[css-page-3] Fix links

Author: fantasai

css-page-3/Overview.html

@@ -805,7 +805,7 @@ <h4 class="heading settled" data-level="4.2.3" id="blank-pseudo"><span class="se
    <div class="note" role="note"> <em><strong>Note.</strong> Future versions of CSS may include other page
 pseudo-classes.</em> </div>
    <h3 class="heading settled" data-level="4.3" id="syntax-page-selector"><span class="secno">4.3. </span><span class="content">@page rule grammar</span><a class="self-link" href="#syntax-page-selector"></a></h3>
-   <p><a class="css" data-link-type="maybe" href="#at-ruledef-page" id="ref-for-at-ruledef-page⑧">@page</a> rules are <a data-link-type="dfn" href="https://www.w3.org/TR/css-syntax-3/#css-parse-something-according-to-a-css-grammar" id="ref-for-css-parse-something-according-to-a-css-grammar">parsed</a> according to the following grammar,
+   <p><a class="css" data-link-type="maybe" href="#at-ruledef-page" id="ref-for-at-ruledef-page⑧">@page</a> rules are <a data-link-type="dfn" href="https://drafts.csswg.org/css-syntax-3/#parse-grammar" id="ref-for-css-parse-something-according-to-a-css-grammar">parsed</a> according to the following grammar,
 plus the additional rules noted below:</p>
 <pre class="prod">@page = @page <a class="production" data-link-type="type" href="#typedef-page-selector-list" id="ref-for-typedef-page-selector-list">&lt;page-selector-list></a><a data-link-type="grammar" href="https://www.w3.org/TR/css-values-4/#mult-opt" id="ref-for-mult-opt">?</a> { <a class="production" data-link-type="type" href="https://www.w3.org/TR/css-syntax-3/#typedef-declaration-list" id="ref-for-typedef-declaration-list">&lt;declaration-list></a> }
 <dfn class="dfn-paneled" data-dfn-type="type" data-export id="typedef-page-selector-list"><a class="production" data-link-type="type" href="#typedef-page-selector-list" id="ref-for-typedef-page-selector-list①">&lt;page-selector-list></a></dfn> = <a class="production" data-link-type="type" href="#typedef-page-selector" id="ref-for-typedef-page-selector①">&lt;page-selector></a><a data-link-type="grammar" href="https://www.w3.org/TR/css-values-4/#mult-comma" id="ref-for-mult-comma">#</a>
@@ -1071,7 +1071,7 @@ <h3 class="heading settled" data-level="5.1" id="margin-at-rules"><span class="s
 Authors should put these rules after any declarations in the page context
 as legacy clients may not handle declarations
 after margin at-rules correctly.</p>
-   <p>A <dfn class="dfn-paneled" data-dfn-type="dfn" data-noexport id="margin-at-rule">margin at-rule</dfn> is an <a data-link-type="dfn" href="https://www.w3.org/TR/css-syntax-3/#css-at-rule" id="ref-for-css-at-rule">at-rule</a> that identifies the page-margin box
+   <p>A <dfn class="dfn-paneled" data-dfn-type="dfn" data-noexport id="margin-at-rule">margin at-rule</dfn> is an <a data-link-type="dfn" href="https://www.w3.org/TR/css-syntax-3/#at-rule" id="ref-for-css-at-rule">at-rule</a> that identifies the page-margin box
 (e.g. <a class="css" data-link-type="maybe" href="#at-ruledef-top-left" id="ref-for-at-ruledef-top-left②">@top-left</a>) and a block of descriptors
 (said to be in the <dfn class="dfn-paneled" data-dfn-type="dfn" data-export id="margin-context">margin context</dfn>).</p>
    <div class="example" id="example-26a4432a">
@@ -2682,13 +2682,13 @@ <h3 class="no-num no-ref heading settled" id="index-defined-here"><span class="c
    </ul>
   </aside>
   <aside class="dfn-panel" data-for="term-for-css-at-rule">
-   <a href="https://www.w3.org/TR/css-syntax-3/#css-at-rule">https://www.w3.org/TR/css-syntax-3/#css-at-rule</a><b>Referenced in:</b>
+   <a href="https://www.w3.org/TR/css-syntax-3/#at-rule">https://www.w3.org/TR/css-syntax-3/#css-at-rule</a><b>Referenced in:</b>
    <ul>
     <li><a href="#ref-for-css-at-rule">5.1. At-rules for page-margin boxes</a>
    </ul>
   </aside>
   <aside class="dfn-panel" data-for="term-for-css-parse-something-according-to-a-css-grammar">
-   <a href="https://www.w3.org/TR/css-syntax-3/#css-parse-something-according-to-a-css-grammar">https://www.w3.org/TR/css-syntax-3/#css-parse-something-according-to-a-css-grammar</a><b>Referenced in:</b>
+   <a href="https://drafts.csswg.org/css-syntax-3/#parse-grammar">https://drafts.csswg.org/css-syntax-3/#parse-grammar</a><b>Referenced in:</b>
    <ul>
     <li><a href="#ref-for-css-parse-something-according-to-a-css-grammar">4.3. @page rule grammar</a>
    </ul>