Separate the NUM_DFRACTION flags from the rest of the NUM_ bitmask flags.

src/libespeak-ng/numbers.c

 			decimal_count++;
 
 		max_decimal_count = 2;
-		switch (decimal_mode = (tr->langopts.numbers & 0xe000))
+		switch (decimal_mode = (tr->langopts.numbers & NUM_DFRACTION_BITS))
 		{
 		case NUM_DFRACTION_4:
 			max_decimal_count = 5;

src/libespeak-ng/translate.h

 #define NUM_OMIT_1_HUNDRED    0x00000400
 #define NUM_1900              0x00000800
 #define NUM_ALLOW_SPACE       0x00001000
-#define NUM_DFRACTION_1       0x00002000
-#define NUM_DFRACTION_2       0x00004000
-#define NUM_DFRACTION_3       0x00006000
-#define NUM_DFRACTION_4       0x00008000
-#define NUM_DFRACTION_5       0x0000a000
-#define NUM_DFRACTION_6       0x0000c000
-#define NUM_DFRACTION_7       0x0000e000    // lang=si, alternative form of number for decimal fraction digits (except the last)
+#define NUM_DFRACTION_BITS    0x0000e000
 #define NUM_ORDINAL_DOT       0x00010000
 #define NUM_NOPAUSE           0x00020000
 #define NUM_AND_HUNDRED       0x00040000
 #define NUM_ROMAN_ORDINAL     0x08000000
 #define NUM_SINGLE_STRESS_L   0x10000000
 
+#define NUM_DFRACTION_1       0x00002000
+#define NUM_DFRACTION_2       0x00004000
+#define NUM_DFRACTION_3       0x00006000
+#define NUM_DFRACTION_4       0x00008000
+#define NUM_DFRACTION_5       0x0000a000
+#define NUM_DFRACTION_6       0x0000c000
+#define NUM_DFRACTION_7       0x0000e000    // lang=si, alternative form of number for decimal fraction digits (except the last)
+
 	// bits0-1=which numbers routine to use.
 	// bit2=  thousands separator must be space
 	// bit3=  , decimal separator, not .