Add defines for the numbers2 thousandplex bit flags.

src/libespeak-ng/tr_languages.c

 		tr->langopts.param[LOPT_SONORANT_MIN] = 130; // limit the shortening of sonorants before short vowels
 
 		tr->langopts.numbers = NUM_SINGLE_STRESS | NUM_DECIMAL_COMMA;
-		tr->langopts.numbers2 = 0x2 | NUM2_MULTIPLE_ORDINAL | NUM2_ORDINAL_NO_AND; // variant form of numbers before thousands
+		tr->langopts.numbers2 = NUM2_THOUSANDPLEX_VAR_THOUSANDS | NUM2_MULTIPLE_ORDINAL | NUM2_ORDINAL_NO_AND;
 
 		if (name2 == L3('g', 'r', 'c')) {
 			// ancient greek
 		tr->langopts.accents = 1;
 
 		tr->langopts.numbers = NUM_SINGLE_STRESS | NUM_HUNDRED_AND | NUM_OMIT_1_HUNDRED | NUM_DECIMAL_COMMA | NUM_THOUS_SPACE | NUM_DFRACTION_2 | NUM_ROMAN_CAPITALS;
-		tr->langopts.numbers2 = 0xa + NUM2_THOUSANDS_VAR5; // variant numbers before thousands,milliards
+		tr->langopts.numbers2 = NUM2_THOUSANDPLEX_VAR_THOUSANDS | NUM2_THOUSANDPLEX_VAR_MILLIARDS | NUM2_THOUSANDS_VAR5;
 		tr->langopts.our_alphabet = OFFSET_CYRILLIC; // don't say "cyrillic" before letter names
 
 		SetLetterVowel(tr, 'y');
 		tr->letter_groups[1] = is_lettergroup_B;
 		SetLetterVowel(tr, 'y');
 		tr->langopts.numbers = NUM_DECIMAL_COMMA | NUM_SINGLE_AND | NUM_HUNDRED_AND | NUM_AND_UNITS | NUM_1900;
-		tr->langopts.numbers2 = 0x2;
+		tr->langopts.numbers2 = NUM2_THOUSANDPLEX_VAR_THOUSANDS;
 	}
 		break;
 	case L('i', 't'): // Italian
 
 		tr->langopts.stress_rule = STRESSPOSN_3R; // antipenultimate
 		tr->langopts.numbers = NUM_DECIMAL_COMMA | NUM_AND_UNITS | NUM_OMIT_1_HUNDRED | NUM_OMIT_1_THOUSAND | NUM_DFRACTION_2;
-		tr->langopts.numbers2 = 0x8a; // variant numbers before thousands,milliards
+		tr->langopts.numbers2 = NUM2_THOUSANDPLEX_VAR_THOUSANDS | NUM2_THOUSANDPLEX_VAR_MILLIARDS | NUM2_THOUSANDS_VAR2;
 	}
 		break;
 	case L('m', 't'): // Maltese
 
 		tr->encoding = ESPEAKNG_ENCODING_ISO_8859_2;
 		tr->langopts.numbers = NUM_DECIMAL_COMMA | NUM_ALLOW_SPACE | NUM_DFRACTION_3 | NUM_AND_UNITS | NUM_ROMAN;
-		tr->langopts.numbers2 = 0x1e; // variant numbers before all thousandplex
+		tr->langopts.numbers2 = NUM2_THOUSANDPLEX_VAR_ALL;
 	}
 		break;
 	case L('r', 'u'): // Russian
 		tr->langopts.decimal_sep = ',';
 
 		if (name2 == L('c', 's'))
-			tr->langopts.numbers2 = 0x108; // variant numbers before milliards
+			tr->langopts.numbers2 = NUM2_THOUSANDPLEX_VAR_MILLIARDS | NUM2_THOUSANDS_VAR4;
 
 		SetLetterVowel(tr, 'y');
 		SetLetterVowel(tr, 'r');
 		tr->langopts.param[LOPT_IT_LENGTHEN] = 1; // remove lengthen indicator from unstressed syllables
 		tr->letter_bits[(int)'r'] |= 0x80; // add 'r' to letter group 7, vowels for Unpronouncable test
 		tr->langopts.numbers =  NUM_DECIMAL_COMMA | NUM_ALLOW_SPACE | NUM_SWAP_TENS | NUM_OMIT_1_HUNDRED | NUM_DFRACTION_2 | NUM_ORDINAL_DOT | NUM_ROMAN;
-		tr->langopts.numbers2 = 0x100; // plural forms of millions etc
+		tr->langopts.numbers2 = NUM2_THOUSANDS_VAR4;
 		tr->langopts.thousands_sep = ' '; // don't allow dot as thousands separator
 		break;
 	case L('s', 'q'): // Albanian
 	tr->langopts.stress_flags = S_NO_AUTO_2;
 
 	tr->langopts.numbers = NUM_DECIMAL_COMMA | NUM_OMIT_1_HUNDRED;
-	tr->langopts.numbers2 = 0x2 + NUM2_THOUSANDS_VAR1; // variant numbers before thousands
+	tr->langopts.numbers2 = NUM2_THOUSANDPLEX_VAR_THOUSANDS | NUM2_THOUSANDS_VAR1; // variant numbers before thousands
 }

src/libespeak-ng/translate.h

 
 	int numbers;
 
-#define NUM2_GROUP_NUMBER_VAR_BITS 0x0000000f // use variant form of numbers before thousands,millions,etc.
+#define NUM2_THOUSANDPLEX_VAR_BITS 0x0000001e // use variant form of numbers before thousands, millions, etc.
 #define NUM2_THOUSANDS_VAR_BITS    0x000001c0 // use different forms of thousand, million, etc (M MA MB)
 #define NUM2_SWAP_THOUSANDS        0x00000200 // say "thousand" and "million" before its number, not after
 #define NUM2_ORDINAL_NO_AND        0x00000800 // don't say 'and' between tens and units for ordinal numbers
 #define NUM2_ORDINAL_DROP_VOWEL    0x00080000 // drop final vowel from cardial number before adding ordinal suffix (currently only tens and units)
 #define NUM2_ZERO_TENS             0x00100000 // say zero tens
 
+#define NUM2_THOUSANDPLEX_VAR_THOUSANDS 0x00000002
+#define NUM2_THOUSANDPLEX_VAR_MILLIARDS 0x00000008
+#define NUM2_THOUSANDPLEX_VAR_ALL       0x0000001e
+
 #define NUM2_THOUSANDS_VAR1        0x00000040
 #define NUM2_THOUSANDS_VAR2        0x00000080
 #define NUM2_THOUSANDS_VAR3        0x000000c0
-#define NUM2_THOUSANDS_VAR4        0x00000100
+#define NUM2_THOUSANDS_VAR4        0x00000100 // plural forms for millions, etc.
 #define NUM2_THOUSANDS_VAR5        0x00000140
 
 	int numbers2;