vim sometimes hiding 0 and 00

[MikeBerger]

Using vim to edit .dircolors, with vim colors enabled, I discovered on the line

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DIR 01:36   # directory

if I change the 01 to 00, the 00 disappears. If I search for 00, it is found. This happens
for other, but not all lines. I could prevent this with

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syntax off

but then I lose the colors, which are helpful.
How can I prevent anything from disappearing like this without losing the colors?
This could be a real real problem.
Thanks,
Mike.

[MikeBerger]

Further examination indicates that this problem does not not occur level 3, but only at level 5 where I have the XFCE desktop.
Thanks for your suggestions,
Mike.