release: 1.3.52

[lilypond.git] / lily / include / scm-hash.hh

diff --git a/lily/include/scm-hash.hh b/lily/include/scm-hash.hh
index ca63614042e65b3e00664aaab14fba186d57d203..9b71a51d6e87a8fd44f3b0a3fbe5f7f9faf18eeb 100644 (file)
--- a/lily/include/scm-hash.hh
+++ b/lily/include/scm-hash.hh
@@ -30,6 +30,18 @@ typedef map<SCM,SCM, SCM_less> Scm_stl_map;
 
 /**
    auto resizing hash table. This should come from GUILE.
+
+   ALWAYS USE THIS AS VIA A POINTER, i.e.
+
+   class Foo {
+    Scheme_hash_table * tab;
+   };
+
+   and NOT
+
+   class Foo {
+    Scheme_hash_table tab;
+   }
  */
 class Scheme_hash_table :  private Scm_stl_map
 {