en: Use a new /O2/ phoneme for the CLOTH vowel.

dictsource/en_list

@@ -1690,7 +1690,6 @@ diabetes	daI|@b'i:ti:z
 diablo		di:'A:bloU
 diabolo		daI'ab@loU
 diagnose	$3
-//?3 dialog	daI|@lO:g
 dialysis	daI'al@sIs
 diameter	daI'amI2t3
 diaper		daIp3
@@ -2473,7 +2472,7 @@ lorenz		l0r@nts
 los		,l0s          $only
 losing		lu:zIN        // misspell
 loquat		loUkw0t
-?3 lost		lOst
+lost		lO2st
 loudmouth	$alt1
 lugubrious	l@g'u:brI2@s
 lukewarm	lu:kwO@m
@@ -4073,7 +4072,7 @@ Bogotá		bogota	$text
 Bologna		b@loUn;@ $capital
 Boötes		boU'oUti:z
 Boötis		boU'oUtI#s
-?3 Boston	bOst@n
+Boston		bO2st@n
 ?!3 Boulogne	bUl'OIn
 Brisbane	brIsb@n
 Bucharest	bu:ka#r'Est
@@ -5443,8 +5442,7 @@ go               ,goU		$strend2 $only
 goes             %goUz		$strend2 $only
 goeth		goU@T		$u+
 going            ,goUIN		$strend2 $only
-gone             %g0n		$strend2 $only
-?3 gone          %gOn		$strend2 $only
+gone             %gO2n		$strend2 $only
 went             %wEnt		$strend2 $only
 
 do               du:		$verbf

dictsource/en_rules

@@ -4169,7 +4169,7 @@ _it_separ) ate (_  @t
     &t) ling (_    _lIN
     &l) ling (_S4vd IN
         linux      lInVks
-?3   _) lo (gK     lO
+     _) lo (gK     lO2
      @) lo (gous   =l@
         lu (na     lu:
      &) ly (_S2i   l%i
@@ -4532,13 +4532,13 @@ multip) ly         laI
      f) oe (tA     i:
      p) oe (ti     oUE
         oe (ve     ,oU'E
-?3   &) o (ff      O
-?3   _) o (ff      O
-?3   c) o (ff      O
+     &) o (ff      O2
+     _) o (ff      O2
+     c) o (ff      O2
         of (fen    @
         o (ffic    0
         o (ffici   @
-?3      o (ft      O
+        o (ft      O2
         o (gan_    oU
     @l) oge (_     0g
      &) o (gen_    @
@@ -4585,9 +4585,9 @@ multip) ly         laI
     tr) o (jan     oU
         o (ku      oU
         o (ky_     oU
-?3   g) o (ng      O
-?3   r) o (ng      O
-?3   s) o (ng      O
+     g) o (ng      O2
+     r) o (ng      O2
+     s) o (ng      O2
      t) o (ngu     V
         o (que_    oU
         o (shA_    oU
@@ -5023,12 +5023,12 @@ multip) ly         laI
      @) oso (phic  @s'0
      p) oss (ess   @z
     gr) oss        oUs
-?3   b) oss        Os
-?3   l) oss        Os
-?3   m) oss        Os
-?3   r) oss        Os
-?3   c) os (t      Os
-?3  fr) os (t      Os
+     b) oss        O2s
+     l) oss        O2s
+     m) oss        O2s
+     r) oss        O2s
+     c) os (t      O2s
+    fr) os (t      O2s
     cl) oset       0zI#t
      h) ost (_     oUst
     _h) ost (il    0st
@@ -5063,7 +5063,7 @@ multip) ly         laI
      p) ot (enti   @t
      b) oth        oUT
   betr) oth        oUD
-?3  cl) oth        OT
+    cl) oth        O2T
     cl) othe       oUD
      b) oth (er    0D
     _r) oth (er    0D
@@ -5108,8 +5108,7 @@ multip) ly         laI
         ough       oU
      b) ough       aU
      b) ough (t    O:
-     c) ough       0f
-?3   c) ough       Of
+     c) ough       O2f
      d) ough       oU
      d) ough (t    aU
      h) ough       oU
@@ -5126,8 +5125,7 @@ multip) ly         laI
     dr) ough       aU
    thr) ough       u:
     or) ough       @
-    tr) ough       0f
-?3  tr) ough       Of
+    tr) ough       O2f
     wr) ough       O:
      t) ough       Vf
         ou (i      u:

docs/languages/gmw/en.md

@@ -85,12 +85,7 @@ merged with the other.
 | Lexical Set | en    | RP    | GenAm |
 |-------------|-------|-------|-------|
 | BATH        | `aa`  | ɑː    | æ     |
-| CLOTH       | `0`   | ɒ     | ɔ     |
-
-__NOTE:__ eSpeak NG does not have a distinct transcription for the CLOTH lexical
-set. As such, it can only represent American English accents with the COT-CAUGHT
-merger where COT is the American PALM-LOT merger and CAUGHT is the American
-THOUGHT-CLOTH merger.
+| CLOTH       | `O2`  | ɒ     | ɔ     |
 
 ## References
 

phsource/ph_english

@@ -304,6 +304,13 @@ phoneme 02   // becomes V in en-us
 endphoneme
 
 
+phoneme O2
+  vwl  starttype #o  endtype #o
+  length 140
+  ChangePhoneme(0)
+endphoneme
+
+
 phoneme V
   vwl  starttype #a  endtype #@
   length 140

phsource/ph_english_us

@@ -143,6 +143,13 @@ phoneme 02   // becomes V in en-us
 endphoneme
 
 
+phoneme O2
+  vwl  starttype #o  endtype #o
+  length 220
+  ChangePhoneme(O:)
+endphoneme
+
+
 phoneme V
   vwl  starttype #a  endtype #@
   length 170