
   which purposefully depend on the computed <a>writing mode</a>
   or on font metrics that can depend on the <a>writing mode</a>.
 
@@ -1102,7 +1102,7 @@ Baseline Alignment</h3>
       alphabetic, then the child's alphabetic baseline is matched to the
       parent's alphabetic baseline, even if the child's dominant baseline
       is something else.)
-      For values of ''sub'', ''super'', ''&lt;length&gt;'', and
+      For values of ''vertical-align/sub'', ''vertical-align/super'', ''&lt;length&gt;'', and
       ''&lt;percentage&gt;'', the baselines are aligned as for ''vertical-align/baseline'',
       but the child is shifted according to the offset given by its
       'vertical-align' value.