--- radvd-1.1.orig/scanner.l    2007-10-25 22:34:55.000000000 +0200
+++ radvd-1.1/scanner.l 2008-10-09 22:50:15.000000000 +0200
@@ -34,7 +34,7 @@ addr2         {hexdigit}{1,4}(":"{hexdigit}{1,4
 addr3          ({hexdigit}{1,4}":"){7}{hexdigit}{1,4}
 addr           ({addr1}|{addr2}|{addr3}|"::")
 whitespace     ([ \t])+
-string         [a-z]([a-z:._-]|{digit})*([:.]{digit}+)?
+string         [a-zA-Z0-9`~!@#$%\^&*()_\-+=:\[\]<>,\.?\\]{1,15}
 %%

 #.*$                   {/* ignore comments */}