" An example for a vimrc file.
"
" Maintainer:   Bram Moolenaar <Bram@vim.org>
" Last change:  2001 Jul 18
"
" To use it, copy it to
"     for Unix and OS/2:  ~/.vimrc
"             for Amiga:  s:.vimrc
"  for MS-DOS and Win32:  $VIM\_vimrc
"           for OpenVMS:  sys$login:.vimrc

" By Andy Bennett, 19/8/2002, 20:26
" Do not process this file for versions of vim < 6.1
if version >= 601


" When started as "evim", evim.vim will already have done these settings.
if v:progname =~? "evim"
  finish
endif

" Use Vim settings, rather then Vi settings (much better!).
" This must be first, because it changes other options as a side effect.
set nocompatible

" allow backspacing over everything in insert mode
set backspace=indent,eol,start

set autoindent          " always set autoindenting on
if has("vms")
  set nobackup          " do not keep a backup file, use versions instead
else
  set backup            " keep a backup file
endif
set history=50          " keep 50 lines of command line history
set ruler               " show the cursor position all the time
set showcmd             " display incomplete commands
set incsearch           " do incremental searching

" For Win32 GUI: remove 't' flag from 'guioptions': no tearoff menu entries
" let &guioptions = substitute(&guioptions, "t", "", "g")

" Don't use Ex mode, use Q for formatting
map Q gq

" Make p in Visual mode replace the selected text with the "" register.
vnoremap p <Esc>:let current_reg = @"<CR>gvs<C-R>=current_reg<CR><Esc>

" This is an alternative that also works in block mode, but the deleted
" text is lost and it only works for putting the current register.
"vnoremap p "_dp

" Switch syntax highlighting on, when the terminal has colors
" Also switch on highlighting the last used search pattern.
if &t_Co > 2 || has("gui_running")
  syntax on
  set hlsearch
endif

" Only do this part when compiled with support for autocommands.
if has("autocmd")

  " Enable file type detection.
  " Use the default filetype settings, so that mail gets 'tw' set to 72,
  " 'cindent' is on in C files, etc.
  " Also load indent files, to automatically do language-dependent indenting.
  filetype plugin indent on

  " For all text files set 'textwidth' to 78 characters.
  autocmd FileType text setlocal textwidth=78

  " When editing a file, always jump to the last known cursor position.
  " Don't do it when the position is invalid or when inside an event handler
  " (happens when dropping a file on gvim).
  autocmd BufReadPost *
    \ if line("'\"") > 0 && line("'\"") <= line("$") |
    \   exe "normal g`\"" |
    \ endif

  " Be sure to reapply our colour scheme preferences after every time a colour
  " scheme is loaded.
  " From https://gist.github.com/romainl/379904f91fa40533175dfaec4c833f2f
  " Andy Bennett, 2020/01/03, 19:05
  function! MyHighlights() abort
          hi Comment term=bold ctermfg=grey guifg=grey gui=bold
  endfunction

  augroup MyColors
          autocmd!
          autocmd ColorScheme * call MyHighlights()
  augroup END

endif " has("autocmd")

" By Andy Bennett, 28/6/2002, 21:36
if &t_Co > 1
   syntax enable
endif


" By Andy Bennett, 19/8/2002, 20:32
" Do not process this file for versions of vim < 6.1
endif

" By Andy Bennett
" Processing for vim 5.0
if version == 500
  set nocompatible
  set autoindent
  set backup
  set history=50
  set ruler
  set showcmd
  set incsearch
  map Q gq
  vnoremap p <Esc>:let current_reg = @"<CR>gvs<C-R>=current_reg<CR><Esc>
  
  if &t_Co > 2 || has("gui_running")
   syntax on
   set hlsearch
  endif
  
  
endif

hi Comment term=bold ctermfg=grey guifg=grey gui=bold

" Andy Bennett, 28/12/2002, 21:31
hi Normal guibg=black
hi Normal guifg=white

" Andy Bennett, 23/12/2003, 21:23
set showmatch " Match braces / parentheses
"set tabstop=2
"set shiftwidth=2

" Andy Bennett, 29/6/2003, 22:35
set cindent " Auto indenting
set comments=sl:/*,mb:\ *,elx:\ */ " Auto comments

" Andy Bennett, 27/2/2005, 21:06. From Dave Jones (davej@redhat.com) on git
" mailing list.
highlight RedundantSpaces term=standout ctermbg=red guibg=red
match RedundantSpaces /\s\+$\| \+\ze\t/

" Andy Bennett, 4/10/2005, 10:30
set mouse=a

" Andy Bennett, 21/10/2005, 11:34
set wildmode=longest,list
" F2 inserts an li
imap <F2> <End><CR><li></li><ESC>hhhhi
map <F2> o<li></li><ESC>hhhhi
" fix indenting on current line & move to end
imap <S-Tab> <C-O>==<End>
map <S-Tab> ==
" Sort out a {} block
imap {} {<CR>}<C-O>O

" Andy Bennett, 8/11/2005, 14:31
" Search for tags up the directory tree.
set tags=tags;/
map t g<C-]>

" Andy Bennett 13/6/2006 16:32
" Set preview window height and make it stay the same when windows are opened
" and closed
set previewheight=5
set winfixheight
set noequalalways

" Preview the tag under the cursor if the cursor stays there for a little
" while
"au! CursorHold *.[ch] nested exe "silent! psearch " . expand("<cword>")
:au! CursorHold *.[ch] nested call PreviewWord()
  :func PreviewWord()
  :  if &previewwindow                  " don't do this in the preview window
  :    return
  :  endif
  :  let w = expand("<cword>")          " get the word under cursor
  :  if w =~ '\a'                       " if the word contains a letter
  :
  :    " Delete any existing highlight before showing another tag
  :    silent! wincmd P                 " jump to preview window
  :    if &previewwindow                        " if we really get there...
  :      match none                     " delete existing highlight
  :      wincmd p                       " back to old window
  :    endif
  :
  :    " Try displaying a matching tag for the word under the cursor
  :    try
  :       exe "ptag " . w
  :    catch
  :      return
  :    endtry
  :
  :    silent! wincmd P                 " jump to preview window
  :    if &previewwindow                " if we really get there...
  :      if has("folding")
  :        silent! .foldopen            " don't want a closed fold
  :      endif
  :      call search("$", "b")          " to end of previous line
  :      let w = substitute(w, '\\', '\\\\', "")
  :      call search('\<\V' . w . '\>') " position cursor on match
  :      " Add a match highlight to the word at this position
  :      hi previewWord term=bold ctermbg=green guibg=green
  :      exe 'match previewWord "\%' . line(".") . 'l\%' . col(".") . 'c\k*"'
  :      wincmd p                       " back to old window
  :    endif
  :  endif
  :endfun

" Andy Bennett 16/4/2008 11:38
" Case insensitive search if no capitals in search string
set ignorecase smartcase

" Andy Bennett 16/4/2008 11:38
" Switch on spell checking. z= to see options, zg to add to dict.
set spelllang=en_gb
set spellfile=~/.vim/spell.en.utf-8.add
"set spell

" Andy Bennett, 5/5/2009, 17:08
set linebreak

" Andy Bennett, 2011/11/15, 17:50
" Map [{ and [} to [( and [) respectively for scheme files so that things work
" the same as for C files. Also [{ is far easier to key than [(.
au FileType scheme,lisp,art  map [{ [(
au FileType scheme,lisp,art  map [} [)

" Andy Bennett, 2013/05/29, 10:05
" set tw=76 " use gq to reflow selected text.
" Highlight all characters past 76 columns:
"augroup vimrc_autocmds
"  autocmd BufEnter * highlight OverLength ctermbg=darkgrey guibg=#592929
"  autocmd BufEnter * match OverLength /\%76v.*/
"augroup END

" Andy Bennett, 2014/04/17 12:27
" Based on a list by fIorz in #chicken
set lispwords+=define-class,define-method,match,and-let*,let-values,let*-values,match-let*,match-let,let-location,if-let,if-let*
" 2018/07/12
set lispwords+=define-in-transaction,lambda-in-transaction
" 2019/01/05
set lispwords+=sequence*
" 2019/01/22
set lispwords+=lambda-in-savepoint
" 2019/01/31
set lispwords+=parameterize

" 2019/02/07
au FileType scheme,lisp,art  set nocindent
set lispwords+=syntax-rules

" 2019/06/27
set lispwords+=define-for-syntax,begin-for-syntax