diff -r be7330d9b65c -r b602f0459f17 absyntax_utils/get_sizeof_datatype.cc
--- a/absyntax_utils/get_sizeof_datatype.cc	Tue Jun 12 17:12:09 2012 +0100
+++ b/absyntax_utils/get_sizeof_datatype.cc	Tue Jun 12 17:15:24 2012 +0100
@@ -405,7 +405,7 @@
     /* Assumes ASCII */
     if (!(('0' <= *sval) && ('9' >= *sval)) && 
         !(('A' <= *sval) && ('F' >= *sval)) &&
-        !(('a' <= *sval) && ('b' >= *sval)) &&
+        !(('a' <= *sval) && ('f' >= *sval)) &&
         ! ('_' == *sval))
       ERROR;