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I have the same vimrc file for both Windows and Ubuntu environments. It works fine on both platforms, except for one difference. The line:

nmap <C-[> <C-t>

is working fine on Windows, but on Ubuntu (14.04.2 64 bit) as soon as vim loads it puts me into replace mode and says "at bottom of tag stack", as if it's running the command immediately instead of just performing the mapping. I have other nmap lines before/after this one which don't cause any problems.

I'm on the latest vim on both platforms; on Ubuntu I'm using vim-gnome(huge build).

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  • 2
    This Ingo's answer might be relevant and not really a good news for you.
    – statox
    Jul 10, 2015 at 9:43
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    <C-[> is the same as <ESC> on UNIX. Just choose another key combination.
    – lcd047
    Jul 10, 2015 at 10:04
  • I wouldn't say this is a duplicate as I was not aware I was tampering with the definition of escape and don't wish to change it. Essentially my question has two parts; the inability to map the key, which I know understand, and why it dumps me into replace mode.
    – user859
    Jul 11, 2015 at 13:59
  • The <Esc> or <C-]> sequence is called during startup, for sending information to the terminal. Remapping <C-[> is something that should be an error when running in a terminal, IMHO. Jul 20, 2015 at 14:45

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