taglinefilesource code
LSHIFT191kernel/chr_drv/keyboard.ckmode|=LSHIFT;
LSHIFT196kernel/chr_drv/keyboard.ckmode&=(~LSHIFT);
LSHIFT254kernel/chr_drv/keyboard.cif (kmode & (LSHIFT | RSHIFT))
LSHIFT951kernel/chr_drv/keyboard.celse if (kmode & (LSHIFT | RSHIFT | LCTRL | RCTRL))
LSHIFT1094kernel/chr_drv/keyboard.cif (kapplic && !(kmode&(LSHIFT|RSHIFT))) {    /* shift forces cursor */