Vary m-070 searches based on whether <match> has children

se/se_epub_lint.py

@@ -3515,7 +3515,15 @@ def lint(self, skip_lint_ignore: bool, allowed_messages: Optional[List[str]] = N
 				if filename.name == "glossary-search-key-map.xml":
 					ebook_flags["has_glossary_search_key_map"] = True
 					# Map the glossary to tuples of the values and whether they’re used (initially false)
-					glossary_usage = list(map(lambda node: (node.get_attr("value"), False), xml_dom.xpath(".//*[@value]")))
+					# If a <match> has no <value> children, its @value must appear in the text
+					# Otherwise, each of its <value> children's @value must appear
+					for match in xml_dom.xpath("/search-key-map/search-key-group/match[@value]"):
+						values = match.xpath("./value[@value]")
+						if not values:
+							glossary_usage.append((match.get_attr("value"), False))
+						else:
+							for value in values:
+								glossary_usage.append((value.get_attr("value"), False))
 
 			if filename.suffix == ".xhtml":
 				# Read file contents into a DOM for querying

tests/lint/metadata/m-070/golden/m-070-out.txt

@@ -1,2 +1,3 @@
 m-070 [Error] glossary-search-key-map.xml Glossary entry not found in the text.
         foo
+        pariahsss

tests/lint/metadata/m-070/in/src/epub/glossary-search-key-map.xml

@@ -15,4 +15,10 @@
 	<search-key-group href="text/glossary.xhtml#def">
 		<match value="unsiker"/>
 	</search-key-group>
+	<search-key-group href="text/glossary.xhtml#ghi">
+		<match value="pariah">
+			<value value="pariahs"/>
+			<value value="pariahsss"/>
+		</match>
+	</search-key-group>
 </search-key-map>

tests/lint/metadata/m-070/in/src/epub/text/chapter-1.xhtml

@@ -13,6 +13,7 @@
 			<p>A ’versal truth.</p>
 			<p>An unknown M.O.</p>
 			<p>Unsiker<a href="endnotes.xhtml#note-1" epub:type="noteref">1</a> is an unusual term.</p>
+			<p>Pariahs is plural, but should match.</p>
 		</section>
 	</body>
 </html>