How can I display most X- headers but not all

[Russell Hoover]

I thought I wanted to see all "X-" headers that came my way, so I set:

ignore *      # This means "ignore all header lines by default."

unignore From: Date Subject To Cc Organization Organisation User-Agent \
X-Mailer X-


But there are some I don't want to see, such as:

X-Authentication-Warning:
X-Accept-Language:
X-Priority:
X-MSMail-Priority:
X-MimeOLE:

How can I eliminate a specified few X- headers while maintaining the
visibility of all others?

I tried:

color header  black  black  ^X-(Priority|MSMail-Priority):

It just gave me the headers in gray.

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