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Conditionally unmapping mappings #80

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Conditionally unmapping mappings #80

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10 changes: 6 additions & 4 deletions ftplugin/racket.vim
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Original file line number Diff line number Diff line change
Expand Up @@ -41,7 +41,8 @@ setl makeprg=raco\ make\ --\ %
" "press ENTER or type a command to continue"
" We avoid the annoyance of having to hit enter by remapping K directly.
nnoremap <buffer> <Plug>RacketDoc :silent !raco docs <cword><cr>:redraw!<cr>
if maparg("K", "n") == ""
let b:nmapped_K = maparg("K", "n") == ""
if b:nmapped_K
nmap <buffer> K <Plug>RacketDoc
endif

Expand All @@ -60,7 +61,8 @@ function! s:Racket_visual_doc()
endfunction

vnoremap <buffer> <Plug>RacketDoc :call <SID>Racket_visual_doc()<cr>
if maparg("K", "v") == ""
let b:vmapped_K = maparg("K", "v") == ""
if b:vmapped_K
vmap <buffer> K <Plug>RacketDoc
endif

Expand All @@ -77,6 +79,6 @@ endif
let b:undo_ftplugin =
\ "setl iskeyword< lispwords< lisp< comments< formatoptions<"
\. "| setl makeprg< commentstring<"
\. "| nunmap <buffer> K"
\. "| vunmap <buffer> K"
\. (b:nmapped_K ? "| nunmap <buffer> K" : "")
\. (b:vmapped_K ? "| vunmap <buffer> K" : "")
\. "| unlet! b:browsefilter"