updated xex_list, natralized particle stress, pronunciation fixes

dictsource/xex_list

 _7	Z%aI
 _8	bw%i
 _9	gj%u
-
 _dpt	z%ew
 
 //vla pe patxozi
 
 $phonememode
 
-//vla fun
+//stress and pause naturalization
+
+//illocutions
+
+ja	$pause
+je	$pause
+ji	$pause
+jo	$pause
+ju	$pause
+
+$textmode
+(qe ja)	qeja
+(qe je)	qeje
+(qe ji)	qeji
+(qe jo)	qejo
+(qe ju)	qeju
+$phonememode
 
+//quoters
 lau	l%aU_:
 lou	l%ow_:
 
+//terminators
 gu	g%u:_
 ku	k%u:_:
 vu	_:v%u:_:
 
+//utility predicates
 ka	ka_
 bo	bo_
+
+//adverbs
+wa	$u+	//unstressed, unless at end of clause
+we	$u+
+wi	$u+
+wo	$u+
+wu	$u+
+quo	$u+
+qeu	$u+
+nai	$u+
+pa	$u+
+fa	$u+
+na	$u+
+zei	$u+
+noi	$u+
+
+//prepositions
+kie	$u+ $verbf  //marks following pronoun as stressed.
+pai	$u+ $verbf  //"verb" is a vestige of the English data
+fai	$u+ $verbf
+vei	$u+ $verbf
+voi	$u+ $verbf
+xoi	$u+ $verbf
+nau	$u+ $verbf
+pau	$u+ $verbf
+fau	$u+ $verbf
+xau	$u+ $verbf
+peu	$u+ $verbf
+kou	$u+ $verbf
+neu	$u+ $verbf
+u	$u+ $verbf
+a	$u+ $verbf
+e	$u+ $verbf
+o	$u+ $verbf
+ai	$u+ $verbf
+ei	$u+ $verbf
+oi	$u+ $verbf
+au	$u+ $verbf
+eu	$u+ $verbf
+ou	$u+ $verbf
+ta	$u+ $verbf
+te	$u+ $verbf
+to	$u+ $verbf
+tai	$u+ $verbf
+tei	$u+ $verbf
+toi	$u+ $verbf
+tau	$u+ $verbf
+teu	$u+ $verbf
+tou	$u+ $verbf
+fo	$u+ $verbf
+fi	$u+ $verbf
+fe	$u+ $verbf
+za	$u+ $verbf
+pio	$u+ $verbf
+
+//tags
+ki	$u+ $verbf
+ke	$u+ $verbf
+pi	$u+ $verbf
+pe	$u+ $verbf
+
+//binders
+da	$u+ $verbf
+de	$u+ $verbf
+do	$u+ $verbf
+dai	$u+ $verbf
+dei	$u+ $verbf
+doi	$u+ $verbf
+dau	$u+ $verbf
+deu	$u+ $verbf
+dou	$u+ $verbf
+
+//pronouns
+ba	$1 $verb  //stressed only when preceded by a preposition.
+bi	$1 $verb  //"verb" is a vestige of the English data.
+ti	$1 $verb
+di	$1 $verb
+du	$1 $verb
+gi	$1 $verb
+go	$1 $verb
+vi	$1 $verb
+vo	$1 $verb
+xe	$1 $verb
+le	$1 $verb
+li	$1 $verb
+ni	$1 $verb
+nie	$1 $verb
+nio	$1 $verb
+
+//selected determiners
+su	$u+
+sua	$u+
+sue	$u+
+sui	$u+
+suo	$u+
+nu	$u+
+ne	$u+
+duo	$u+
+tie	$u+
+kua	$u+
+pei	$u+
+lio	$u+
+xai	$u+
+bui	$u+
+giu	$u+
+lia	$u+
+nia	$u+
+dua	$u+
+gua	$u+
+vua	$u+
+xua	$u+
+bau	$u+
+kau	$u+
+sau	$u+
+zou	$u+
+xeu	$u+
+qau	$u+

dictsource/xex_rules

 	ddq	dZ:
 ?2	ddz	_!dz
 ?5	ddq	_!d|Z
-?2	ddq	_!dZ
+?2 ?!5	ddq	_!dZ
 
 .group e
 	_)e(_	_!%E:
 
 .group j
 	j	j
-?2	C_)jL02	_|j
-	_)ja	_;_j%a
-	_)je	_;_j%E
-	_)ji	_;_j%i
-	_)jo	_;_j%o
-	_)ju	_;_j%u
-
-	_qe_)ja	j%a
-	_qe_)je	j%E
-	_qe_)ji	j%i
-	_qe_)jo	j%o
-	_qe_)ju	j%u
-
+?2	C_)j	_|j
 
 .group k
 	k	k
 	t(qC	d
 ?5	ttx	t:S	
 	ttx	tS:
-?5	tqd	d:Z
 	tdq	dZ:
 ?2	tdz	_!dz
-?2	tdq	_!dZ
+?2 ?!5	tdq	_!dZ
+?5	tdq	_!d|Z
 
 .group u
 	_)u(_	_!%u:
 .group w
 	w	w
 ?2	_)w	_|w
-	_)wa(_	_|w%a:_|
-	_)we(_	_|w%E:_|
-	_)wi(_	_|w%i:_|
-	_)wo(_	_|w%o:_|
-	_)wu(_	_|w%u:_|
 
 .group x
 	x	S

phsource/mbrola/ptbr2xex

 0   S   NULL   0   x 
 0   t   s      95  t @
 0   tS  NULL   95  t x
-0   dZ  NULL   95  d x
+0   dZ  NULL   95  d j
 0   d   _      95  d @
 0   d   i      95  d @
 0   d   I      95  d @

src/libespeak-ng/tr_languages.c

 	case L3('x', 'e', 'x'): // Xextan
 	{
 		tr->langopts.numbers = 0; 
+		tr->langopts.lowercase_sentence = true;
 }	
 		break;
 	case L3('s', 'h', 'n'):