[Minor] Allow u-labels

diff --git a/src/ragel/smtp_base.rl b/src/ragel/smtp_base.rl
index 26999eb514dad9c039ef7714b87b96db4c66f3cf..9ff2314508a3af68ac33bc0d189fef1d0876ff9f 100644 (file)
--- a/src/ragel/smtp_base.rl
+++ b/src/ragel/smtp_base.rl
@@ -25,7 +25,7 @@
   ctext = 33..39 | 42..91 | 93..126 | UTF8_non_ascii;
 
   dcontent       = 33..90 | 94..126 | UTF8_non_ascii;
-  Let_dig        = alpha | digit;
+  Let_dig        = alpha | digit | UTF8_non_ascii;
   Ldh_str        = ( alpha | digit | "_" | "-" )* Let_dig;
 
   quoted_pairSMTP  = "\\" 32..126;