maintainability: move variables to files where they are used, allowing removal of unnecessary extern declarations

src/libespeak-ng/intonation.c

 	{ PITCHfall,   70, 18, PITCHfall,   70, 24, NULL, 32, 20, 0 },      // 12 test
 };
 
-// index by 0=. 1=, 2=?, 3=! 4=none, 5=emphasized
-unsigned char punctuation_to_tone[INTONATION_TYPES][PUNCT_INTONATIONS] = {
-	{  0,  1,  2,  3, 0, 4 },
-	{  0,  1,  2,  3, 0, 4 },
-	{  5,  6,  2,  3, 0, 4 },
-	{  5,  7,  1,  3, 0, 4 },
-	{  8,  9, 10,  3, 0, 0 },
-	{  8,  8, 10,  3, 0, 0 },
-	{ 11, 11, 11, 11, 0, 0 }, // 6 test
-	{ 12, 12, 12, 12, 0, 0 }
-};
-
 int n_tunes = 0;
 TUNE *tunes = NULL;
 

src/libespeak-ng/readclause.c

 	return CLAUSE_NONE;
 }
 
-const int param_defaults[N_SPEECH_PARAM] = {
-	0,   // silence (internal use)
-	175, // rate wpm
-	100, // volume
-	50,  // pitch
-	50,  // range
-	0,   // punctuation
-	0,   // capital letters
-	0,   // wordgap
-	0,   // options
-	0,   // intonation
-	0,
-	0,
-	0,   // emphasis
-	0,   // line length
-	0,   // voice type
-};
-
 int towlower2(unsigned int c)
 {
 	// check for non-standard upper to lower case conversions

src/libespeak-ng/readclause.h

 } PARAM_STACK;
 
 extern PARAM_STACK param_stack[];
-extern const int param_defaults[N_SPEECH_PARAM];
 
  int clause_type_from_codepoint(uint32_t c);
 int towlower2(unsigned int c); // Supports Turkish I

src/libespeak-ng/setlengths.c

 
 	int new_value = value;
 	int default_value;
+	extern const int *param_defaults;
 
 	if (relative) {
 		if (parameter < 5) {

src/libespeak-ng/setlengths.h

 
 void CalcLengths(Translator *tr);
 
+espeak_ng_STATUS SetParameter(int parameter, 
+	int value,
+	int relative
+	);
+
 #ifdef __cplusplus
 }
 #endif

src/libespeak-ng/speech.c

 	strcpy(path_home, PATH_ESPEAK_DATA);
 }
 
+const int param_defaults[N_SPEECH_PARAM] = {
+	0,   // silence (internal use)
+	175, // rate wpm
+	100, // volume
+	50,  // pitch
+	50,  // range
+	0,   // punctuation
+	0,   // capital letters
+	0,   // wordgap
+	0,   // options
+	0,   // intonation
+	0,
+	0,
+	0,   // emphasis
+	0,   // line length
+	0,   // voice type
+};
+
+
 ESPEAK_NG_API espeak_ng_STATUS espeak_ng_Initialize(espeak_ng_ERROR_CONTEXT *context)
 {
 	int param;
 	return ENS_OK;
 }
 
+const char *version_string = PACKAGE_VERSION;
 ESPEAK_API const char *espeak_Info(const char **ptr)
 {
 	if (ptr != NULL)

src/libespeak-ng/synth_mbrola.c

 #include "dictionary.h"
 #include "mbrola.h"
 #include "readclause.h"
+#include "setlengths.h"
 #include "synthdata.h"
 #include "wavegen.h"
 

src/libespeak-ng/synthdata.c

 #include "synthesize.h"
 #include "translate.h"
 
-const char *version_string = PACKAGE_VERSION;
 const int version_phdata  = 0x014801;
 
 // copy the current phoneme table into here

src/libespeak-ng/synthesize.h

 extern unsigned char *out_end;
 extern espeak_EVENT *event_list;
 extern t_espeak_callback *synth_callback;
-extern const char *version_string;
 extern const int version_phdata;
 
 #define N_SOUNDICON_TAB  80   // total entries in soundicon_tab
 extern int n_soundicon_tab;
 extern SOUND_ICON soundicon_tab[N_SOUNDICON_TAB];
 
-espeak_ng_STATUS SetParameter(int parameter, int value, int relative);
 void DoEmbedded(int *embix, int sourceix);
 void DoMarker(int type, int char_posn, int length, int value);
 void DoPhonemeMarker(int type, int char_posn, int length, char *name);

src/libespeak-ng/tr_languages.c

 	tr->langopts.break_numbers = BREAK_THOUSANDS; // 1000, 1000,000  1,000,000 etc
 	tr->langopts.max_digits = 14;
 
+	// index by 0=. 1=, 2=?, 3=! 4=none, 5=emphasized
+	unsigned char punctuation_to_tone[INTONATION_TYPES][PUNCT_INTONATIONS] = {
+		{  0,  1,  2,  3, 0, 4 },
+		{  0,  1,  2,  3, 0, 4 },
+		{  5,  6,  2,  3, 0, 4 },
+		{  5,  7,  1,  3, 0, 4 },
+		{  8,  9, 10,  3, 0, 0 },
+		{  8,  8, 10,  3, 0, 0 },
+		{ 11, 11, 11, 11, 0, 0 }, // 6 test
+		{ 12, 12, 12, 12, 0, 0 }
+	};
+
 	memcpy(tr->punct_to_tone, punctuation_to_tone, sizeof(tr->punct_to_tone));
 
 	memcpy(tr->langopts.tunes, default_tunes, sizeof(tr->langopts.tunes));

src/libespeak-ng/translate.h

 
 #define N_PUNCTLIST  60
 extern wchar_t option_punctlist[N_PUNCTLIST];  // which punctuation characters to announce
-extern unsigned char punctuation_to_tone[INTONATION_TYPES][PUNCT_INTONATIONS];
 
 extern Translator *translator;
 extern Translator *translator2;