states/hl/mail.st: Support extended mail headers.

[enscript.git] / states / hl / mail.st

diff --git a/states/hl/mail.st b/states/hl/mail.st
index 822539b..d9565c4 100644 (file)
--- a/states/hl/mail.st
+++ b/states/hl/mail.st
@@ -27,7 +27,7 @@ state mail_header extends Highlight
   END {
     comment_face (true);
   }
-  /:/ {
+  /[ \t:]/ {
     language_print ($0);
     return;
   }