K_KMINUS (reference) in projects: vim-8.2.3635

400 #define K_KMINUS	TERMCAP2KEY('K', '7')	// keypad minus  macro

990     {K_KMINUS,		(char_u *)"kMinus"},

1443 	case K_KMINUS:		key = VTERM_KEY_KP_MINUS; break;  in term_convert_key()

/vim-8.2.3635/src/
H A D	keymap.h	`400 #define K_KMINUS TERMCAP2KEY('K', '7') // keypad minus macro`
H A D	term.c	`671 {K_KMINUS, "\316J"}, 772 {K_KMINUS, IF_EB("\033Om", ESC_STR "Om")}, // keypad minus 966 {K_KMINUS, IF_EB("\033Om", ESC_STR "Om")}, // keypad minus 1298 {K_KMINUS, "[KMINUS]"},`
H A D	misc2.c	`990 {K_KMINUS, (char_u *)"kMinus"},`
H A D	getchar.c	`1778 case K_KMINUS: c = '-'; break; in vgetc()`
H A D	terminal.c	`1443 case K_KMINUS: key = VTERM_KEY_KP_MINUS; break; in term_convert_key()`