--- /dev/null
+--- a/comgt.c
++++ b/comgt.c
+@@ -1281,7 +1281,7 @@ void opengt(void) {
+ parity=stbuf.c_cflag & (PARENB | PARODD);
+ stbuf.c_iflag &= ~(IGNCR | ICRNL | IUCLC | INPCK | IXON | IXANY | IGNPAR );
+ stbuf.c_oflag &= ~(OPOST | OLCUC | OCRNL | ONLCR | ONLRET);
+- stbuf.c_lflag &= ~(ICANON | XCASE | ECHO | ECHOE | ECHONL);
++ stbuf.c_lflag &= ~(ICANON | ECHO | ECHOE | ECHONL);
+ stbuf.c_lflag &= ~(ECHO | ECHOE);
+ stbuf.c_cc[VMIN] = 1;
+ stbuf.c_cc[VTIME] = 0;
+@@ -1336,7 +1336,7 @@ void opendevice(void) {
+ parity=stbuf.c_cflag & (PARENB | PARODD);
+ stbuf.c_iflag &= ~(IGNCR | ICRNL | IUCLC | INPCK | IXON | IXANY | IGNPAR );
+ stbuf.c_oflag &= ~(OPOST | OLCUC | OCRNL | ONLCR | ONLRET);
+- stbuf.c_lflag &= ~(ICANON | XCASE | ECHO | ECHOE | ECHONL);
++ stbuf.c_lflag &= ~(ICANON | ECHO | ECHOE | ECHONL);
+ stbuf.c_lflag &= ~(ECHO | ECHOE);
+ stbuf.c_cc[VMIN] = 1;
+ stbuf.c_cc[VTIME] = 0;