Christian Brabandt wrote:
> > > On Mi, 03 Okt 2012, Bram Moolenaar wrote:
> > >
> > > >
> > > > Christian Brabandt wrote:
> > > >
> > > > > On Mon, October 1, 2012 13:16, Marcin Szamotulski wrote:
> > > > > > On 09:20 Sun 23 Sep , Marcin Szamotulski wrote:
> > > > > >> Hello
> > > > > >>
> > > > > >> The c_CTRL-\_e (<C-\>e) maps inside expression register are not
> > > > > >> working.
> > > > > >> There is a very nice emacscommandline
> > > > > >> (http://www.vim.org/scripts/script.php?script_id=3554)
> > > > > >> plugin which defines lots of nice maps in this way, but then when
> > > > > >> one
> > > > > >> tries to write to expression register one gets errors. The minimal
> > > > > >> setup
> > > > > >> to reproduce this is:
> > > > > >>
> > > > > >> fun X()
> > > > > >> return 'echo "X"'
> > > > > >> endfun
> > > > > >> cnoremap X <C-\>eX()<CR>
> > > > > >>
> > > > > >> Now please try in insert mode:
> > > > > >> <c-r>=X
> > > > > >> and after pressing X I get the following error:
> > > > > >> E15: invalid expression: ^eX()
> > > > > >> E15: invalid expression: ^eX()
> > > > > >>
> > > > > >> I got it twice. I think it would be nice to have the <C-\>e maps
> > > > > >> working inside expression register (and in this case it would be
> > > > > >> nice of
> > > > > >> vim script knew it, for example through including the '=' into to
> > > > > >> getcmdline()) or to disable the <C-\>e maps inside the expression
> > > > > >> register.
> > > > > >>
> > > > > >> Best regards,
> > > > > >> Marcin
> > > > > >
> > > > > > In case somebody will stumble across this post, the solution that
> > > > > > I found for this is to define another map:
> > > > > > cnoremap <C-b> <C-R>
> > > > > > etc ... . It will not trigger the emacscommand line maps. One just
> > > > > > has
> > > > > > to remember to not to use <C-W> while entering things into the
> > > > > > expression register (which is used rarely, so there is not much
> > > > > > opportunity to learn it, and lots of chances to forget it ;)
> > > > > >
> > > > > > But this is far from perfect.
> > > > >
> > > > > Would it be enough to simply disallow mappings in expression
> > > > > evalution mode?
> > > >
> > > > Would this not stop other mappings from working, e.g.:
> > > >
> > > > cnoremap <C-Y> yank()
> > >
> > > Yes, in Expression evaluation mode (i.e. when doing <c-r>=)
> >
> > Well, that's not nice, users should be able to type the expression with
> > their favorite mappings.
>
> Okay, this seems to fix it:
Thanks. Thus this fixes the reported problem without side effects?
--
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[real standing law in North Dakota, United States of America]
/// Bram Moolenaar -- [email protected] -- http://www.Moolenaar.net \\\
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