patch 7.4.1154
Problem: No support for JSON.
Solution: Add jsonencode() and jsondecode(). Also add v:false, v:true,
v:null and v:none.
diff --git a/src/globals.h b/src/globals.h
index 4dc0b81..f252aee 100644
--- a/src/globals.h
+++ b/src/globals.h
@@ -1523,6 +1523,7 @@
#ifdef FEAT_EVAL
EXTERN char_u e_readonlyvar[] INIT(= N_("E46: Cannot change read-only variable \"%s\""));
EXTERN char_u e_readonlysbx[] INIT(= N_("E794: Cannot set variable in the sandbox: \"%s\""));
+EXTERN char_u e_emptykey[] INIT(= N_("E713: Cannot use empty key for Dictionary"));
#endif
#ifdef FEAT_QUICKFIX
EXTERN char_u e_readerrf[] INIT(= N_("E47: Error while reading errorfile"));