taglinefilesource code
RSHIFT201kernel/chr_drv/keyboard.ckmode|=RSHIFT;
RSHIFT206kernel/chr_drv/keyboard.ckmode&=(~RSHIFT);
RSHIFT254kernel/chr_drv/keyboard.cif (kmode & (LSHIFT | RSHIFT))
RSHIFT951kernel/chr_drv/keyboard.celse if (kmode & (LSHIFT | RSHIFT | LCTRL | RCTRL))
RSHIFT1094kernel/chr_drv/keyboard.cif (kapplic && !(kmode&(LSHIFT|RSHIFT))) {    /* shift forces cursor */