Merge pull request #2513 from w3c/fix/toc-img

mattgarrish · web-flow · commit a0cb14e1161d · 2023-01-09T13:14:25.000-04:00
Change requirement to use alternative text in nav doc labels to a recommendation
diff --git a/epub33/rs/index.html b/epub33/rs/index.html
@@ -1422,7 +1422,7 @@ <h3>Navigation document processing</h3>
 							data-cite="epub-33#sec-nav-toc"><code>toc nav</code> element</a> [[epub-33]].</p>
 				</li>
 				<li>
-					<p id="confreq-nav-alt-text" data-tests="#nav-non-text_img,#nav-non-text_img_title">MUST, when
+					<p id="confreq-nav-alt-text" data-tests="#nav-non-text_img,#nav-non-text_img_title">SHOULD, when
 						generating non-HTML based navigation widgets, replace unsupported non-text elements in headings
 						and labels with their <a data-cite="epub-33#confreq-nav-a-cnt">alternative text</a> [[epub-33]].
 						If both <code>alt</code> and <code>title</code> attributes are present on an element, preference
@@ -2712,6 +2712,9 @@ <h3>Substantive changes since <a href="https://www.w3.org/TR/2022/CR-epub-rs-33-
 						Recommendation</a></h3>
 
 				<ul>
+					<li>06-Jan-2023: Reduced the requirement to use alternative text for non-text elements in the
+						navigation document to a recommendation due to the lack of support for both. See <a
+							href="https://github.com/w3c/epub-specs/pull/2513">pull request 2513</a>.</li>
 					<li>11-Nov-2022: Added requirement to replace unsupported non-text elements with their text
 						alternatives when generating non-HTML navigation widgets. See <a
 							href="https://github.com/w3c/epub-specs/issues/2477">issue 2477</a>.</li>
