[1.31.18]

Indicate unrecognized letters within a word by clicks.
lang-tr: Non-standard lower case conversion for "I".
Tone languages: indicate emphasis by increasing the pitch range.


git-svn-id: https://espeak.svn.sourceforge.net/svnroot/espeak/trunk@151 d46cf337-b52f-0410-862d-fd96e6ae7743

dictsource/af_list

 potchefstroom pOtSIfstr'o@m
 pretoria    prit'o@ria
 stellenbosch st%&l@mbOs 
+swellendam  $3
 tunisië     $2
 turkye      $2
 upington    apiNt@n
 debora      d@bo@ra
 debussy     d@bus'i:
 der         d@r
+derick      dErik
 deventer d'e@v@nt@r
 du		$u
 (du pisanie) du||pis'A:ni
 stephan     ste@fan
 stephanus   st@fA:nWs
 strauss     straUs
+suzanne     suz'A:n
+suzette     suz'Et
 tania       tanja
 telemann    te@l@man
 terblanche  t@rblA:nS
 ekstra Ekstra
 elders        &ld@rs
 elite         il'i:t
+encore        A~NkO:r
 enige         e@nIx2@
 eone          $2
 era           e@ra
 finaliste     $3
 fort          fOrt
 forte         fOrt@
-frontaal      $2
-frontale      $2
 
 g'n           x2In
 gaandeweg     x2A:nd@v&x2
 onmin         $1
 oorleg        $2
 oorstroom     $2
+oorwaai       $1
 oplaas        $2
 onraad        $1
 onrus         $1

dictsource/af_rules

              ara (bi      %arA: // fix 1st a sound and stress: Arabië/Arabies/-e
              ara (bier    %ar%a // Stress and a sounds: Arabier/-e
           C) are (CA      A:r@ // e sound: amptenaredom/blaredak/garebiltong/haredos/jarelange
+             amarula      %am%arul%a // fix stress and a sounds: amarula and compounds
              a (riA       'A: // akwarium/barium/estuarium/herbarium/seminaria
              a (ristokr   %a // shorten 1st a: aristokrasie/-kraat/-krate/-kraties
          @C) as (_        as // shorten final a of words ending in -as: rigtingvas/jonkmanskas, etc.
              bota (nie_N  b%o@t%a // stress on 3rd slb.: botanie
           _) bowe         b''o@v@ // fix e sound in compounds: boweaards/bowemaans/bowetoon
           _) breda        br@dA: // move default stress: (van )Breda/Bredasdorp
+             bril (jant   br@l // move default stress: briljant/-e/-heid/-ste
              bru (ta      br%y // move default stress: brutaal/brutale/brutaliteit
              buffe (t     b%WfE // fix stress and e sound: buffet/-te/buffetete, etc.
              buiten (ge   b'Yyt@n      // buitengewoon/s/buitengewone/buitengemeen
              di (ploma    d@ // move default stress: diploma/-s and compounds/diplomaat
              direk        d%irEk // direk/-sie/-te/-theid/indirek...
              dirig (e     d@r@x2 // fix stress and i sounds: dirigeer/dirigent and compounds
+          _) dis (inP3    d@s // disintegrasie/disinvestering and similar
              dis (koers   d@s // move default stress: diskoers/-e
              diskre (s    d@skrE // fix stress and e sound: diskresie/diskresionêre
           _) dis (kre     d@s // move default stress: diskreet/-heid/-ste/diskrete
+          _) dis (oP3     d@s // disorganisasie/disoriënteer
              divide (nd d@v@dE //dividende etc.
              d (_N        t      // 
              dj           c      // palatal stop
         gel) eer          e@r // words containing geleer take default stress: regsgeleerde
          @k) eer          e@r // words containing keer take default stress, except for:
          ik) eer          'e@r // abdikeer/kommunikeer, etc.
+     oriënt) eer          e@r // default stress: beroepsgeoriënteerd and similar
          Cm) eer          e@r // words containing meer preceded by consonant take default stress: bergmeer/strandmeer, etc.
          rm) eer          'e@r // but not words like: alarmeer/gereformeerd/transformeer
          sf) eer          e@r // sfeer at end of compounds does not take stress: atmosfeer, etc.
           C) ensies       'Ensis // forensiese
           @) enswaar (dig @nsv'A:r // noemenswaardige/bejammerenswaardig
          @C) ent (K       'Ent // orent/student/presidentsrede
-         @C) ent (e_      'Ent // plurals of some of the above###
+         @C) ent (e_      'Ent // plurals of some of the above
          en) ent (_       Ent // restore default stress: koppenent/voetenent
          pr) ent (+       Ent // default stress for compounds of prent
          @s) ent (rA      Ent // winkelsentrum/studentesentrum, etc.
              feite        feIt@ // fix 2nd e sound: feitebepaling/-bevinding/-bron/-fout/-kennis/-lik
           @) fel (end     f@l // betwyfelend/skuifelend/weifelend
           @) fel (ing     f@l // betwyfeling/skuifeling/weifeling
+             fenom (e     f@n%Om // fix stress and vowel sounds: fenomeen/-ene
+             fenomen (A@  f@n%Om@n // fix stress and vowel sounds: fenomenaal/-ale/fenomeneel/-ele
              fero (mo     f%Er%u // fix stress and vowel sounds: feromoon/feromone
              fer (weel    f@r // fix stress and 1st e sound: ferweel and many compounds
              fessor       fEs@r // fix last o sound: professor and compounds like universiteitsprofessor
              foto         fo@tu
              fo (togra    fo@ // move default stress: fotograaf and similar
           _) fran (CisCA  fr%an // fix stress and a sound: Fransiskus/Franciscus/Francisca
+             front (A     fr%Ont // fix stress and e sound: konfronterend/-e/konfrontering
              fru (str     fr%W // move default stress: frustrerend/-e
              fung (e      f%WNx2 // fungeer/fungerende/fungering
              fungus       fWNgWs_ // fix g sound: fungus and 2nd us sound in compounds: fungusinfeksie
              gra (niet    x2r%a // move default stress and fix a sound: graniet and compounds
              gra (sieu    x2r%a // fix stress and shorten a sound: grasieus/-e
           _) gras (A      x2ras_ // fix stress and a sound: graseter/grasoppervlakte/grasuie
-             gra (sie     x2rA: // but restore default stress and long a: grasie
+          _) gra (sie     x2rA: // but restore default stress and long a: grasie
           _) gri (mA      x2r@ // grimas/grimeer/-middel and other compounds/grimering
              grotere      x2ro@t@r@ // fix vowel sounds and stress: grotere/-s
              guerrilla    g@r'Ila
           _) in (aCemP2   'In_ //inasem/inademing, etc.
        self) in (C@       _@n // selfingenome/-nheid/selfinkeer, etc.
           _) in (a@P2     In // inakkuraat/inaktief/inaktiwiteit
+             invest (@    @nv%Est // fix stress, v and e sounds: investeer/-erende/-ering
           _) iese (C      ,is@ // iesegrimmig and derivitives
              ieterma (g   %it@rm%a // fix stress and a sound: ietermagô
              ieus         i'Y@s // this ending always takes stress
         _em) i (r         @
              ië           e@:@-  // i followed by "deelteken e"
              iën          i'En   //i deelteken e n
-         or) iën          i;En // default stress: (beroeps)georiënteerd, etc.
              iëteit       %i@t'eIt // fix stress: (imk)piëteit/variëteit
 
              iee (C       i'e@ // distansieer/finansieer/finansieel/prieel
           _) meege (@P5   m'e@x2@
              me (juf      m@ // move default stress and shorten e sound
              me (laats    m@ // fix stress and e sound: melaats/-e/-heid
-             melancholie (_N m%El%aNk%o@li // fix stress and 1st e sound: melankolie
+             melancholie (_N m%El%aNk%o@li // fix stress and 1st e sound: melancholie
              melanch      m%El%aNk // stress and 1st e sound: melancholies/melancholiek/-e/melancholikus/-ci
+             melankolie (_N m%El%aNk%o@li // fix stress and 1st e sound: melankolie
+             melank       m%El%aNk // stress and 1st e sound: melankolies/melankoliek/-e/melankolikus/-ci
              mem (bra     m%Em // move default stress: membraan/membrane
              memo (ran    m%Em%u // fix stress and vowel sounds: memorandum/memoranda and compounds
              meneer       m@n'e@r   // meneer/meneertjie
              orgi (de     %Orx2@ // move default stress: orgidee/orgideë and compounds
              orie         o@ri
              oriu         'o@riW
+             oriënt (@    %o@r%ij%Ent // disoriëntering/(beroeps)georiënteerd
           _) or (ka       %Or // move default stress: orkaan/orkane/orkaanwaarskuwing...
              orkes        %OrkEs // orkes and compounds
           _) os (moC      %Os // move default stress: osmose/osmoties/-e
              oor (reed    %o@r // move default stress
              oorre (dA    %o@re@ // move default stress: oorreding/-skrag/-vermoë
              oor (rompel  %o@r // move default stress
+             oorsaaklik   %o@rsA:kl@k // fix stress: oorsaaklik/-e/-heid
           _) oor (skadu   %o@r // move default stress: oorskadu/-wing
           _) oor (skat    %o@r // move default stress: oorskat/-te/-ting
              oor (skrei   %o@r // stress: oorskrei/-ding snd compounds
              oor (tuig    %o@r // oortuig/oortuiging/oortuigende
           _) oor (vleuel  %o@r // move default stress: oorvleuel/-ing
           _) oor (vloedig %o@r // move default stress: oorvloedig/-e vs. oorvloed
-          _) oor (w       o@r' // oorwin/oorweeg/oorweging/oorweldig/end...
+          _) oor (w       %o@r // oorwin/oorweeg/oorweging/oorweldig/end...
              oor (wig     'o@r // stress
              oot (moedig  %o@t // move default stress: ootmoedig/-e/-heid
 
              parme (saan  p%arm@ // move default stress: parmesaan(kaas) and compounds
              paro (di     p%ar%u // fix stress and vowel sounds: parodie and compounds
              parti (tu    p%art@ // fix stress and i sound: partituur/partiture and compounds
+             pa (stel     p%a // move default stress: pastel(kleur) and similar compounds
              pa (tat      p@ // patat/warmpatat/wurgpatat
              patie (KN    p%at'i //words ending in patie has stress at end + a sound/simpatiek
           @) paties       p'A:tis // fix stress and a sound: simpaties/-e
              teleks       t&lEks // fix stress and vowel sounds: teleks and compounds
           _) teler        te@l@r // fix stress and vowel sounds: teler/-s/-y/-svereniging, etc.
          @C) te (nk       t& ++ //tenk and friends
+          _) te (no t@ //tenoor, tenore etc.
          @C) te (C        t@ ///
           s) te (king     te@ //ontsteking in compounds
              te (kkie+    tE // fix e sound: tekkie/-s/staptekkies and similar
          ek) terende (_   t'e@r@nd@ //reflekterende respekterende
           k) te (ring    t'e@ //selektering, reflektering etc.
 
-          n) terende (_   t'e@r@nd@ //konfronterende mensonterende
          pe) terende (_   t'e@r@nd@ //kompeterende
           i) terende (_   t'e@r@nd@ //presipiterende moniterende
          ul) terende (_   t'e@r@nd@ //konsulterende resulterende

dictsource/dict_phonemes

 k    l    m    n    p    q    r    R    
 s    S    t    tS   v    w    x    z    
 Z    
+
+
+Dictionary rw_dict
+
+a    e    i    o    u    
+
+*    b    B    c    d    dZ   f    g    
+h    j    J    k    l    m    n    N    
+n^   p    q    s    S    S;   t    tS   
+w    x    z    

dictsource/en_rules

         __) - (_D        m'aIn@s
         A_) - (_D        _
         C_) - (_D        _
-        --) -
 
             +           plVs
          _) ++ (_       plVspl'Vs

dictsource/es_rules

        _) e (_       e
           e          e
           e (CK      E
+          e (Ch      e
           ei         eI
           ey (K      eI
           ey (_      'eI
        _) o (_       o
           o          o
           o (CK      O
+          o (Ch      o
           oi         oI
           oy (K      oI
           oy (_      'oI
 
 
 .group r
-       _) r (_       E*e
+       _) r (_       E**e
           r          R
        _) r          R
        A) r (A       **

dictsource/tr_rules

 
 .group
         $        dolar
-        ' (Pb    // split a word at ' and translate the first part separately.
-
+        ' (Pb    % // split a word at ' and translate the first part separately.
 

dictsource/zh_list

 举	ju3
 乎	hu1
 乐	le4
-了	liao3
+了	le5   // more common than liao3
 事	shi4
 亮	liang4
 亲	qin1
 當	dang1
 發	fa1
 白	bai2
-的	di4
+的	de5   // more common than di4
 盖	gai4
 盘	pan2
 盛	sheng4

dictsource/zh_rules

 
 .group b
        b        p
+    @) b (K	_^_EN
 
 .group c
        c        tsh
        ch       ts.h
+    @) c (K	_^_EN
 
 .group d
        d        t
+    @) d (K	_^_EN
 
 .group e
        e	o-
 
 .group f
        f        f
+    @) f (K	_^_EN
 
 .group g
        g        k
+    @) g (K	_^_EN
 
 .group h
        h        x
+    @) h (K	_^_EN
 
 .group i
        i        i //i in ing
 
 .group j
        j        tS;
+    @) j (K	_^_EN
 
 .group k
        k        kh
+    @) k (K	_^_EN
 
 .group l
        l        l
+    @) l (K	_^_EN
 
 .group m
        m        m
+    @) m (K	_^_EN
 
 .group n
        n        n
 
 .group p
        p        ph
+    @) p (K	_^_EN
 
 .group q
        q        tS;h
+    @) q (K	_^_EN
 
 .group r
        r        z.
 .group s
        s        s
        sh       s.
+    @) s (K	_^_EN
 
 .group t
        t        th
+    @) t (K	_^_EN
 
 .group u
        u        u
     n) ve	yE //üe
 
 .group w
+//    @) w (K	_^_EN
        wa	wA  //wa wan wang
        wai	wai
        wa1i	wai55
 
 .group x
        x        S;
+    @) x (K	_^_EN
 
 .group y
        y	j //before a o e i
        y (uDn   ;
        yo (DngK	yu
        y (K     i    // foreign words
+    @) y (K	_^_EN
 
 .group z
        z        ts
        zh       ts.
+    @) z (K	_^_EN
 
 //tone number
 .group

phsource/compile_report

-49 phoneme tables
+50 phoneme tables
           new total
     base  99   99
    base2  24  118
       tr  18  123
       ku  13  120
       ja   7  104
+      rw  12  123
 
 Data file      Used by
 b/b             [b] base
                 [&] sr
                 [&] pt
                 [&/] pt
+                [a#] rw
+                [a/] rw
 vowel/a_2       [a] base2
                 [a] en_wi
                 [A:] en_wi
                 [a] pt_pt
                 [a] ro
                 [a:] vi
+                [a] rw
 vowel/a#_2      [&] hr
                 [a2] sv
                 [&] is
                 [e] th
                 [e:] th
                 [e] id
+                [e] rw
+                [e#] rw
 vowel/e#        [I] en_sc
                 [I2] en_sc
 vowel/e_2       [eI] en_sc
                 [i] th
                 [i:] th
                 [i] ja
+                [i] rw
+                [i#] rw
 vowel/i#        [i] en_us
                 [i] en_rp
                 [y:] cy
                 [o] th
                 [o:] th
                 [o] id
+                [o] rw
+                [o#] rw
 vowel/o_2       [o:] cy
                 [o:] hi
                 [o:] hu
                 [u] is
                 [u] zhy
                 [u] zh
+                [u] rw
+                [u#] rw
 vowel/u_bck2    [u:] la
 vowel/u_fnt     [u:] en_rp
 vowel/uu        [U] en

phsource/phonemes

 
 phonemetable ja base
 include ph_japanese
+
+phonemetable rw base2
+include ph_kinyarwanda

src/dictionary.cpp

 		if(stressed_syllable == 0)
 		{
 			stressed_syllable = vowel_count - 1;
-			for(ix=2; ix < vowel_count; ix++)
+			for(ix=1; ix < vowel_count; ix++)
 			{
 				if(vowel_stress[ix] == 1)
 				{
 	while(((c = *p) != ' ') && (c != 0))
 	{
 		if(IsAlpha(wc))
-			any_alpha = wc;
+			any_alpha++;
 		wc_prev = wc;
 		wc_bytes = utf8_in(&wc,p,0);
 
 						}
 					}
 				}
+
+				if(match1.points == 0)
+				{
+	static const char str_unknown[4] = {phonCAPITAL,phonCAPITAL,phonCAPITAL,0};
+					if(((any_alpha > 0) || (p[wc_bytes-1] > ' ')) && !iswpunct(wc))
+					{
+						// an unrecognised character in a word, indicate with clicks
+						match1.phonemes = str_unknown;
+						match1.points = 1;
+					}
+					p += (wc_bytes-1);
+				}
 			}
 		}
 

src/numbers.cpp

 	int n_bytes;
 	int letter;
 	int len;
-	int phoneme_tab_en;
 	char *p2;
 	char *pbuf;
 	char capital[20];
 	char ph_buf[60];
 	char ph_buf2[60];
-	char ph_buf_en[60];
 	char hexbuf[6];
-	static char single_letter[10] = {0,0};
 
 	ph_buf[0] = 0;
 	capital[0] = 0;
 			Lookup("_cap",capital);
 		}
 	}
-	letter = towlower(letter);
+	letter = towlower2(letter);
 
 	LookupLetter(letter, word[n_bytes], ph_buf);
 
 
 	if(ph_buf[0] == 0)
 	{
-		phoneme_tab_en = SetTranslator2("en");
-		translator2->LookupLetter(letter, word[n_bytes], ph_buf_en);
-		if(ph_buf_en[0] != 0)
-		{
-			sprintf(ph_buf,"%c%c%s%c%c",phonSWITCH2, phoneme_tab_en + phonTOP, ph_buf_en, phonSWITCH2, voice->phoneme_tab_ix + phonTOP);
-		}
-		SelectPhonemeTable(voice->phoneme_tab_ix);  // revert to original phoneme table
+// ?? speak as English ??
+		sprintf(phonemes,"%c",phonSWITCH);
+		return(0);
 	}
 
 	if(ph_buf[0] == 0)

src/phoneme.h

 #define phonT_REDUCED   25
 #define phonSTRESS_TONIC 26
 #define phonPAUSE_CLAUSE 27
-#define phonSWITCH2     28
-#define phonTOP         28    // highest pre-defined phoneme number
 
 extern const unsigned char pause_phonemes[8];  // 0, vshort, short, pause, long, glottalstop
 

src/readclause.cpp

 }
 #endif
 
+int towlower2(unsigned int c)
+{
+	// check for non-standard upper to lower case conversions
+	if(c == 'I')
+	{
+		if(translator->translator_name == L('t','r'))
+		{
+			c = 0x131;   // I -> ı
+		}
+	}
+	return(towlower(c));
+}
 
 static void GetC_unget(int c)
 {//==========================
 		{
 			value = attrlookup(attr1,mnem_emphasis);
 		}
-		sp->parameter[espeakEMPHASIS] = value;
+
+		if(translator->langopts.tone_language == 1)
+		{
+			static unsigned char emphasis_to_pitch_range[] = {50,50,40,70,90,90};
+			static unsigned char emphasis_to_volume[] = {100,100,70,110,140,140};
+			// tone language (eg.Chinese) do emphasis by increasing the pitch range.
+			sp->parameter[espeakRANGE] = emphasis_to_pitch_range[value];
+			sp->parameter[espeakVOLUME] = emphasis_to_volume[value];
+		}
+		else
+		{
+			sp->parameter[espeakEMPHASIS] = value;
+		}
 		ProcessParamStack(outbuf, outix);
 		break;
 

src/synthdata.cpp

 #include "translate.h"
 #include "wave.h"
 
-const char *version_string = "1.31.17  24.Feb.08";
+const char *version_string = "1.31.18  25.Feb.08";
 const int version_phdata  = 0x013105;
 
 int option_device_number = -1;

src/tr_english.cpp

 	This function is language specific.
 */
 
-	unsigned char  c;
+	int  c;
 	int  vowel_posn=9;
 	int  index;
+	int  count;
 	int  ix;
 	int  apostrophe=0;
 
 	}
 
 	index=0;
-	while(((c = word[index++]) != 0) && !isspace(c))
+	count=0;
+	for(;;)
 	{
+		index += utf8_in(&c,&word[index],0);
+		count++;
+
+		if((c==0) || (c==' '))
+			break;
+
 		if(IsVowel(c) || (c == 'y'))
 		{
-			vowel_posn = index;
+			vowel_posn = count;
 			break;
 		}
 
 		if(c == '\'')
 			apostrophe = 1;
 		else
-		if((c < 'a') || (c > 'z'))
-			return(0);        // letter (not vowel) outside a-z range or apostrophe, abort test
+		if((c < 'a') || (c > 0x241))
+			return(0);        // letter (not vowel) outside Latin character range or apostrophe, abort test
 	}
 	if((vowel_posn > 5) || ((word[0]!='s') && (vowel_posn > 4)))
 		return(1);  // no vowel, or no vowel in first four letters

src/tr_languages.cpp

 			tr = new Translator_Russian();
 		break;
 
+	case L('r','w'):   // Kiryarwanda
+		{
+			tr = new Translator();
+			tr->langopts.stress_rule = 2;
+			tr->langopts.stress_flags = 0x16;
+			tr->langopts.length_mods0 = tr->langopts.length_mods;  // don't lengthen vowels in the last syllable
+		}
+		break;
+
 	case L('s','k'):   // Slovak
 	case L('c','s'):   // Czech
 		{

src/translate.cpp

 				return(0);
 			}
 
-			p = &wordx[word_length-3];
+			p = &wordx[word_length-3];    // this looks wrong.  Doesn't consider multi-byte chars.
 			if(memcmp(p,"'s ",3) == 0)
 			{
 				// remove a 's suffix and pronounce this separately (not as an individual letter)
 				return(0);
 			}
 
+			if((phonemes[0] == 0) && (end_phonemes[0] == 0))
+			{
+				int wc;
+				// characters not recognised, speak them individually
+
+				utf8_in(&wc, wordx, 0);
+				if(!iswpunct(wc))
+				{
+					posn = 0;
+					while(*wordx != ' ')
+					{
+						wordx += TranslateLetter(wordx, phonemes, 4);
+						posn++;
+						if(phonemes[0] == phonSWITCH)
+						{
+							// change to another language in order to translate this word
+							strcpy(word_phonemes,phonemes);
+							return(0);
+						}
+					}
+					SetSpellingStress(phonemes,spell_word,posn);
+				}
+			}
+
 			c_temp = wordx[-1];
 
 			found = 0;
 				prefix_chars[0] = 0;
 				n_chars = prefix_type & 0x3f;
 
-				for(ix=0; ix < n_chars; ix++)    // num. of characters to remove
+				for(ix=0; ix < n_chars; ix++)    // num. of bytes to remove
 				{
 					prefix_chars[pfix++] = *wordx++;
 
 					{
 						prefix_chars[pfix-1] = 0;  // discard the last character of the prefix, this is the separator character
 					}
-
-					while((*wordx & 0xc0) == 0x80)
-					{
-						prefix_chars[pfix++] = *wordx++;  // for multibyte characters
-					}
 				}
 				prefix_chars[pfix] = 0;
 				c_temp = wordx[-1];
 				{
 					// retranslate the prefix part
 					char *wordpf;
+					char prefix_phonemes2[12];
+
+					strncpy0(prefix_phonemes2,end_phonemes,sizeof(prefix_phonemes2));
 					wordpf = &prefix_chars[1];
 					found = LookupDictList(&wordpf, phonemes, dictionary_flags, SUFX_P, wtab);   // without prefix
 					if(found == 0)
 					{
 						end_type = TranslateRules(wordpf, phonemes, N_WORD_PHONEMES, end_phonemes, 0, dictionary_flags[0]);
-						strcat(prefix_phonemes, phonemes);
+						sprintf(prefix_phonemes,"%s%s%s",phonemes,end_phonemes,prefix_phonemes2);
 					}
+					prefix_flags = 1;
+				}
+				else
+				{
+					strcat(prefix_phonemes,end_phonemes);
 				}
-				strcat(prefix_phonemes,end_phonemes);
 				end_phonemes[0] = 0;
 
 				end_type = 0;
 			srcix = source_ix+1;
 		}
 		else
-		if(ph_code == phonSWITCH2)
-		{
-			SetPlist2(&ph_list2[n_ph_list2],phonSWITCH);
-			ph_list2[n_ph_list2++].tone_number = *p++ - phonTOP;   // phoneme table number (phonTOP is added to avoid confusion with special phoneme numbers)
-		}
-		else
 		if(ph_code == phonX1)
 		{
 			// a language specific action 
 			{
 				c = ' ';
 			}
-			c = towlower(c);
+			c = towlower2(c);
 		}
 
 		if(phoneme_mode)
 
 				if(iswupper(c))
 				{
-					c = towlower(c);
+					c = towlower2(c);
 
 					if(langopts.param[LOPT_SYLLABLE_CAPS])
 					{

src/translate.h

 int IsDigit(unsigned int c);
 int IsAlpha(unsigned int c);
 int isspace2(unsigned int c);
+int towlower2(unsigned int c);
 void SetVoiceStack(espeak_VOICE *v);
 
 extern FILE *f_trans;		// for logging