From f1cb36dddd59ea8430af367f7498da1062ad0e68 Mon Sep 17 00:00:00 2001
From: Carl Hetherington <cth@carlh.net>
Date: Fri, 12 Aug 2016 10:14:45 +0100
Subject: Forward-port some STL fixes from libsub.

---
 src/iso6937.cc | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

(limited to 'src')

diff --git a/src/iso6937.cc b/src/iso6937.cc
index 2b75116..21637b3 100644
--- a/src/iso6937.cc
+++ b/src/iso6937.cc
@@ -98,6 +98,22 @@ sub::utf16_to_iso6937 (wstring s)
 				}
 			}
 		}
+
+		if (s[i] == 0x201e) {
+			/* ISO6397 does not support German (lower) quotation mark (UTF 0x201e) so use
+			   a normal opening one (0x201c, which is 170 in ISO6937).
+			*/
+			o += (char) 170;
+		} else if (s[i] == 0x2013 || s[i] == 0x2014) {
+			/* ISO6397 does not support en- or em-dashes, so use a horizontal bar (0x2015,
+			   which is 208 in ISO6937).
+			*/
+			o += (char) 208;
+		} else if (s[i] == 0x2010 || s[i] == 0x2011 || s[i] == 0x2012) {
+			/* Similar story with hyphen, non-breaking hyphen, figure dash */
+			o += '-';
+		}
+
 	}
 
 	return o;
-- 
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