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Harvey, You wrote: > http://my.unidata.ucar.edu/content/software/netcdf/docs/netcdf-c/nc_005f_005fenddef.html > The file format requires mod 4 alignment, so the align parameters are > silently rounded up to multiples of 4. The usual call, > > nc_enddef(ncid); > > is equivalent to > > nc_enddef(ncid, 0, 4, 0, 4); > > > > The single underbar in this final line should be a double underbar. Thus > it should be: > > nc__enddef(ncid, 0, 4, 0, 4); I fixed this in the source .texi file. I still have to remember or figure out how to generate the online HTML files from the .texi file. Thanks for reporting the problem. --Russ