1 files changed, 5 insertions, 0 deletions
diff --git a/build2/scope.hxx b/build2/scope.hxx
index 2be2b3a..028dbce 100644
--- a/build2/scope.hxx
+++ b/build2/scope.hxx
@@ -336,6 +336,11 @@ namespace build2
       // directory (i.e., the calling code does not know what it is dealing
       // with), so let's use the whole path.
       //
+      // In fact, ideally, we should have used path_map instead of
+      // dir_path_map to be able to search for both paths without any casting
+      // (and copies). But currently we have too much stuff pointing to the
+      // key.
+      //
       return find (path_cast<dir_path> (p));
     }