vi: increase length of dipthongs

phsource/ph_vietnam

 	length 240
 	ELIF nextPh(n^) OR nextPh(c) THEN
   length 100
+  ELIF nextPh(N) THEN
+  length 200
   ELSE
   length 140 //200
   ENDIF
   IF thisPh(isFirstVowel) AND thisPh(isFinalVowel) AND thisPh(isWordEnd) THEN
 	length 240
 	ELSE
-	length 140
+	length 200
 	ENDIF
   FMT(vdiph/&i_2)
 endphoneme
   IF thisPh(isFirstVowel) AND thisPh(isFinalVowel) AND thisPh(isWordEnd) THEN
 	length 240
 	ELSE
-	length 140
+	length 200
 	ENDIF
   FMT(vdiph/ei)
 endphoneme
   IF thisPh(isFirstVowel) AND thisPh(isFinalVowel) AND thisPh(isWordEnd) THEN
 	length 240
 	ELSE
-	length 140
+	length 200
 	ENDIF
   FMT(vdiph/eei)
 endphoneme
   IF thisPh(isFirstVowel) AND thisPh(isFinalVowel) AND thisPh(isWordEnd) THEN
 	length 240
 	ELSE
-	length 140
+	length 200
 	ENDIF
   FMT(vdiph/aau_4)
 endphoneme
   IF thisPh(isFirstVowel) AND thisPh(isFinalVowel) AND thisPh(isWordEnd) THEN
 	length 240
 	ELSE
-	length 140
+	length 200
 	ENDIF
   FMT(vdiph/au)
 endphoneme
   IF thisPh(isFirstVowel) AND thisPh(isFinalVowel) AND thisPh(isWordEnd) THEN
 	length 240
 	ELSE
-	length 140
+	length 200
 	ENDIF
   FMT(vdiph/eu)
 endphoneme
   IF thisPh(isFirstVowel) AND thisPh(isFinalVowel) AND thisPh(isWordEnd) THEN
 	length 240
 	ELSE
-	length 140
+	length 200
 	ENDIF
   FMT(vdiph/eeu)
 endphoneme
   IF thisPh(isFirstVowel) AND thisPh(isFinalVowel) AND thisPh(isWordEnd) THEN
 	length 240
 	ELSE
-	length 140
+	length 200
 	ENDIF
   FMT(vdiph2/iu)
 endphoneme
   IF thisPh(isFirstVowel) AND thisPh(isFinalVowel) AND thisPh(isWordEnd) THEN
 	length 240
 	ELSE
-	length 140
+	length 200
 	ENDIF
   FMT(vdiph/@u_3)
 endphoneme
   IF thisPh(isFirstVowel) AND thisPh(isFinalVowel) AND thisPh(isWordEnd) THEN
 	length 240
 	ELSE
-	length 140
+	length 200
 	ENDIF
   FMT(vdiph/@u)
 endphoneme
   IF thisPh(isFirstVowel) AND thisPh(isFinalVowel) AND thisPh(isWordEnd) THEN
 	length 240
 	ELSE
-	length 140
+	length 200
 	ENDIF
   FMT(vdiph2/ii@_3)
 endphoneme
   IF thisPh(isFirstVowel) AND thisPh(isFinalVowel) AND thisPh(isWordEnd) THEN
 	length 240
 	ELSE
-	length 140
+	length 200
 	ENDIF
   FMT(vdiph2/y-y#)
 endphoneme
   IF thisPh(isFirstVowel) AND thisPh(isFinalVowel) AND thisPh(isWordEnd) THEN
 	length 240
 	ELSE
-	length 140
+	length 200
 	ENDIF
   FMT(vdiph2/uu@)
 endphoneme
   IF thisPh(isFirstVowel) AND thisPh(isFinalVowel) AND thisPh(isWordEnd) THEN
 	length 240
 	ELSE
-	length 140
+	length 200
 	ENDIF
   FMT(vnasal/a#u_n)
 endphoneme
   IF thisPh(isFirstVowel) AND thisPh(isFinalVowel) AND thisPh(isWordEnd) THEN
 	length 240
 	ELSE
-	length 140
+	length 200
 	ENDIF
   FMT(vnasal/&u_n)
 endphoneme
   IF thisPh(isFirstVowel) AND thisPh(isFinalVowel) AND thisPh(isWordEnd) THEN
 	length 240
 	ELSE
-	length 140
+	length 200
 	ENDIF
   FMT(vdiph2/oa)
 endphoneme
   IF thisPh(isFirstVowel) AND thisPh(isFinalVowel) AND thisPh(isWordEnd) THEN
 	length 240
 	ELSE
-	length 140
+	length 200
 	ENDIF
   FMT(vietnam/oe)
 endphoneme
   IF thisPh(isFirstVowel) AND thisPh(isFinalVowel) AND thisPh(isWordEnd) THEN
 	length 240
 	ELSE
-	length 140
+	length 200
 	ENDIF
   FMT(vietnam/ie_2)
 endphoneme
   IF thisPh(isFirstVowel) AND thisPh(isFinalVowel) AND thisPh(isWordEnd) THEN
 	length 240
 	ELSE
-	length 140
+	length 200
 	ENDIF
   FMT(vdiph/ooi_3)
 endphoneme