Issue 4786: fee.fi = 0 was interpreted as as fee = 0 for undefined fee

If fee had been defined previously, the behavior became more sensible,
treating fee as an alist with a value of 0 for key fi.  This is now
always the case.

diff --git a/lily/lily-lexer.cc b/lily/lily-lexer.cc
index b6cbda7f976160ee0b9cd5f0463a446eee9aa686..221d048cc00aa9a0f67f2f963b5932a43475328d 100644 (file)
--- a/lily/lily-lexer.cc
+++ b/lily/lily-lexer.cc
@@ -285,6 +285,8 @@ Lily_lexer::set_identifier (SCM path, SCM val)
           SCM prev = ly_module_lookup (mod, sym);
           if (scm_is_true (prev))
             val = nested_property_alist (scm_variable_ref (prev), path, val);
+          else
+            val = nested_create_alist (path, val);
         }
       scm_module_define (mod, sym, val);
     }