Add binary plist support

.vimrc

@@ -559,6 +559,35 @@ if has("autocmd")
     catch
     endtry
   augroup END
+  augroup plist
+    autocmd BufReadPre,FileReadPre *.plist set binary
+    fun MyBinaryPlistReadPost()
+      if getline("'[") =~ "^bplist"
+        '[,']!plutil -convert xml1 /dev/stdin -o /dev/stdout
+        let b:saveAsBinaryPlist = 1
+      endif
+      set nobinary
+      filetype detect
+    endfun
+    autocmd BufReadPost *.plist call MyBinaryPlistReadPost()
+    autocmd FileReadPost *.plist call MyBinaryPlistReadPost() | let b:saveAsBinaryPlist = 0
+
+    fun MyBinaryPlistWritePre()
+      if exists("b:saveAsBinaryPlist") && b:saveAsBinaryPlist
+        set binary
+        silent '[,']!plutil -convert binary1 /dev/stdin -o /dev/stdout
+        if v:shell_error | undo | set nobinary | endif
+      endif
+    endfun
+    autocmd BufWritePre,FileWritePre *.plist call MyBinaryPlistWritePre()
+    fun MyBinaryPlistWritePost()
+      if exists("b:saveAsBinaryPlist") && b:saveAsBinaryPlist && !v:shell_error
+        undo
+        set nobinary
+      endif
+    endfun
+    autocmd BufWritePost,FileWritePost *.plist call MyBinaryPlistWritePost()
+  augroup END
 endif