[css-writing-modes] Fix regeneration bug

Author: fantasai

bin/regenerate

@@ -1,3 +1,3 @@
 curl -u user:pass $1 -F file=@Overview.src.html -F group=CSS -F output=html -F method=file https://www.w3.org/Style/Group/process.cgi -o Overview.html
-perl -pi -e 's/([\#"=])lt(.*?)gt/\1\2/g' Overview.html
+perl -pi -e 's/([\#"=])lt([a-z-]+)gt/\1\2/g' Overview.html
 

css-writing-modes/Overview.html

@@ -984,7 +984,7 @@ <h3 id=bidi-example><span class=secno>2.3. </span> Example of Bidirectional
   &lt;para&gt;HEBREW1 HEBREW2 english3 HEBREW4 HEBREW5&lt;/para&gt;
   &lt;para&gt;HEBREW6 &lt;emphasis&gt;HEBREW7&lt;/emphasis&gt; HEBREW8&lt;/para&gt;
 &lt;/section&gt;
-&lt;section dir=r&;
+&lt;section dir=ltr&gt;
   &lt;para&gt;english9 english10 english11 HEBREW12 HEBREW13&lt;/para&gt;
   &lt;para&gt;english14 english15 english16&lt;/para&gt;
   &lt;para&gt;english17 &lt;quote dir=rtl&gt;HEBREW18 english19 HEBREW20&lt;/quote&gt;&lt;/para&gt;