Merge pull request #17244 from geoffw0/swiftdoc2

Swift: Work around some QHelp rendering issues.

swift/ql/src/queries/Security/CWE-020/IncompleteHostnameRegex.qhelp

@@ -46,7 +46,7 @@
 
 		</p>
 
-		<sample src="IncompleteHostnameRegexBad.swift"/>
+		<sample src="IncompleteHostnameRegexBad.swift" language=""/>
 
 		<p>
 
@@ -63,7 +63,7 @@
 
 		</p>
 
-		<sample src="IncompleteHostnameRegexGood.swift"/>
+		<sample src="IncompleteHostnameRegexGood.swift" language=""/>
 
 	</example>
 

swift/ql/src/queries/Security/CWE-116/BadTagFilter.qhelp

@@ -28,7 +28,7 @@ likely to handle corner cases correctly than a custom implementation.
 The following example attempts to filters out all <code>&lt;script&gt;</code> tags.
 </p>
 
-<sample src="BadTagFilterBad.swift" />
+<sample src="BadTagFilterBad.swift" language="" />
 
 <p>
 The above sanitizer does not filter out all <code>&lt;script&gt;</code> tags.

swift/ql/src/queries/Security/CWE-1333/ReDoS.qhelp

@@ -3,7 +3,7 @@
   <include src="ReDoSIntroduction.inc.qhelp" />
   <example>
     <p>Consider the following regular expression:</p>
-    <sample language="swift">
+    <sample language="">
 /^_(__|.)+_$/</sample>
     <p>
       Its sub-expression <code>"(__|.)+"</code> can match the string
@@ -19,7 +19,7 @@
       the ambiguity between the two branches of the alternative inside the
       repetition:
     </p>
-    <sample language="swift">
+    <sample language="">
 /^_(__|[^_])+_$/</sample>
   </example>
   <include src="ReDoSReferences.inc.qhelp"/>