From 91a0e1fbe110cd7a5c69506e16888376e380b53a Mon Sep 17 00:00:00 2001
From: Daniel Friesel <derf@finalrewind.org>
Date: Thu, 15 Oct 2015 16:06:02 +0200
Subject: shorten_destination: add special case for Düsseldorf (prefix "D-",
 not "Düsseldorf")
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---
 index.pl | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/index.pl b/index.pl
index afa3c27..4951878 100644
--- a/index.pl
+++ b/index.pl
@@ -207,6 +207,10 @@ sub shorten_destination {
 		$dest =~ s{ ^ $city \s }{}ix;
 	}
 
+	if ( $city =~ m{ ^ ( D | Duesseldorf | Düsseldorf ) $ }ix ) {
+		$dest =~ s{ ^ D - }{}ix;
+	}
+
 	if ( length($dest) > 20 ) {
 		     $dest =~ s{^Dortmund}{DO}
 		  or $dest =~ s{^Duisburg}{DU}
-- 
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