Mercurial > vim
diff runtime/doc/map.txt @ 22565:17c4178f26ea
Update runtime files.
Commit: https://github.com/vim/vim/commit/4f4d51a942cc2c6b3e936ee0f93f00c2d000065c
Author: Bram Moolenaar <Bram@vim.org>
Date: Sun Oct 11 13:57:40 2020 +0200
Update runtime files.
| author | Bram Moolenaar <Bram@vim.org> |
|---|---|
| date | Sun, 11 Oct 2020 14:00:05 +0200 |
| parents | 6325ef9143bc |
| children | 6d50182e7e24 |
line wrap: on
line diff
--- a/runtime/doc/map.txt +++ b/runtime/doc/map.txt @@ -1,4 +1,4 @@ -*map.txt* For Vim version 8.2. Last change: 2020 Sep 09 +*map.txt* For Vim version 8.2. Last change: 2020 Oct 07 VIM REFERENCE MANUAL by Bram Moolenaar @@ -252,6 +252,17 @@ For abbreviations |v:char| is set to the the abbreviation. You can use this to decide how to expand the {lhs}. You should not either insert or change the v:char. +In case you want the mapping to not do anything, you can have the expression +evaluate to an empty string. If something changed that requires Vim to +go through the main loop (e.g. to update the display), return "\<Ignore>". +This is similar to "nothing" but makes Vim return from the loop that waits for +input. Example: > + func s:OpenPopup() + call popup_create(... arguments ...) + return "\<Ignore>" + endfunc + nnoremap <expr> <F3> <Sid>OpenPopup() + Be very careful about side effects! The expression is evaluated while obtaining characters, you may very well make the command dysfunctional. For this reason the following is blocked: