* src/vcg.h (graph_s): color, textcolor, bordercolor are now

enum color_e.
* src/print_graph.c (print_graph): Initalize graph.layoutalgorithm
to `normal'.
* src/reader.c (parse_token_decl): Initialize token with tok_eof.
* src/lex.h: Adjust prototype.
(token_t): Add `tok_undef'.
* src/lex.c (struct percent_table_struct): Retval is now a token_t.
(parse_percent_token): Now returns token_t.
Add default statement in switch.
(lex): Separate `c' as an input variable, from the token_t result
part.
(unlexed): Is a token_t.

src/lex.h

@@ -24,6 +24,7 @@
 /* Token-type codes. */
 typedef enum token_e
   {
+    tok_undef,	/* Not defined.  Used to initial token_t vars. */
     tok_eof,
     tok_identifier,
     tok_comma,
@@ -71,6 +72,6 @@ void read_type_name PARAMS ((FILE *fin));
 
 token_t lex PARAMS ((void));
 
-int parse_percent_token PARAMS ((void));
+token_t parse_percent_token PARAMS ((void));
 
 #endif /* !LEX_H_ */