bug#31765: 26.1; Can't define alias for git in eshell

[Carlos Pita]

By trial & error I came to the conclusion that the "juxtaposition"
case is not valid anymore. The example in the documentation:

     > For example, ll is a common alias for ls -l, and would be defined
     > with the command invocation ‘alias ll ls -l’; with this defined,
     > running ‘ll foo’ in Eshell will actually run ‘ls -l foo’.

plainly fails, it doesn't list foo but the current directory, foo is
simply ignored. The correct way seems to be:

     alias ll 'ls -l $*'

which is not documented (not even in the draft guide [1]).

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[1] 
https://www.gnu.org/software/emacs/draft/manual/html_node/eshell/Aliases.html#Aliases