DOC: Improve description of array scalar in glossary (#18965)
DOC: Improve description of array scalar in glossary (#18965)

Distinction of array scalars and 0-dimension arrays. See issue #17744.

Co-authored-by: Jasmin Classen <eeb3a68aa68fea1093eea9df6920178c4f069dc8@users.noreply.github.com>
pdebuyl/numpy,endolith/numpy,mhvk/numpy,simongibbons/numpy,jakirkham/numpy,charris/numpy,numpy/numpy,endolith/numpy,simongibbons/numpy,pdebuyl/numpy,simongibbons/numpy,jakirkham/numpy,numpy/numpy,mhvk/numpy,numpy/numpy,anntzer/numpy,mattip/numpy,jakirkham/numpy,rgommers/numpy,rgommers/numpy,mhvk/numpy,seberg/numpy,anntzer/numpy,simongibbons/numpy,pdebuyl/numpy,simongibbons/numpy,rgommers/numpy,jakirkham/numpy,seberg/numpy,pdebuyl/numpy,charris/numpy,mattip/numpy,mhvk/numpy,anntzer/numpy,mattip/numpy,mattip/numpy,seberg/numpy,rgommers/numpy,jakirkham/numpy,anntzer/numpy,seberg/numpy,charris/numpy,endolith/numpy,charris/numpy,endolith/numpy,numpy/numpy,mhvk/numpy