updated for version 7.3.831
Problem: Clumsy to handle the situation that a variable does not exist.
Solution: Add default value to getbufvar() et al. (Shougo Matsushita,
Hirohito Higashi)
diff --git a/src/testdir/test91.ok b/src/testdir/test91.ok
new file mode 100644
index 0000000..8777af8
--- /dev/null
+++ b/src/testdir/test91.ok
@@ -0,0 +1,45 @@
+start:
+1234
+1234
+{'var_num': 1234}
+{'var_num': 1234}
+5678
+{}
+{}
+''
+5678
+0
+0
+'Dance'
+'Dance'
+{'var_str': 'Dance'}
+{'var_str': 'Dance'}
+'Chance'
+{}
+{}
+''
+'Chance'
+0
+0
+[1, 2, 3]
+[1, 2, 3]
+''
+[4, 5, 6, 7]
+[4, 5, 6, 7]
+''
+[4, 5, 6, 7]
+''
+[4, 5, 6, 7]
+{'dict': 'tabwin'}
+{'dict': 'tabwin'}
+{'var_dict': {'dict': 'tabwin'}}
+{'var_dict': {'dict': 'tabwin'}}
+{'dict2': 'newval'}
+{}
+{}
+''
+{'dict2': 'newval'}
+''
+{'dict2': 'newval'}
+''
+1