On Saturday, August 22, 2015 at 4:04:57 PM UTC+2, Bram Moolenaar wrote:
> Björn Linse wrote:
> 
> > ":set all&" might change &encoding without reexecuting "mb_init()", if 
> > encoding was changed earlier from the locale default, leaving multibyte 
> > handling in inconsistent state.
> > 
> > To reproduce (assuming utf-8 locale):
> > vim -u NONE --cmd "set enc=latin1"
> > 
> > Inside vim, type ":set all&", now ":set enc" shows "utf-8", but vim still 
> > behaves as if enc=latin1, and by running inside gdb and "break mb_init", it 
> > is confirmed that mb_init wasn't reexecuted.
> > 
> > Earlier discussion: 
> > https://github.com/neovim/neovim/pull/2929#issuecomment-128849173
> 
> Thanks for reporting this.  I suppose the solution would not be
> difficult, just cal mb_init() in this situation.
> 
> -- 
> Sorry, no fortune today.
> 
>  /// Bram Moolenaar -- [email protected] -- http://www.Moolenaar.net   \\\
> ///        sponsor Vim, vote for features -- http://www.Vim.org/sponsor/ \\\
> \\\  an exciting new programming language -- http://www.Zimbu.org        ///
>  \\\            help me help AIDS victims -- http://ICCF-Holland.org    ///

Similar issue with laststatus. `:set ls=2` and then `set all&` now `set ls` 
gives 1 but vim still behaves as if `&ls=2`. Also, I think a redraw is missing 
(for nohlsearch, for instance)

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