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I was trying to make a mapping to run a command that takes a count, something like the following:
nnoremap gb :execute('buffer ' . v:count)<CR>
When I run the mapping, I see the following error:
E481, No range allowed
After checking this post, I find it is because vim will insert a range automatically if we press a number before pressing colon : to enter command line.
Is there documentation on this behavior? Can I disable it by default?
I’m not sure about documentation, but this can be useful to say 5:normal! Somecommands, or some such (I don’t use it often, but I can imagine a situation in which it’s easier than typing the corresponding range myself).
As for disabling it, use the old visual-mapping trick:
nnoremap gb :<C-u>...
Ctrl-U trick is neat and solves the problem.