text: " ConTeXt indent file
  " Language: ConTeXt typesetting engine
  " Maintainer: Nicola Vitacolonna <nvitacolonna@gmail.com>
  " Last Change:  2016 Oct 15
  
  if exists("b:did_indent")
    finish
  endif
  
  if !get(b:, 'context_metapost', get(g:, 'context_metapost', 1))
    finish
  endif
  
  " Load MetaPost indentation script
  runtime! indent/mp.vim
  
  let s:keepcpo= &cpo
  set cpo&vim
  
  setlocal indentexpr=GetConTeXtIndent()
  
  let b:undo_indent = "setl indentexpr<"
  
  function! GetConTeXtIndent()
    " Use MetaPost rules inside MetaPost graphic environments
    if len(synstack(v:lnum, 1)) > 0 &&
          \ synIDattr(synstack(v:lnum, 1)[0], "name") ==# 'contextMPGraphic'
      return GetMetaPostIndent()
    endif
    return -1
  endfunc
  
  let &cpo = s:keepcpo
  unlet s:keepcpo
  
  " vim:sw=2
  