CO /*Comment*/ CO

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Paul Leyland

=for comment

Parsing comments is a non-starter for all practical purposes.

They are free text, of zero or more characters, and all you can assume in FITS is US-ASCII.


; I would be quite within my rights to create  this informative FITS header:

DATE-OBS= ‘2021-07-26T22:03:10’ /Ad ultimum diem et ad tempus.

// which tells you everything you need to know.

% I am with Nick on this one.

# Sorry, I couldn’t work out how to put a Perl or bash single-line comment into the subject as well.

<!–You have to make do with Fortran, Algol68, and C.–>