/usr/share/vim/vim80/ftplugin/scheme.vim is in vim-runtime 2:8.0.1453-1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 | " Vim filetype plugin
" Language: Scheme
" Maintainer: Sergey Khorev <sergey.khorev@gmail.com>
" URL: http://sites.google.com/site/khorser/opensource/vim
" Original author: Dorai Sitaram <ds26@gte.com>
" Original URL: http://www.ccs.neu.edu/~dorai/vimplugins/vimplugins.html
" Last Change: Oct 23, 2013
" Only do this when not done yet for this buffer
if exists("b:did_ftplugin")
finish
endif
" Don't load another plugin for this buffer
let b:did_ftplugin = 1
" Copy-paste from ftplugin/lisp.vim
setl comments=:;
setl define=^\\s*(def\\k*
setl formatoptions-=t
setl iskeyword+=+,-,*,/,%,<,=,>,:,$,?,!,@-@,94
setl lisp
setl commentstring=;%s
setl comments^=:;;;,:;;,sr:#\|,mb:\|,ex:\|#
" Scheme-specific settings
if exists("b:is_mzscheme") || exists("is_mzscheme")
" improve indenting
setl iskeyword+=#,%,^
setl lispwords+=module,parameterize,let-values,let*-values,letrec-values
setl lispwords+=define-values,opt-lambda,case-lambda,syntax-rules,with-syntax,syntax-case
setl lispwords+=define-signature,unit,unit/sig,compund-unit/sig,define-values/invoke-unit/sig
endif
if exists("b:is_chicken") || exists("is_chicken")
" improve indenting
setl iskeyword+=#,%,^
setl lispwords+=let-optionals,let-optionals*,declare
setl lispwords+=let-values,let*-values,letrec-values
setl lispwords+=define-values,opt-lambda,case-lambda,syntax-rules,with-syntax,syntax-case
setl lispwords+=cond-expand,and-let*,foreign-lambda,foreign-lambda*
endif
let b:undo_ftplugin = "setlocal comments< define< formatoptions< iskeyword< lispwords< lisp< commentstring<"
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