knownArgument
ftp://ftp.de.debian.org/debian/pool/main/h/healpy/healpy_1.18.1.orig.tar.gz
head healpy-1.18.1/src/_healpy_sph_transform_lib.cc:923:56: style: Argument 'l,0' to function almalms is always 0. It does not matter what value 'l' has. [knownArgument]