+" language-specific settings
+autocmd FileType python setlocal shiftwidth=4 softtabstop=4 tabstop=4
+
+" Allow backspacing over everything in insert mode.
+set backspace=indent,eol,start
+
+"Highlight bad spacing.
+highlight BadSpacing term=standout ctermbg=cyan
+augroup Spacing
+ autocmd!
+ " Highlight tabulators and trailing spaces
+ autocmd BufNewFile,BufReadPre * match BadSpacing /\(\t\| *$\)/
+ " Only highlight trailing space in tab-filled formats
+ autocmd FileType help,make match BadSpacing / *$/
+augroup END
+