Use defines instead of hard-coded numbers for more clause logic.

src/libespeak-ng/readclause.c

 		short_pause = CLAUSE_SHORTCOMMA;
 
 	if ((bufix1 > 0) && !(tr->langopts.param[LOPT_ANNOUNCE_PUNCT] & 2)) {
-		if ((attributes & ~0x8000) == CLAUSE_SEMICOLON)
+		if ((attributes & ~CLAUSE_OPTIONAL_SPACE_AFTER) == CLAUSE_SEMICOLON)
 			return CLAUSE_SHORTFALL;
 		return short_pause;
 	}
 					continue;
 				}
 
-				if ((iswspace(c2) || (punct_data & 0x8000) || IsBracket(c2) || (c2 == '?') || Eof() || (c2 == ctrl_embedded))) { // don't check for '-' because it prevents recognizing ':-)'
+				if ((iswspace(c2) || (punct_data & CLAUSE_OPTIONAL_SPACE_AFTER) || IsBracket(c2) || (c2 == '?') || Eof() || (c2 == ctrl_embedded))) { // don't check for '-' because it prevents recognizing ':-)'
 					// note: (c2='?') is for when a smart-quote has been replaced by '?'
 					is_end_clause = 1;
 				}

src/libespeak-ng/translate.c

 	charix[charix_top+2] = 0x7fff;
 	charix[charix_top+3] = 0;
 
-	clause_pause = (terminator & 0xfff) * 10; // mS
+	clause_pause = (terminator & CLAUSE_PAUSE) * 10; // mS
 	if (terminator & CLAUSE_PAUSE_LONG)
 		clause_pause = clause_pause * 32; // pause value is *320mS not *10mS
 
-	tone = (terminator >> 12) & 0x7;
+	tone = (terminator & CLAUSE_INTONATION_TYPE) >> 12;
 	if (tone2 != 0) {
 		// override the tone type
 		tone = tone2;