[fitswcs] WCS with NAXIS=0

[Eric Greisen]

William Pence writes:
 > Is the use of WCS keywords (like CRPIX1 and CRVAL1) now allowed in image
 > HDUs which have NAXIS = 0?  This question has to do with whether our FITS
 > verification program (fverify) should issue any warning or error message if
 > this occurs.
 > 

That is what WCSAXES is all about.  See
      http://www.aoc.nrao.edu/~egreisen
for links to versions of Paper I and info about its volume and page
numbers.

Eric Greisen