:map command should give an error if given extraneous unused argument

[sebastinas]

On GitLab by @user202729 on Sep 27, 2023, 04:14

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As far as I can see, if I write

:map <F7> set highlight-transparency 1

then the highlight-transparency is considered the optional argument for :set shortcut function, and the 1 is silently dropped.

I suggest raising an error if there's an extraneous argument instead.

(or maybe do something useful with it? For example it's possible to implement :map <F7> set "highlight-transparency 1" | focus_inputbar / to map one key to execute two shortcut functions?)