Sun, 10 Aug 2014 08:27:28 +0100in lvalue, add check for REF() fucntion invocation, and the NULL literal
mjsousa [Sun, 10 Aug 2014 08:27:28 +0100] rev 926
in lvalue, add check for REF() fucntion invocation, and the NULL literal

Sat, 09 Aug 2014 11:22:57 +0100Initialise REF_TO variables to NULL.
mjsousa [Sat, 09 Aug 2014 11:22:57 +0100] rev 925
Initialise REF_TO variables to NULL.