How to substitute text with combining characters?

For text `é,e` (\x65 \u0301 \x2c \x65):

If I use `:s/\Ze/x/g`, I get `x,x`. How to get `x́,x`?

If I use `:s/́/̂/g` (substitue \u0301 with \u0302), I get ̂`,e`. How to get `ê,e`?

Is this a bug or not?

--
--
You received this message from the "vim_use" maillist.
Do not top-post! Type your reply below the text you are replying to.
For more information, visit http://www.vim.org/maillist.php

---
You received this message because you are subscribed to the Google Groups "vim_use" group.
To unsubscribe from this group and stop receiving emails from it, send an email to vim_use+unsubscribe@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.