Oops. Using %{ %} in the rules (rather than definitions) section of a

lex file has undefined behaviour.  In fact it ends up including the stuff
within the definition of the yylex() function, leading to strange warnings
on gcc-3.4 and compile errors with gcc 4.

dtc-lexer.l

@@ -29,8 +29,6 @@ WS		[ \t\n]
 
 REFCHAR		({PROPCHAR}|{UNITCHAR}|[/@])
 
-%%
-
 %{
 #include "dtc.h"
 
@@ -46,6 +44,8 @@ REFCHAR		({PROPCHAR}|{UNITCHAR}|[/@])
 
 %}
 
+%%
+
 \"[^"]*\"	{
 			DPRINT("String: %s\n", yytext);
 			yylval.data = data_copy_escape_string(yytext+1,