Re: How to nmap to a literal curly brace?

On Wed, Oct 7, 2015 at 6:39 AM, Kenneth Reid Beesley
<krbeesley@gmail.com> wrote:
> I want to edit a LaTeX source file, using (g)vim and suitable names, to add \index{…} commands.
>
> In particular, I want to be able to position the cursor anywhere on a word
> or selection to be indexed, and then type something like \ind
> to add an \index{…} command to the text, where … is the current word.
>
> For example, if the text is
>
> The dog has a bone.
>
> and (in normal mode) I position the cursor on "dog", and type \ind, I want the text to become
>
> The dog\index{dog} has a bone.
>
> If I then proceed to place the cursor on "bone" and type \ind, the text would become
>
> The dog\index{dog} has a bone\index{bone}.
>
> *****
>
> I've tried things like this (in my .gvimrc file)
>
> nmap <Bslash>ind yiwea\index{Pa}<ESC>
>
> i.e.,
>
> yiw yank the internal word (current word) to the default buffer
> e move the cursor to the end of the word
> a go into insert mode
>
> insert literal "\index{" (SOMETHING IS GOING WRONG AT THIS STEP)
>
> <ESC> escape to normal mode
> P print the buffer contents
> a go into insert mode
> insert literal "}"
> <ESC> escape to normal mode
>
> But when I place the cursor on "dog" and invoke the command, I get
>
> The dog\indexdog}{ has a bone.
>
> The left curly brace is appearing after the right curly brace.
> Where am I going wrong?
>
> Thanks,
>
> Ken


Maybe your curly braces are mapped to something?

Make sure your cursor is in a LaTex source file, then
:map! {
:map! }

If the braces don't appear correctly even here, you may use
Ctrl-V x 7b
for the opening brace, and
Ctrl-V x 7d
for the closing brace (with no spaces; and if your Ctrl-V is mapped to
the paste operation, use Ctrl-Q instead).

These ^Vx codes can be used also in Insert mode (not only in
Command-line mode), to enter characters by hex value while
disregarding mappings up to 0xFF (for higher codepoints, and if
'encoding' is UTF-8, ^Vu followed by 1 to 4 hex digits can be used up
to U+FFFF, or ^VU followed by 1 to 8 hex digits for the whole Unicode
range even outside the BMP: Vim accepts up to ^VU7FFFFFFF but the
Unicode Consortium has decided that nothing above U+10FFFD will ever
be a valid codepoint).

see
:h map-listing
:h i_CTRL-V_digit


Best regards,
Tony.

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