Previously, cinoptions attempted to use 1 shiftwidth for line
continuations except for if/while/switch and related lines, where two
sw's were used. However, looking at code in the various libraries, it
appears that more commonly the line continuation is 2 sw's in all cases.
set softtabstop=2 shiftwidth=2 expandtab
" cinoptions for code formatting
-set cino=t0,(s,U1,k2s
+set cinoptions=t0,us,U1,k2s
" File type specific settings.
if has("autocmd")