bug fix in timestamp inference

shixian.shi

2023-09-13 eb9989745e2dc9d2017dadeacfb167f59b35714b

1
2
3
4
5
6
7
8
9
X    1
XX    2
XXX    3
XL    4
L    5
LX    6
LXX    7
LXXX    8
XC    9