mark tokens in data characters as foreign language as they may contain injections (see xml) (WEB-25184)

xml/impl/src/com/intellij/psi/impl/cache/impl/idCache/HtmlIdIndexer.java

@@ -30,4 +30,9 @@ public class HtmlIdIndexer extends LexerBasedIdIndexer {
   static XHtmlFilterLexer createIndexingLexer(OccurrenceConsumer consumer) {
     return new XHtmlFilterLexer(new HtmlHighlightingLexer(FileTypeManager.getInstance().getStdFileType("CSS")), consumer);
   }
+
+  @Override
+  public int getVersion() {
+    return 2;
+  }
 }

xml/xml-psi-impl/src/com/intellij/psi/impl/cache/impl/idCache/XHtmlFilterLexer.java

@@ -40,8 +40,9 @@ public class XHtmlFilterLexer extends BaseFilterLexer {
       advanceTodoItemCountsInToken();
     } else if (tokenType == XmlTokenType.XML_ATTRIBUTE_VALUE_TOKEN ||
         tokenType == XmlTokenType.XML_NAME ||
-        tokenType == XmlTokenType.XML_TAG_NAME
-       ) {
+        tokenType == XmlTokenType.XML_TAG_NAME ||
+        tokenType == XmlTokenType.XML_DATA_CHARACTERS
+      ) {
       scanWordsInToken(UsageSearchContext.IN_PLAIN_TEXT | UsageSearchContext.IN_FOREIGN_LANGUAGES, tokenType ==
                                                                                                    XmlTokenType.XML_ATTRIBUTE_VALUE_TOKEN,
                        false);

xml/xml-psi-impl/src/com/intellij/psi/impl/cache/impl/idCache/XHtmlIdIndexer.java

@@ -29,4 +29,9 @@ public class XHtmlIdIndexer extends LexerBasedIdIndexer {
   static XHtmlFilterLexer createIndexingLexer(OccurrenceConsumer consumer) {
     return new XHtmlFilterLexer(new XHtmlHighlightingLexer(), consumer);
   }
+
+  @Override
+  public int getVersion() {
+    return 2;
+  }
 }