[HTML] Restore the minus sign before the default value of tabIndex getter whatwg/html@29a0ff5

Author: triple-underscore

HTML-interaction-ja.html

@@ -118,8 +118,8 @@
 
 ●●options
 
-spec_date:2025-09-30
-trans_update:2025-10-01
+spec_date:2026-02-27
+trans_update:2026-02-28
 source_checked:240603
 page_state_key:HTML
 spec_status:LS
@@ -5475,7 +5475,7 @@ <h4 title="The tabindex attribute">6.6.3. `tabindex^a 属性</h4>
 	<li>
 ~RET ［
 コレは次に挙げるいずれかの要素であるならば 0 ／
-~ELSE_ 1
+~ELSE_ −1
 ］
 ⇒＃
 `a$e,
@@ -5490,7 +5490,7 @@ <h4 title="The tabindex attribute">6.6.3. `tabindex^a 属性</h4>
 ~SVG `a＠~SVGlinking#elementdef-a$e,
 `親~details用の~summary$
 ◎
-Return 0 if this is an a, area, button, frame, iframe, input, object, select, textarea, or SVG a element, or is a summary element that is a summary for its parent details; otherwise 1.
+Return 0 if this is an a, area, button, frame, iframe, input, object, select, textarea, or SVG a element, or is a summary element that is a summary for its parent details; otherwise −1.
 </li>
 </ol>
 

index.html

@@ -380,7 +380,7 @@ <h2>日本語訳ページ一覧</h2>
 HTML
 <a id="spec-list-html" href="#spec-list-html">¶</a>
 <p>
-（原文日付：<time>2026-02-25</time>
+（原文日付：<time>2026-02-27</time>
 — <small>
 個々のページに示される これより過去の原文日付は、
 この日付まで，概ね（有意な）更新は無いことを表す。