From eeb0a8a6d9a14876d5d8c14cd75196cb3639b86c Mon Sep 17 00:00:00 2001
From: Carl Hetherington <cth@carlh.net>
Date: Mon, 18 Sep 2017 20:30:34 +0100
Subject: [PATCH] Fix unicode prime symbol to become a quotation mark.

---
 src/iso6937.cc       | 4 +++-
 test/iso6937_test.cc | 1 +
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/iso6937.cc b/src/iso6937.cc
index 21637b3..8409f9b 100644
--- a/src/iso6937.cc
+++ b/src/iso6937.cc
@@ -112,8 +112,10 @@ sub::utf16_to_iso6937 (wstring s)
 		} else if (s[i] == 0x2010 || s[i] == 0x2011 || s[i] == 0x2012) {
 			/* Similar story with hyphen, non-breaking hyphen, figure dash */
 			o += '-';
+		} else if (s[i] == 0x2032) {
+			/* And prime */
+			o += '\'';
 		}
-
 	}
 
 	return o;
diff --git a/test/iso6937_test.cc b/test/iso6937_test.cc
index ccb21f2..3abd06d 100644
--- a/test/iso6937_test.cc
+++ b/test/iso6937_test.cc
@@ -41,4 +41,5 @@ BOOST_AUTO_TEST_CASE (utf16_to_iso6937_test)
 	BOOST_CHECK_EQUAL (sub::utf16_to_iso6937 (utf_to_utf<wchar_t> ("All must have çedillas")), "All must have \xCB""cedillas");
 	BOOST_CHECK_EQUAL (sub::utf16_to_iso6937 (utf_to_utf<wchar_t> ("Mötorhead")), "M\xC8otorhead");
 	BOOST_CHECK_EQUAL (sub::utf16_to_iso6937 (utf_to_utf<wchar_t> ("Pass\nnewlines\nthrough")), "Pass\nnewlines\nthrough");
+	BOOST_CHECK_EQUAL (sub::utf16_to_iso6937 (utf_to_utf<wchar_t> ("Ignore prime′s and just use quote's")), "Ignore prime's and just use quote's");
 }
-- 
2.30.2