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Hello Vim developers,
1. In normal mode, an unmapped CTRL-C "Interrupt[s] current (search)
command." And it prints the "Type :quit<Enter> to exit Vim" message.
So when I
:nnoremap <C-c> <Nop>
The message is indeed gone, but commands like :sleep 30 are still
interrupted?! I would have expected such for :nnoremap <C-c> <C-c>,
but not for mapping to <Nop>.
2. In insert mode :h i_CTRL-C mentions "Does not trigger the InsertLeave
autocommand event." But with
:autocmd InsertLeave * echomsg localtime()
:inoremap <C-c> <C-c>
I observe the event being fired.
Background of this is that with the fixes in 7.4.569, one actually has
to :map <C-c> <C-c> (i.e. to itself) in order to use mappings that
_include_ <C-c> in the {lhs}. (Otherwise, as :h CTRL-W_CTRL-C rightfully
notes, the mapping would be aborted.) But I would like to keep the
original interrupting of <C-c> intact (in all modes).
In summary, I see the following two inconsistencies as (minor) bugs:
1. With :nnoremap <C-c> <Nop>, normal mode commands like 20gs and slow
searches should _not_ abort. But any mapping _to_ a {rhs} of <C-c>
should abort (which it currently doesn't). I'm not sure how useful
that would be, and it looks difficult to implement (as the CTRL-C
handling is lower-level than the mapping layer, right?)
2. With :inoremap <C-c> <C-c>, the InsertLeave event should _not_ be
fired. Could be just a simple condition that's missing there.
- -- regards, ingo
- --
-- Ingo Karkat -- /^-- /^-- /^-- /^-- /^-- http://ingo-karkat.de/ --
-- http://vim.sourceforge.net/account/profile.php?user_id=9713 --
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