From db4b815dff392628ec8c693304a184ffb4674a18 Mon Sep 17 00:00:00 2001
From: ntakahas <ntakahas>
Date: Wed, 26 Jul 2006 12:13:28 +0000
Subject: [PATCH] Elaborate category.

---
 THAI-OTF.flt |   51 ++++++++++++++++++++++++++++++++++++---------------
 1 file changed, 36 insertions(+), 15 deletions(-)

diff --git a/THAI-OTF.flt b/THAI-OTF.flt
index 54e26a1..cde7cf9 100644
--- a/THAI-OTF.flt
+++ b/THAI-OTF.flt
@@ -26,21 +26,36 @@
 (category
  ;; C: CONSONANT
  ;; A: SARA-AM
- ;; V: DEPENDENT VOWEL, NIKHAHIT, or YAMAKKAN
+ ;; i: SARA I, SARA U (below vowel 1, above vowel 1)
+ ;; I: SARA II, SARA UEE (above vowel 3)
+ ;; U: MAIHAN-AKAT, SARA UE, SARA UU (above vowel 2, below vowel 2)
+ ;; P: PHINTHU, YAMAKKARN (below diacritic, above diacritic 3)
  ;; T: TONE
- ;; I: OTHER INDEPENDENT
- (0x0E01 0x0E2E	?C)
- (0x0E2F 0x0E32	?I)
- (0x0E31	?V)
+ ;; N: THANTHAKHAT, NIKHAHIT (above diacritic 1)
+ ;; M: MAITAIKHU (above diacritic 2)
+ ;; X: OTHER INDEPENDENT
+ (0x0E01 0x0E23	?C)
+ (0x0E24	?X)
+ (0x0E25	?C)
+ (0x0E26 0x0E2E ?C)
+ (0x0E2F 0x0E30	?X)
+ (0x0E31	?U) ;; av2
+ (0x0E32	?X)
  (0x0E33	?A)
- (0x0E34 0x0E3A	?V)
- (0x0E3F 0x0E46 ?I)
- (0x0E47	?V)
- (0x0E48 0x0E4C	?T)
- (0x0E4D 0x0E4E	?V)
- (0x0E4F 0x0E5B ?I)
-
- (0x25CC	?I))
+ (0x0E34 	?i) ;; av1
+ (0x0E35 	?I) ;; av3
+ (0x0E36	?U) ;; av2
+ (0x0E37 	?I) ;; av3
+ (0x0E38 	?i) ;; bv1
+ (0x0E39 	?U) ;; bv2
+ (0x0E3A	?P) ;; bd
+ (0x0E3F 0x0E46 ?X)
+ (0x0E47	?M) ;; ad2
+ (0x0E48 0x0E4B	?T)
+ (0x0E4C 0x0E4D	?N) ;; ad1
+ (0x0E4E	?P) ;; ad3
+ (0x0E4F 0x0E5B ?X)
+ (0x25CC	?X))
 
 ;; Perform GSUB.  The decomposition of AM is done by hand because it
 ;; requires reordering in addition to decomposition.
@@ -50,9 +65,15 @@
   (cond
    ("(C)(T)?A"
     < | (1 =) 0x0E4D (2 =) 0x0E32 | > )
-   ("CV?T?"
+   ("C[UiI]T"
+    < | = * | > )
+   ("CiN"
+    < | = * | > )
+   ("CIM"
+    < | = * | > )
+   ("C[iIUPTNM]?"
     < | = * | > )
-   ("[VT]"
+   ("[iIUPTNM]"
     < | 0x25CC = | > )
    ("."
     =))
-- 
1.7.10.4