diff options
Diffstat (limited to 'runtime/doc/map.txt')
| -rw-r--r-- | runtime/doc/map.txt | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/runtime/doc/map.txt b/runtime/doc/map.txt index 47e706bc2..13b2c2efc 100644 --- a/runtime/doc/map.txt +++ b/runtime/doc/map.txt @@ -1,4 +1,4 @@ -*map.txt* For Vim version 8.2. Last change: 2021 Mar 17 +*map.txt* For Vim version 8.2. Last change: 2021 Apr 23 VIM REFERENCE MANUAL by Bram Moolenaar @@ -244,9 +244,12 @@ have a look at |maparg()|. If the first argument to one of these commands is "<expr>" and it is used to define a new mapping or abbreviation, the argument is an expression. The expression is evaluated to obtain the {rhs} that is used. Example: > - :inoremap <expr> . InsertDot() -The result of the InsertDot() function will be inserted. It could check the + :inoremap <expr> . <SID>InsertDot() +The result of the s:InsertDot() function will be inserted. It could check the text before the cursor and start omni completion when some condition is met. +Using a script-local function is preferred, to avoid polluting the global +namespace. Use <SID> in the RHS so that the script that the mapping was +defined in can be found. For abbreviations |v:char| is set to the character that was typed to trigger the abbreviation. You can use this to decide how to expand the {lhs}. You @@ -261,7 +264,7 @@ input. Example: > call popup_create(... arguments ...) return "\<Ignore>" endfunc - nnoremap <expr> <F3> <Sid>OpenPopup() + nnoremap <expr> <F3> <SID>OpenPopup() Also, keep in mind that the expression may be evaluated when looking for typeahead, before the previous command has been executed. For example: > |