1 files changed, 4 insertions, 0 deletions
diff --git a/src/outputgen.h b/src/outputgen.h
index 15cab68..dbc2351 100644
--- a/src/outputgen.h
+++ b/src/outputgen.h
@@ -314,6 +314,10 @@ class OutputGenerator : public BaseOutputDocInterface
     virtual void endTitleHead(const char *fileName,const char *name) = 0;
     virtual void startIndexList() = 0;
     virtual void endIndexList()   = 0;
+    virtual void startIndexKey() = 0;
+    virtual void endIndexKey()   = 0;
+    virtual void startIndexValue() = 0;
+    virtual void endIndexValue(const char *)   = 0;
     virtual void startAlphabeticalIndexList() = 0;
     virtual void endAlphabeticalIndexList() = 0;
     virtual void writeIndexHeading(const char *s) = 0;