Merge pull request #1190 from dauwhe/master

discourage unprefixed ssv terms per #1171
w3c · Dec 5, 2018 · f4ee76b · f4ee76b
2 parents fbe96b3 + 073d3e6
commit f4ee76b
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/epub32/spec/epub-contentdocs.html b/epub32/spec/epub-contentdocs.html
@@ -361,8 +361,8 @@ <h4>Vocabulary Association</h4>
 							<h5>Default Vocabulary</h5>
 
 							<p>The default vocabulary for Content Documents is defined to be the [[!EPUB-SSV]].
-								Unprefixed terms that are not part of the [[!EPUB-SSV]] MAY be used, but reading systems
-								have no obligations to support them.</p>
+								Unprefixed terms that are not part of the [[!EPUB-SSV]] MAY be included, but their use is discouraged. 
+								The use of prefixes is the preferred method for adding custom semantics.</p>
 						</section>
 
 						<section id="sec-contentdocs-reserved-prefixes">