From 7239b8a37a7bca5c1c536d42e26339b6c1bf1aa3 Mon Sep 17 00:00:00 2001
From: Anh Hoang Nguyen <hoanganhA91013@gmail.com>
Date: Thu, 21 Feb 2019 19:03:16 +0700
Subject: [PATCH] vi: add rules for aN and ac

---
 phsource/ph_vietnam | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/phsource/ph_vietnam b/phsource/ph_vietnam
index 8e92e8d7..7716e7f1 100644
--- a/phsource/ph_vietnam
+++ b/phsource/ph_vietnam
@@ -59,7 +59,11 @@ phoneme a
 	ELSE
 	length 140
 	ENDIF
-	  FMT(vowel/a_4)  //a_4)
+	IF nextPh(N) OR nextPh(c) THEN
+	FMT(vnasal/a_n)
+	ELSE
+	FMT(vowel/a_4)  //a_4)
+	ENDIF
 endphoneme
 
 phoneme a: