Merge .vimrc from mri

.vimrc

@@ -1,17 +1,26 @@
-se nu
-se ai
-se ruler
-se sm
-se secure
-se exrc
-colorscheme hjp
-map!  >I<yypa/O
-se tw=72
-se sw=4
-se list
-se listchars=tab:»·,trail:·
-se modeline
-syntax on
-se comments=s1:/*,mb:*,ex:*/,://,b:#,:%,:XCOMM,n:>,fb:-,n:\|
+set ai
+" Disable (ab)use of X11 selection
+set clipboard=
+set comments=s1:/*,mb:*,ex:*/,://,b:#,:%,:XCOMM,n:>,fb:-,n:\|
 set expandtab
-se nojoinspaces
+set exrc
+set list
+set listchars=tab:»·,trail:·
+set modeline
+set nojoinspaces
+set nrformats=hex
+set nu
+set printoptions=paper:A4,formfeed:y,portrait:n,number:y,left:10mm,right:10mm
+set ruler
+set secure
+set sm
+set sw=4
+set tw=72
+colorscheme hjp
+syntax on
+map <F7> :cp
+map <F8> :cn
+map!  >I<yypa/O
+autocmd FileType perl let perl_fold=1
+autocmd FileType perl let perl_fold_blocks=1
+autocmd FileType perl syntax on