Switch to side-by-side view

--- a/src/index/fetcher.h
+++ b/src/index/fetcher.h
@@ -66,7 +66,8 @@
      * @param idoc the data gathered from the index for this doc (udi/ipath)
      * @param sig output. 
      */
-    virtual bool makesig(RclConfig* cnf, const Rcl::Doc& idoc, string& sig) = 0;
+    virtual bool makesig(RclConfig* cnf, const Rcl::Doc& idoc,
+                         std::string& sig) = 0;
     virtual ~DocFetcher() {}
 };